fix: gcs tier going offline due to customer HTTPclient (#19973 )

specifying customer HTTP client makes the gcs SDK ignore the passed credentials, instead let the GCS SDK manage the transport. this PR fixes #19922 a regression from #19565
bootstrap: Speed up bucket metadata loading (#19969 )
2026-10-19 16:06:10 +03:00 · 2024-06-21 22:26:45 -07:00 · 2024-06-21 15:22:24 -07:00 · 2024-06-21 12:06:51 -07:00 · 2024-06-21 07:49:49 -07:00 · 2024-06-20 17:58:58 -07:00
367 changed files with 12779 additions and 4317 deletions
@@ -4,7 +4,6 @@ on:
  pull_request:
    branches:
      - master
-      - next

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
@@ -3,8 +3,7 @@ name: FIPS Build Test
 on:
  pull_request:
    branches:
-    - master
-    - next
+      - master

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
@@ -3,8 +3,7 @@ name: Healing Functional Tests
 on:
  pull_request:
    branches:
-    - master
-    - next
+      - master

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
@@ -3,12 +3,11 @@ name: Linters and Tests
 on:
  pull_request:
    branches:
-    - master
-    - next
+      - master

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
-concurrency: 
+concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref }}
  cancel-in-progress: true

@@ -22,7 +21,7 @@ jobs:
    strategy:
      matrix:
        go-version: [1.22.x]
-        os: [ubuntu-latest, windows-latest]
+        os: [ubuntu-latest, Windows]
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
@@ -30,14 +29,15 @@ jobs:
          go-version: ${{ matrix.go-version }}
          check-latest: true
      - name: Build on ${{ matrix.os }}
-        if: matrix.os == 'windows-latest'
+        if: matrix.os == 'Windows'
        env:
          CGO_ENABLED: 0
          GO111MODULE: on
        run: |
+          Set-MpPreference -DisableRealtimeMonitoring $true
          netsh int ipv4 set dynamicport tcp start=60000 num=61000
          go build --ldflags="-s -w" -o %GOPATH%\bin\minio.exe
-          go test -v --timeout 50m ./...
+          go test -v --timeout 120m ./...
      - name: Build on ${{ matrix.os }}
        if: matrix.os == 'ubuntu-latest'
        env:
@@ -3,8 +3,7 @@ name: Functional Tests
 on:
  pull_request:
    branches:
-    - master
-    - next
+      - master

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
@@ -3,8 +3,7 @@ name: Helm Chart linting
 on:
  pull_request:
    branches:
-    - master
-    - next
+      - master

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
@@ -23,7 +22,7 @@ jobs:
        uses: actions/checkout@v4

      - name: Install Helm
-        uses: azure/setup-helm@v3
+        uses: azure/setup-helm@v4

      - name: Run helm lint
        run: |
@@ -4,7 +4,6 @@ on:
  pull_request:
    branches:
      - master
-      - next

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
@@ -4,7 +4,6 @@ on:
  pull_request:
    branches:
      - master
-      - next

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
@@ -56,6 +55,11 @@ jobs:
        run: |
          ${GITHUB_WORKSPACE}/.github/workflows/run-mint.sh "erasure" "minio" "minio123" "${{ steps.vars.outputs.sha_short }}"

+      # FIXME: renable this back when we have a valid way to add deadlines for PUT()s (internode CreateFile)
+      # - name: resiliency
+      #   run: |
+      #     ${GITHUB_WORKSPACE}/.github/workflows/run-mint.sh "resiliency" "minio" "minio123" "${{ steps.vars.outputs.sha_short }}"
+
      - name: The job must cleanup
        if: ${{ always() }}
        run: |
@@ -0,0 +1,78 @@
+version: '3.7'
+
+# Settings and configurations that are common for all containers
+x-minio-common: &minio-common
+  image: quay.io/minio/minio:${JOB_NAME}
+  command: server --console-address ":9001" http://minio{1...4}/rdata{1...2}
+  expose:
+    - "9000"
+    - "9001"
+  environment:
+    MINIO_CI_CD: "on"
+    MINIO_ROOT_USER: "minio"
+    MINIO_ROOT_PASSWORD: "minio123"
+    MINIO_KMS_SECRET_KEY: "my-minio-key:OSMM+vkKUTCvQs9YL/CVMIMt43HFhkUpqJxTmGl6rYw="
+    MINIO_DRIVE_MAX_TIMEOUT: "5s"
+  healthcheck:
+    test: ["CMD", "mc", "ready", "local"]
+    interval: 5s
+    timeout: 5s
+    retries: 5
+
+# starts 4 docker containers running minio server instances.
+# using nginx reverse proxy, load balancing, you can access
+# it through port 9000.
+services:
+  minio1:
+    <<: *minio-common
+    hostname: minio1
+    volumes:
+      - rdata1-1:/rdata1
+      - rdata1-2:/rdata2
+
+  minio2:
+    <<: *minio-common
+    hostname: minio2
+    volumes:
+      - rdata2-1:/rdata1
+      - rdata2-2:/rdata2
+
+  minio3:
+    <<: *minio-common
+    hostname: minio3
+    volumes:
+      - rdata3-1:/rdata1
+      - rdata3-2:/rdata2
+
+  minio4:
+    <<: *minio-common
+    hostname: minio4
+    volumes:
+      - rdata4-1:/rdata1
+      - rdata4-2:/rdata2
+
+  nginx:
+    image: nginx:1.19.2-alpine
+    hostname: nginx
+    volumes:
+      - ./nginx-4-node.conf:/etc/nginx/nginx.conf:ro
+    ports:
+      - "9000:9000"
+      - "9001:9001"
+    depends_on:
+      - minio1
+      - minio2
+      - minio3
+      - minio4
+
+## By default this config uses default local driver,
+## For custom volumes replace with volume driver configuration.
+volumes:
+  rdata1-1:
+  rdata1-2:
+  rdata2-1:
+  rdata2-2:
+  rdata3-1:
+  rdata3-2:
+  rdata4-1:
+  rdata4-2:
@@ -23,10 +23,9 @@ http {
    # include /etc/nginx/conf.d/*.conf;

    upstream minio {
-        server minio1:9000;
-        server minio2:9000;
-        server minio3:9000;
-        server minio4:9000;
+        server minio1:9000 max_fails=1 fail_timeout=10s;
+        server minio2:9000 max_fails=1 fail_timeout=10s;
+        server minio3:9000 max_fails=1 fail_timeout=10s;
    }

    upstream console {
@@ -23,14 +23,14 @@ http {
    # include /etc/nginx/conf.d/*.conf;

    upstream minio {
-        server minio1:9000;
-        server minio2:9000;
-        server minio3:9000;
-        server minio4:9000;
-        server minio5:9000;
-        server minio6:9000;
-        server minio7:9000;
-        server minio8:9000;
+        server minio1:9000 max_fails=1 fail_timeout=10s;
+        server minio2:9000 max_fails=1 fail_timeout=10s;
+        server minio3:9000 max_fails=1 fail_timeout=10s;
+        server minio4:9000 max_fails=1 fail_timeout=10s;
+        server minio5:9000 max_fails=1 fail_timeout=10s;
+        server minio6:9000 max_fails=1 fail_timeout=10s;
+        server minio7:9000 max_fails=1 fail_timeout=10s;
+        server minio8:9000 max_fails=1 fail_timeout=10s;
    }

    upstream console {
@@ -23,10 +23,10 @@ http {
    # include /etc/nginx/conf.d/*.conf;

    upstream minio {
-        server minio1:9000;
-        server minio2:9000;
-        server minio3:9000;
-        server minio4:9000;
+        server minio1:9000 max_fails=1 fail_timeout=10s;
+        server minio2:9000 max_fails=1 fail_timeout=10s;
+        server minio3:9000 max_fails=1 fail_timeout=10s;
+        server minio4:9000 max_fails=1 fail_timeout=10s;
    }

    upstream console {
@@ -24,8 +24,6 @@ if [ ! -f ./mc ]; then
 		chmod +x mc
 fi

-go install -v github.com/minio/minio/docs/debugging/s3-check-md5@latest
-
 export RELEASE=RELEASE.2023-08-29T23-07-35Z

 docker-compose -f docker-compose-site1.yaml up -d
@@ -45,10 +43,10 @@ sleep 30s

 sleep 5

-s3-check-md5 -h
+./s3-check-md5 -h

-failed_count_site1=$(s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site1-nginx:9001 -bucket testbucket 2>&1 | grep FAILED | wc -l)
-failed_count_site2=$(s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site2-nginx:9002 -bucket testbucket 2>&1 | grep FAILED | wc -l)
+failed_count_site1=$(./s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site1-nginx:9001 -bucket testbucket 2>&1 | grep FAILED | wc -l)
+failed_count_site2=$(./s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site2-nginx:9002 -bucket testbucket 2>&1 | grep FAILED | wc -l)

 if [ $failed_count_site1 -ne 0 ]; then
 	echo "failed with multipart on site1 uploads"
@@ -64,8 +62,8 @@ fi

 sleep 5

-failed_count_site1=$(s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site1-nginx:9001 -bucket testbucket 2>&1 | grep FAILED | wc -l)
-failed_count_site2=$(s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site2-nginx:9002 -bucket testbucket 2>&1 | grep FAILED | wc -l)
+failed_count_site1=$(./s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site1-nginx:9001 -bucket testbucket 2>&1 | grep FAILED | wc -l)
+failed_count_site2=$(./s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site2-nginx:9002 -bucket testbucket 2>&1 | grep FAILED | wc -l)

 ## we do not need to fail here, since we are going to test
 ## upgrading to master, healing and being able to recover
@@ -93,8 +91,8 @@ for i in $(seq 1 10); do
 	./mc admin heal -r --remove --json site2/ 2>&1 >/dev/null
 done

-failed_count_site1=$(s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site1-nginx:9001 -bucket testbucket 2>&1 | grep FAILED | wc -l)
-failed_count_site2=$(s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site2-nginx:9002 -bucket testbucket 2>&1 | grep FAILED | wc -l)
+failed_count_site1=$(./s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site1-nginx:9001 -bucket testbucket 2>&1 | grep FAILED | wc -l)
+failed_count_site2=$(./s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site2-nginx:9002 -bucket testbucket 2>&1 | grep FAILED | wc -l)

 if [ $failed_count_site1 -ne 0 ]; then
 	echo "failed with multipart on site1 uploads"
@@ -3,8 +3,7 @@ name: MinIO advanced tests
 on:
  pull_request:
    branches:
-    - master
-    - next
+      - master

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
@@ -42,6 +41,12 @@ jobs:
          sudo sysctl net.ipv6.conf.default.disable_ipv6=0
          make test-ilm

+      - name: Test PBAC
+        run: |
+          sudo sysctl net.ipv6.conf.all.disable_ipv6=0
+          sudo sysctl net.ipv6.conf.default.disable_ipv6=0
+          make test-pbac
+
      - name: Test Config File
        run: |
          sudo sysctl net.ipv6.conf.all.disable_ipv6=0
@@ -3,8 +3,7 @@ name: Root lockdown tests
 on:
  pull_request:
    branches:
-    - master
-    - next
+      - master

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
@@ -16,7 +16,7 @@ docker volume rm $(docker volume ls -f dangling=true) || true
 cd .github/workflows/mint

 docker-compose -f minio-${MODE}.yaml up -d
-sleep 30s
+sleep 1m

 docker system prune -f || true
 docker volume prune -f || true
@@ -26,6 +26,9 @@ docker volume rm $(docker volume ls -q -f dangling=true) || true
 [ "${MODE}" == "pools" ] && docker-compose -f minio-${MODE}.yaml stop minio2
 [ "${MODE}" == "pools" ] && docker-compose -f minio-${MODE}.yaml stop minio6

+# Pause one node, to check that all S3 calls work while one node goes wrong
+[ "${MODE}" == "resiliency" ] && docker-compose -f minio-${MODE}.yaml pause minio4
+
 docker run --rm --net=mint_default \
 	--name="mint-${MODE}-${JOB_NAME}" \
 	-e SERVER_ENDPOINT="nginx:9000" \
@@ -35,6 +38,18 @@ docker run --rm --net=mint_default \
 	-e MINT_MODE="${MINT_MODE}" \
 	docker.io/minio/mint:edge

+# FIXME: enable this after fixing aws-sdk-java-v2 tests
+# # unpause the node, to check that all S3 calls work while one node goes wrong
+# [ "${MODE}" == "resiliency" ] && docker-compose -f minio-${MODE}.yaml unpause minio4
+# [ "${MODE}" == "resiliency" ] && docker run --rm --net=mint_default \
+# 	--name="mint-${MODE}-${JOB_NAME}" \
+# 	-e SERVER_ENDPOINT="nginx:9000" \
+# 	-e ACCESS_KEY="${ACCESS_KEY}" \
+# 	-e SECRET_KEY="${SECRET_KEY}" \
+# 	-e ENABLE_HTTPS=0 \
+# 	-e MINT_MODE="${MINT_MODE}" \
+# 	docker.io/minio/mint:edge
+
 docker-compose -f minio-${MODE}.yaml down || true
 sleep 10s

@@ -3,8 +3,7 @@ name: Shell formatting checks
 on:
  pull_request:
    branches:
-    - master
-    - next
+      - master

 permissions:
  contents: read
@@ -3,8 +3,7 @@ name: Upgrade old version tests
 on:
  pull_request:
    branches:
-    - master
-    - next
+      - master

 # This ensures that previous jobs for the PR are canceled when the PR is
 # updated.
@@ -21,7 +21,7 @@ jobs:
      - name: Set up Go
        uses: actions/setup-go@v5
        with:
-          go-version: 1.22.3
+          go-version: 1.22.4
          check-latest: true
      - name: Get official govulncheck
        run: go install golang.org/x/vuln/cmd/govulncheck@latest
@@ -43,4 +43,13 @@ docs/debugging/inspect/inspect
 docs/debugging/pprofgoparser/pprofgoparser
 docs/debugging/reorder-disks/reorder-disks
 docs/debugging/populate-hard-links/populate-hardlinks
-docs/debugging/xattr/xattr
+docs/debugging/xattr/xattr
+hash-set
+healing-bin
+inspect
+pprofgoparser
+reorder-disks
+s3-check-md5
+s3-verify
+xattr
+xl-meta
@@ -45,9 +45,9 @@ lint-fix: getdeps ## runs golangci-lint suite of linters with automatic fixes
 	@$(GOLANGCI) run --build-tags kqueue --timeout=10m --config ./.golangci.yml --fix

 check: test
-test: verifiers build build-debugging ## builds minio, runs linters, tests
+test: verifiers build ## builds minio, runs linters, tests
 	@echo "Running unit tests"
-	@MINIO_API_REQUESTS_MAX=10000 CGO_ENABLED=0 go test -v -tags kqueue ./...
+	@MINIO_API_REQUESTS_MAX=10000 CGO_ENABLED=0 go test -v -tags kqueue,dev ./...

 test-root-disable: install-race
 	@echo "Running minio root lockdown tests"
@@ -57,12 +57,17 @@ test-ilm: install-race
 	@echo "Running ILM tests"
 	@env bash $(PWD)/docs/bucket/replication/setup_ilm_expiry_replication.sh

+test-pbac: install-race
+	@echo "Running bucket policies tests"
+	@env bash $(PWD)/docs/iam/policies/pbac-tests.sh
+
 test-decom: install-race
 	@echo "Running minio decom tests"
 	@env bash $(PWD)/docs/distributed/decom.sh
 	@env bash $(PWD)/docs/distributed/decom-encrypted.sh
 	@env bash $(PWD)/docs/distributed/decom-encrypted-sse-s3.sh
 	@env bash $(PWD)/docs/distributed/decom-compressed-sse-s3.sh
+	@env bash $(PWD)/docs/distributed/decom-encrypted-kes.sh

 test-versioning: install-race
 	@echo "Running minio versioning tests"
@@ -79,13 +84,13 @@ test-race: verifiers build ## builds minio, runs linters, tests (race)
 	@echo "Running unit tests under -race"
 	@(env bash $(PWD)/buildscripts/race.sh)

-test-iam: build ## verify IAM (external IDP, etcd backends)
+test-iam: install-race ## verify IAM (external IDP, etcd backends)
 	@echo "Running tests for IAM (external IDP, etcd backends)"
-	@MINIO_API_REQUESTS_MAX=10000 CGO_ENABLED=0 go test -tags kqueue -v -run TestIAM* ./cmd
+	@MINIO_API_REQUESTS_MAX=10000 CGO_ENABLED=0 go test -tags kqueue,dev -v -run TestIAM* ./cmd
 	@echo "Running tests for IAM (external IDP, etcd backends) with -race"
-	@MINIO_API_REQUESTS_MAX=10000 GORACE=history_size=7 CGO_ENABLED=1 go test -race -tags kqueue -v -run TestIAM* ./cmd
+	@MINIO_API_REQUESTS_MAX=10000 GORACE=history_size=7 CGO_ENABLED=1 go test -race -tags kqueue,dev -v -run TestIAM* ./cmd

-test-iam-ldap-upgrade-import: build ## verify IAM (external LDAP IDP)
+test-iam-ldap-upgrade-import: install-race ## verify IAM (external LDAP IDP)
 	@echo "Running upgrade tests for IAM (LDAP backend)"
 	@env bash $(PWD)/buildscripts/minio-iam-ldap-upgrade-import-test.sh

@@ -101,7 +106,10 @@ test-replication-3site:
 test-delete-replication:
 	@(env bash $(PWD)/docs/bucket/replication/delete-replication.sh)

-test-replication: install-race test-replication-2site test-replication-3site test-delete-replication test-sio-error ## verify multi site replication
+test-delete-marker-proxying:
+	@(env bash $(PWD)/docs/bucket/replication/test_del_marker_proxying.sh)
+
+test-replication: install-race test-replication-2site test-replication-3site test-delete-replication test-sio-error test-delete-marker-proxying ## verify multi site replication
 	@echo "Running tests for replicating three sites"

 test-site-replication-ldap: install-race ## verify automatic site replication
@@ -122,37 +130,32 @@ test-site-replication-minio: install-race ## verify automatic site replication
 	@echo "Running tests for automatic site replication of SSE-C objects with compression enabled for site"
 	@(env bash $(PWD)/docs/site-replication/run-ssec-object-replication-with-compression.sh)

-verify: ## verify minio various setups
+verify: install-race ## verify minio various setups
 	@echo "Verifying build with race"
-	@GORACE=history_size=7 CGO_ENABLED=1 go build -race -tags kqueue -trimpath --ldflags "$(LDFLAGS)" -o $(PWD)/minio 1>/dev/null
 	@(env bash $(PWD)/buildscripts/verify-build.sh)

-verify-healing: ## verify healing and replacing disks with minio binary
+verify-healing: install-race ## verify healing and replacing disks with minio binary
 	@echo "Verify healing build with race"
-	@GORACE=history_size=7 CGO_ENABLED=1 go build -race -tags kqueue -trimpath --ldflags "$(LDFLAGS)" -o $(PWD)/minio 1>/dev/null
 	@(env bash $(PWD)/buildscripts/verify-healing.sh)
 	@(env bash $(PWD)/buildscripts/verify-healing-empty-erasure-set.sh)
 	@(env bash $(PWD)/buildscripts/heal-inconsistent-versions.sh)

-verify-healing-with-root-disks: ## verify healing root disks
+verify-healing-with-root-disks: install-race ## verify healing root disks
 	@echo "Verify healing with root drives"
-	@GORACE=history_size=7 CGO_ENABLED=1 go build -race -tags kqueue -trimpath --ldflags "$(LDFLAGS)" -o $(PWD)/minio 1>/dev/null
 	@(env bash $(PWD)/buildscripts/verify-healing-with-root-disks.sh)

-verify-healing-with-rewrite: ## verify healing to rewrite old xl.meta -> new xl.meta
+verify-healing-with-rewrite: install-race ## verify healing to rewrite old xl.meta -> new xl.meta
 	@echo "Verify healing with rewrite"
-	@GORACE=history_size=7 CGO_ENABLED=1 go build -race -tags kqueue -trimpath --ldflags "$(LDFLAGS)" -o $(PWD)/minio 1>/dev/null
 	@(env bash $(PWD)/buildscripts/rewrite-old-new.sh)

-verify-healing-inconsistent-versions: ## verify resolving inconsistent versions
+verify-healing-inconsistent-versions: install-race ## verify resolving inconsistent versions
 	@echo "Verify resolving inconsistent versions build with race"
-	@GORACE=history_size=7 CGO_ENABLED=1 go build -race -tags kqueue -trimpath --ldflags "$(LDFLAGS)" -o $(PWD)/minio 1>/dev/null
 	@(env bash $(PWD)/buildscripts/resolve-right-versions.sh)

 build-debugging:
 	@(env bash $(PWD)/docs/debugging/build.sh)

-build: checks ## builds minio to $(PWD)
+build: checks build-debugging ## builds minio to $(PWD)
 	@echo "Building minio binary to './minio'"
 	@CGO_ENABLED=0 go build -tags kqueue -trimpath --ldflags "$(LDFLAGS)" -o $(PWD)/minio 1>/dev/null

@@ -162,9 +165,9 @@ hotfix-vars:
 	$(eval VERSION := $(shell git describe --tags --abbrev=0).hotfix.$(shell git rev-parse --short HEAD))

 hotfix: hotfix-vars clean install ## builds minio binary with hotfix tags
-	@wget -q -c https://github.com/minio/pkger/releases/download/v2.2.9/pkger_2.2.9_linux_amd64.deb
+	@wget -q -c https://github.com/minio/pkger/releases/download/v2.3.1/pkger_2.3.1_linux_amd64.deb
 	@wget -q -c https://raw.githubusercontent.com/minio/minio-service/v1.0.1/linux-systemd/distributed/minio.service
-	@sudo apt install ./pkger_2.2.9_linux_amd64.deb --yes
+	@sudo apt install ./pkger_2.3.1_linux_amd64.deb --yes
 	@mkdir -p minio-release/$(GOOS)-$(GOARCH)/archive
 	@cp -af ./minio minio-release/$(GOOS)-$(GOARCH)/minio
 	@cp -af ./minio minio-release/$(GOOS)-$(GOARCH)/minio.$(VERSION)
@@ -191,15 +194,15 @@ docker: build ## builds minio docker container
 	@echo "Building minio docker image '$(TAG)'"
 	@docker build -q --no-cache -t $(TAG) . -f Dockerfile

-install-race: checks ## builds minio to $(PWD)
+install-race: checks build-debugging ## builds minio to $(PWD)
 	@echo "Building minio binary with -race to './minio'"
-	@GORACE=history_size=7 CGO_ENABLED=1 go build -tags kqueue -race -trimpath --ldflags "$(LDFLAGS)" -o $(PWD)/minio 1>/dev/null
+	@GORACE=history_size=7 CGO_ENABLED=1 go build -tags kqueue,dev -race -trimpath --ldflags "$(LDFLAGS)" -o $(PWD)/minio 1>/dev/null
 	@echo "Installing minio binary with -race to '$(GOPATH)/bin/minio'"
-	@mkdir -p $(GOPATH)/bin && cp -f $(PWD)/minio $(GOPATH)/bin/minio
+	@mkdir -p $(GOPATH)/bin && cp -af $(PWD)/minio $(GOPATH)/bin/minio

 install: build ## builds minio and installs it to $GOPATH/bin.
 	@echo "Installing minio binary to '$(GOPATH)/bin/minio'"
-	@mkdir -p $(GOPATH)/bin && cp -f $(PWD)/minio $(GOPATH)/bin/minio
+	@mkdir -p $(GOPATH)/bin && cp -af $(PWD)/minio $(GOPATH)/bin/minio
 	@echo "Installation successful. To learn more, try \"minio --help\"."

 clean: ## cleanup all generated assets
@@ -32,6 +32,7 @@ fi
 set +e

 export MC_HOST_minioadm=http://minioadmin:minioadmin@localhost:9100/
+./mc ready minioadm

 ./mc ls minioadm/

@@ -56,7 +57,7 @@ done

 set +e

-sleep 10
+./mc ready minioadm/

 ./mc ls minioadm/
 if [ $? -ne 0 ]; then
@@ -81,11 +82,12 @@ minio server --address 127.0.0.1:9003 "http://127.0.0.1:9003/tmp/multisiteb/data
 minio server --address 127.0.0.1:9004 "http://127.0.0.1:9003/tmp/multisiteb/data/disterasure/xl{1...4}" \
 	"http://127.0.0.1:9004/tmp/multisiteb/data/disterasure/xl{5...8}" >/tmp/siteb_2.log 2>&1 &

-sleep 20s
-
 export MC_HOST_sitea=http://minioadmin:minioadmin@127.0.0.1:9001
 export MC_HOST_siteb=http://minioadmin:minioadmin@127.0.0.1:9004

+./mc ready sitea
+./mc ready siteb
+
 ./mc admin replicate add sitea siteb

 ./mc admin user add sitea foobar foo12345
@@ -109,11 +111,12 @@ minio server --address 127.0.0.1:9003 "http://127.0.0.1:9003/tmp/multisiteb/data
 minio server --address 127.0.0.1:9004 "http://127.0.0.1:9003/tmp/multisiteb/data/disterasure/xl{1...4}" \
 	"http://127.0.0.1:9004/tmp/multisiteb/data/disterasure/xl{5...8}" >/tmp/siteb_2.log 2>&1 &

-sleep 20s
-
 export MC_HOST_sitea=http://foobar:foo12345@127.0.0.1:9001
 export MC_HOST_siteb=http://foobar:foo12345@127.0.0.1:9004

+./mc ready sitea
+./mc ready siteb
+
 ./mc admin user add sitea foobar-admin foo12345

 sleep 2s
@@ -56,6 +56,7 @@ create_iam_content_in_old_minio() {

 	set -x
 	mc alias set old-minio http://localhost:9000 minioadmin minioadmin
+	mc ready old-minio
 	mc idp ldap add old-minio \
 		server_addr=localhost:1389 \
 		server_insecure=on \
@@ -87,6 +88,7 @@ import_iam_content_in_new_minio() {
 	set -x
 	mc alias set new-minio http://localhost:9000 minioadmin minioadmin
 	echo "BEFORE IMPORT mappings:"
+	mc ready new-minio
 	mc idp ldap policy entities new-minio
 	mc admin cluster iam import new-minio ./old-minio-iam-info.zip
 	echo "AFTER IMPORT mappings:"
@@ -4,10 +4,22 @@ trap 'cleanup $LINENO' ERR

 # shellcheck disable=SC2120
 cleanup() {
-	MINIO_VERSION=dev docker-compose \
+	MINIO_VERSION=dev /tmp/gopath/bin/docker-compose \
 		-f "buildscripts/upgrade-tests/compose.yml" \
-		rm -s -f
+		down || true
+
+	MINIO_VERSION=dev /tmp/gopath/bin/docker-compose \
+		-f "buildscripts/upgrade-tests/compose.yml" \
+		rm || true
+
+	for volume in $(docker volume ls -q | grep upgrade); do
+		docker volume rm ${volume} || true
+	done
+
 	docker volume prune -f
+	docker system prune -f || true
+	docker volume prune -f || true
+	docker volume rm $(docker volume ls -q -f dangling=true) || true
 }

 verify_checksum_after_heal() {
@@ -60,6 +72,8 @@ __init__() {
 	go install github.com/docker/compose/v2/cmd@latest
 	mv -v /tmp/gopath/bin/cmd /tmp/gopath/bin/docker-compose

+	cleanup
+
 	TAG=minio/minio:dev make docker

 	MINIO_VERSION=RELEASE.2019-12-19T22-52-26Z docker-compose \
@@ -77,11 +91,11 @@ __init__() {

 	curl -s http://127.0.0.1:9000/minio-test/to-read/hosts | sha256sum

-	MINIO_VERSION=dev docker-compose -f "buildscripts/upgrade-tests/compose.yml" stop
+	MINIO_VERSION=dev /tmp/gopath/bin/docker-compose -f "buildscripts/upgrade-tests/compose.yml" stop
 }

 main() {
-	MINIO_VERSION=dev docker-compose -f "buildscripts/upgrade-tests/compose.yml" up -d --build
+	MINIO_VERSION=dev /tmp/gopath/bin/docker-compose -f "buildscripts/upgrade-tests/compose.yml" up -d --build

 	add_alias

@@ -45,7 +45,8 @@ function verify_rewrite() {
 	"${MINIO_OLD[@]}" --address ":$start_port" "${WORK_DIR}/xl{1...16}" >"${WORK_DIR}/server1.log" 2>&1 &
 	pid=$!
 	disown $pid
-	sleep 10
+
+	"${WORK_DIR}/mc" ready minio/

 	if ! ps -p ${pid} 1>&2 >/dev/null; then
 		echo "server1 log:"
@@ -77,7 +78,8 @@ function verify_rewrite() {
 	"${MINIO[@]}" --address ":$start_port" "${WORK_DIR}/xl{1...16}" >"${WORK_DIR}/server1.log" 2>&1 &
 	pid=$!
 	disown $pid
-	sleep 10
+
+	"${WORK_DIR}/mc" ready minio/

 	if ! ps -p ${pid} 1>&2 >/dev/null; then
 		echo "server1 log:"
@@ -87,14 +89,12 @@ function verify_rewrite() {
 		exit 1
 	fi

-	go install -v github.com/minio/minio/docs/debugging/s3-check-md5@latest
-
-	if ! s3-check-md5 \
+	if ! ./s3-check-md5 \
 		-debug \
 		-versions \
 		-access-key minio \
 		-secret-key minio123 \
-		-endpoint http://127.0.0.1:${start_port}/ 2>&1 | grep INTACT; then
+		-endpoint "http://127.0.0.1:${start_port}/" 2>&1 | grep INTACT; then
 		echo "server1 log:"
 		cat "${WORK_DIR}/server1.log"
 		echo "FAILED"
@@ -114,7 +114,7 @@ function verify_rewrite() {
 	go run ./buildscripts/heal-manual.go "127.0.0.1:${start_port}" "minio" "minio123"
 	sleep 1

-	if ! s3-check-md5 \
+	if ! ./s3-check-md5 \
 		-debug \
 		-versions \
 		-access-key minio \
@@ -1,5 +1,3 @@
-version: '3.7'
-
 # Settings and configurations that are common for all containers
 x-minio-common: &minio-common
  image: minio/minio:${MINIO_VERSION}
@@ -15,13 +15,14 @@ WORK_DIR="$PWD/.verify-$RANDOM"
 export MINT_MODE=core
 export MINT_DATA_DIR="$WORK_DIR/data"
 export SERVER_ENDPOINT="127.0.0.1:9000"
+export MC_HOST_verify="http://minio:minio123@${SERVER_ENDPOINT}/"
+export MC_HOST_verify_ipv6="http://minio:minio123@[::1]:9000/"
 export ACCESS_KEY="minio"
 export SECRET_KEY="minio123"
 export ENABLE_HTTPS=0
 export GO111MODULE=on
 export GOGC=25
 export ENABLE_ADMIN=1
-
 export MINIO_CI_CD=1

 MINIO_CONFIG_DIR="$WORK_DIR/.minio"
@@ -36,18 +37,21 @@ function start_minio_fs() {
 	export MINIO_ROOT_USER=$ACCESS_KEY
 	export MINIO_ROOT_PASSWORD=$SECRET_KEY
 	"${MINIO[@]}" server "${WORK_DIR}/fs-disk" >"$WORK_DIR/fs-minio.log" 2>&1 &
-	sleep 10
+
+	"${WORK_DIR}/mc" ready verify
 }

 function start_minio_erasure() {
 	"${MINIO[@]}" server "${WORK_DIR}/erasure-disk1" "${WORK_DIR}/erasure-disk2" "${WORK_DIR}/erasure-disk3" "${WORK_DIR}/erasure-disk4" >"$WORK_DIR/erasure-minio.log" 2>&1 &
-	sleep 15
+
+	"${WORK_DIR}/mc" ready verify
 }

 function start_minio_erasure_sets() {
 	export MINIO_ENDPOINTS="${WORK_DIR}/erasure-disk-sets{1...32}"
 	"${MINIO[@]}" server >"$WORK_DIR/erasure-minio-sets.log" 2>&1 &
-	sleep 15
+
+	"${WORK_DIR}/mc" ready verify
 }

 function start_minio_pool_erasure_sets() {
@@ -57,7 +61,7 @@ function start_minio_pool_erasure_sets() {
 	"${MINIO[@]}" server --address ":9000" >"$WORK_DIR/pool-minio-9000.log" 2>&1 &
 	"${MINIO[@]}" server --address ":9001" >"$WORK_DIR/pool-minio-9001.log" 2>&1 &

-	sleep 40
+	"${WORK_DIR}/mc" ready verify
 }

 function start_minio_pool_erasure_sets_ipv6() {
@@ -67,7 +71,7 @@ function start_minio_pool_erasure_sets_ipv6() {
 	"${MINIO[@]}" server --address="[::1]:9000" >"$WORK_DIR/pool-minio-ipv6-9000.log" 2>&1 &
 	"${MINIO[@]}" server --address="[::1]:9001" >"$WORK_DIR/pool-minio-ipv6-9001.log" 2>&1 &

-	sleep 40
+	"${WORK_DIR}/mc" ready verify_ipv6
 }

 function start_minio_dist_erasure() {
@@ -78,7 +82,7 @@ function start_minio_dist_erasure() {
 		"${MINIO[@]}" server --address ":900${i}" >"$WORK_DIR/dist-minio-900${i}.log" 2>&1 &
 	done

-	sleep 40
+	"${WORK_DIR}/mc" ready verify
 }

 function run_test_fs() {
@@ -222,7 +226,7 @@ function __init__() {
 		exit 1
 	fi

-	(cd "${MC_BUILD_DIR}" && go build -o "$WORK_DIR/mc")
+	(cd "${MC_BUILD_DIR}" && go build -o "${WORK_DIR}/mc")

 	# remove mc source.
 	purge "${MC_BUILD_DIR}"
@@ -19,7 +19,7 @@ function start_minio_3_node() {
 	export MINIO_ERASURE_SET_DRIVE_COUNT=6
 	export MINIO_CI_CD=1

-	start_port=$2
+	start_port=$1
 	args=""
 	for i in $(seq 1 3); do
 		args="$args http://127.0.0.1:$((start_port + i))${WORK_DIR}/$i/1/ http://127.0.0.1:$((start_port + i))${WORK_DIR}/$i/2/ http://127.0.0.1:$((start_port + i))${WORK_DIR}/$i/3/ http://127.0.0.1:$((start_port + i))${WORK_DIR}/$i/4/ http://127.0.0.1:$((start_port + i))${WORK_DIR}/$i/5/ http://127.0.0.1:$((start_port + i))${WORK_DIR}/$i/6/"
@@ -37,40 +37,48 @@ function start_minio_3_node() {
 	pid3=$!
 	disown $pid3

-	sleep "$1"
+	export MC_HOST_myminio="http://minio:minio123@127.0.0.1:$((start_port + 1))"
+
+	timeout 15m /tmp/mc ready myminio || fail
+
+	# Wait for all drives to be online and formatted
+	while [ $(/tmp/mc admin info --json myminio | jq '.info.servers[].drives[].state | select(. != "ok")' | wc -l) -gt 0 ]; do sleep 1; done
+	# Wait for all drives to be healed
+	while [ $(/tmp/mc admin info --json myminio | jq '.info.servers[].drives[].healing | select(. != null) | select(. == true)' | wc -l) -gt 0 ]; do sleep 1; done
+
+	# Wait for Status: in MinIO output
+	while true; do
+		rv=$(check_online)
+		if [ "$rv" != "1" ]; then
+			# success
+			break
+		fi
+
+		# Check if we should retry
+		retry=$((retry + 1))
+		if [ $retry -le 20 ]; then
+			sleep 5
+			continue
+		fi
+
+		# Failure
+		fail
+	done

 	if ! ps -p $pid1 1>&2 >/dev/null; then
-		echo "server1 log:"
-		cat "${WORK_DIR}/dist-minio-server1.log"
-		echo "FAILED"
-		purge "$WORK_DIR"
-		exit 1
+		echo "minio-server-1 is not running." && fail
 	fi

 	if ! ps -p $pid2 1>&2 >/dev/null; then
-		echo "server2 log:"
-		cat "${WORK_DIR}/dist-minio-server2.log"
-		echo "FAILED"
-		purge "$WORK_DIR"
-		exit 1
+		echo "minio-server-2 is not running." && fail
 	fi

 	if ! ps -p $pid3 1>&2 >/dev/null; then
-		echo "server3 log:"
-		cat "${WORK_DIR}/dist-minio-server3.log"
-		echo "FAILED"
-		purge "$WORK_DIR"
-		exit 1
+		echo "minio-server-3 is not running." && fail
 	fi

 	if ! pkill minio; then
-		for i in $(seq 1 3); do
-			echo "server$i log:"
-			cat "${WORK_DIR}/dist-minio-server$i.log"
-		done
-		echo "FAILED"
-		purge "$WORK_DIR"
-		exit 1
+		fail
 	fi

 	sleep 1
@@ -82,6 +90,16 @@ function start_minio_3_node() {
 	fi
 }

+function fail() {
+	for i in $(seq 1 3); do
+		echo "server$i log:"
+		cat "${WORK_DIR}/dist-minio-server$i.log"
+	done
+	echo "FAILED"
+	purge "$WORK_DIR"
+	exit 1
+}
+
 function check_online() {
 	if ! grep -q 'Status:' ${WORK_DIR}/dist-minio-*.log; then
 		echo "1"
@@ -89,7 +107,7 @@ function check_online() {
 }

 function purge() {
-	rm -rf "$1"
+	echo rm -rf "$1"
 }

 function __init__() {
@@ -99,10 +117,15 @@ function __init__() {

 	## version is purposefully set to '3' for minio to migrate configuration file
 	echo '{"version": "3", "credential": {"accessKey": "minio", "secretKey": "minio123"}, "region": "us-east-1"}' >"$MINIO_CONFIG_DIR/config.json"
+
+	if [ ! -f /tmp/mc ]; then
+		wget --quiet -O /tmp/mc https://dl.minio.io/client/mc/release/linux-amd64/mc &&
+			chmod +x /tmp/mc
+	fi
 }

 function perform_test() {
-	start_minio_3_node 120 $2
+	start_minio_3_node $2

 	echo "Testing Distributed Erasure setup healing of drives"
 	echo "Remove the contents of the disks belonging to '${1}' erasure set"
@@ -110,19 +133,7 @@ function perform_test() {
 	rm -rf ${WORK_DIR}/${1}/*/

 	set -x
-	start_minio_3_node 120 $2
-
-	rv=$(check_online)
-	if [ "$rv" == "1" ]; then
-		for i in $(seq 1 3); do
-			echo "server$i log:"
-			cat "${WORK_DIR}/dist-minio-server$i.log"
-		done
-		pkill -9 minio
-		echo "FAILED"
-		purge "$WORK_DIR"
-		exit 1
-	fi
+	start_minio_3_node $2
 }

 function main() {
@@ -15,6 +15,10 @@ MINIO=("$PWD/minio" --config-dir "$MINIO_CONFIG_DIR" server)
 GOPATH=/tmp/gopath

 function start_minio_3_node() {
+	for i in $(seq 1 3); do
+		rm "${WORK_DIR}/dist-minio-server$i.log"
+	done
+
 	export MINIO_ROOT_USER=minio
 	export MINIO_ROOT_PASSWORD=minio123
 	export MINIO_ERASURE_SET_DRIVE_COUNT=6
@@ -22,7 +26,7 @@ function start_minio_3_node() {

 	first_time=$(find ${WORK_DIR}/ | grep format.json | wc -l)

-	start_port=$2
+	start_port=$1
 	args=""
 	for d in $(seq 1 3 5); do
 		args="$args http://127.0.0.1:$((start_port + 1))${WORK_DIR}/1/${d}/ http://127.0.0.1:$((start_port + 2))${WORK_DIR}/2/${d}/ http://127.0.0.1:$((start_port + 3))${WORK_DIR}/3/${d}/ "
@@ -42,42 +46,26 @@ function start_minio_3_node() {
 	pid3=$!
 	disown $pid3

-	sleep "$1"
+	export MC_HOST_myminio="http://minio:minio123@127.0.0.1:$((start_port + 1))"
+	timeout 15m /tmp/mc ready myminio || fail

-	[ ${first_time} -eq 0 ] && upload_objects $start_port
+	[ ${first_time} -eq 0 ] && upload_objects
+	[ ${first_time} -ne 0 ] && sleep 120

 	if ! ps -p $pid1 1>&2 >/dev/null; then
-		echo "server1 log:"
-		cat "${WORK_DIR}/dist-minio-server1.log"
-		echo "FAILED"
-		purge "$WORK_DIR"
-		exit 1
+		echo "minio server 1 is not running" && fail
 	fi

 	if ! ps -p $pid2 1>&2 >/dev/null; then
-		echo "server2 log:"
-		cat "${WORK_DIR}/dist-minio-server2.log"
-		echo "FAILED"
-		purge "$WORK_DIR"
-		exit 1
+		echo "minio server 2 is not running" && fail
 	fi

 	if ! ps -p $pid3 1>&2 >/dev/null; then
-		echo "server3 log:"
-		cat "${WORK_DIR}/dist-minio-server3.log"
-		echo "FAILED"
-		purge "$WORK_DIR"
-		exit 1
+		echo "minio server 3 is not running" && fail
 	fi

 	if ! pkill minio; then
-		for i in $(seq 1 3); do
-			echo "server$i log:"
-			cat "${WORK_DIR}/dist-minio-server$i.log"
-		done
-		echo "FAILED"
-		purge "$WORK_DIR"
-		exit 1
+		fail
 	fi

 	sleep 1
@@ -112,6 +100,17 @@ function purge() {
 	rm -rf "$1"
 }

+function fail() {
+	for i in $(seq 1 3); do
+		echo "server$i log:"
+		cat "${WORK_DIR}/dist-minio-server$i.log"
+	done
+	pkill -9 minio
+	echo "FAILED"
+	purge "$WORK_DIR"
+	exit 1
+}
+
 function __init__() {
 	echo "Initializing environment"
 	mkdir -p "$WORK_DIR"
@@ -127,10 +126,6 @@ function __init__() {
 }

 function upload_objects() {
-	start_port=$1
-
-	/tmp/mc alias set myminio http://127.0.0.1:$((start_port + 1)) minio minio123 --api=s3v4
-	/tmp/mc ready myminio
 	/tmp/mc mb myminio/testbucket/
 	for ((i = 0; i < 20; i++)); do
 		echo "my content" | /tmp/mc pipe myminio/testbucket/file-$i
@@ -140,7 +135,7 @@ function upload_objects() {
 function perform_test() {
 	start_port=$2

-	start_minio_3_node 120 $start_port
+	start_minio_3_node $start_port

 	echo "Testing Distributed Erasure setup healing of drives"
 	echo "Remove the contents of the disks belonging to '${1}' node"
@@ -148,19 +143,12 @@ function perform_test() {
 	rm -rf ${WORK_DIR}/${1}/*/

 	set -x
-	start_minio_3_node 120 $start_port
+	start_minio_3_node $start_port

 	check_heal ${1}
 	rv=$?
 	if [ "$rv" == "1" ]; then
-		for i in $(seq 1 3); do
-			echo "server$i log:"
-			cat "${WORK_DIR}/dist-minio-server$i.log"
-		done
-		pkill -9 minio
-		echo "FAILED"
-		purge "$WORK_DIR"
-		exit 1
+		fail
 	fi
 }

@@ -25,7 +25,7 @@ import (
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // Data types used for returning dummy access control
@@ -40,7 +40,7 @@ import (
 	"github.com/minio/minio/internal/event"
 	"github.com/minio/minio/internal/kms"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 const (
@@ -783,7 +783,7 @@ func (a adminAPIHandlers) ImportBucketMetadataHandler(w http.ResponseWriter, r *
 		}
 		switch fileName {
 		case bucketNotificationConfig:
-			config, err := event.ParseConfig(io.LimitReader(reader, sz), globalSite.Region, globalEventNotifier.targetList)
+			config, err := event.ParseConfig(io.LimitReader(reader, sz), globalSite.Region(), globalEventNotifier.targetList)
 			if err != nil {
 				rpt.SetStatus(bucket, fileName, fmt.Errorf("%s (%s)", errorCodes[ErrMalformedXML].Description, err))
 				continue
@@ -837,9 +837,13 @@ func (a adminAPIHandlers) ImportBucketMetadataHandler(w http.ResponseWriter, r *
 				rpt.SetStatus(bucket, fileName, err)
 				continue
 			}
-
+			rcfg, err := globalBucketObjectLockSys.Get(bucket)
+			if err != nil {
+				rpt.SetStatus(bucket, fileName, err)
+				continue
+			}
 			// Validate the received bucket policy document
-			if err = bucketLifecycle.Validate(); err != nil {
+			if err = bucketLifecycle.Validate(rcfg); err != nil {
 				rpt.SetStatus(bucket, fileName, err)
 				continue
 			}
@@ -27,7 +27,7 @@ import (
 	"github.com/minio/madmin-go/v3"
 	"github.com/minio/minio/internal/auth"
 	"github.com/minio/minio/internal/config"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // validateAdminReq will validate request against and return whether it is allowed.
@@ -37,7 +37,7 @@ import (
 	"github.com/minio/minio/internal/config/subnet"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // DelConfigKVHandler - DELETE /minio/admin/v3/del-config-kv
@@ -32,8 +32,8 @@ import (
 	cfgldap "github.com/minio/minio/internal/config/identity/ldap"
 	"github.com/minio/minio/internal/config/identity/openid"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/ldap"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/ldap"
+	"github.com/minio/pkg/v3/policy"
 )

 func addOrUpdateIDPHandler(ctx context.Context, w http.ResponseWriter, r *http.Request, isUpdate bool) {
@@ -20,6 +20,7 @@ package cmd
 import (
 	"encoding/json"
 	"errors"
+	"fmt"
 	"io"
 	"net/http"
 	"strings"
@@ -27,7 +28,8 @@ import (
 	"github.com/minio/madmin-go/v3"
 	"github.com/minio/minio/internal/auth"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	xldap "github.com/minio/pkg/v3/ldap"
+	"github.com/minio/pkg/v3/policy"
 )

 // ListLDAPPolicyMappingEntities lists users/groups mapped to given/all policies.
@@ -236,12 +238,12 @@ func (a adminAPIHandlers) AddServiceAccountLDAP(w http.ResponseWriter, r *http.R
 		targetGroups = requestorGroups

 		// Deny if the target user is not LDAP
-		foundLDAPDN, err := globalIAMSys.LDAPConfig.GetValidatedDNForUsername(targetUser)
+		foundResult, err := globalIAMSys.LDAPConfig.GetValidatedDNForUsername(targetUser)
 		if err != nil {
 			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
 			return
 		}
-		if foundLDAPDN == "" {
+		if foundResult == nil {
 			err := errors.New("Specified user does not exist on LDAP server")
 			APIErr := errorCodes.ToAPIErrWithErr(ErrAdminNoSuchUser, err)
 			writeErrorResponseJSON(ctx, w, APIErr, r.URL)
@@ -264,7 +266,8 @@ func (a adminAPIHandlers) AddServiceAccountLDAP(w http.ResponseWriter, r *http.R

 		isDN := globalIAMSys.LDAPConfig.ParsesAsDN(targetUser)
 		opts.claims[ldapUserN] = targetUser // simple username
-		targetUser, targetGroups, err = globalIAMSys.LDAPConfig.LookupUserDN(targetUser)
+		var lookupResult *xldap.DNSearchResult
+		lookupResult, targetGroups, err = globalIAMSys.LDAPConfig.LookupUserDN(targetUser)
 		if err != nil {
 			// if not found, check if DN
 			if strings.Contains(err.Error(), "User DN not found for:") {
@@ -278,7 +281,26 @@ func (a adminAPIHandlers) AddServiceAccountLDAP(w http.ResponseWriter, r *http.R
 			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
 			return
 		}
+		targetUser = lookupResult.NormDN
 		opts.claims[ldapUser] = targetUser // DN
+		opts.claims[ldapActualUser] = lookupResult.ActualDN
+
+		// Check if this user or their groups have a policy applied.
+		ldapPolicies, err := globalIAMSys.PolicyDBGet(targetUser, targetGroups...)
+		if err != nil {
+			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
+			return
+		}
+		if len(ldapPolicies) == 0 {
+			err = fmt.Errorf("No policy set for user `%s` or any of their groups: `%s`", opts.claims[ldapActualUser], strings.Join(targetGroups, "`,`"))
+			writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrAdminNoSuchUser, err), r.URL)
+			return
+		}
+
+		// Add LDAP attributes that were looked up into the claims.
+		for attribKey, attribValue := range lookupResult.Attributes {
+			opts.claims[ldapAttribPrefix+attribKey] = attribValue
+		}
 	}

 	newCred, updatedAt, err := globalIAMSys.NewServiceAccount(ctx, targetUser, targetGroups, opts)
@@ -385,15 +407,16 @@ func (a adminAPIHandlers) ListAccessKeysLDAP(w http.ResponseWriter, r *http.Requ
 		}
 	}

-	targetAccount, err := globalIAMSys.LDAPConfig.GetValidatedDNForUsername(userDN)
+	dnResult, err := globalIAMSys.LDAPConfig.GetValidatedDNForUsername(userDN)
 	if err != nil {
 		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
 		return
 	}
-	if targetAccount == "" {
+	if dnResult == nil {
 		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, errNoSuchUser), r.URL)
 		return
 	}
+	targetAccount := dnResult.NormDN

 	listType := r.Form.Get("listType")
 	if listType != "sts-only" && listType != "svcacc-only" && listType != "" {
@@ -27,8 +27,8 @@ import (
 	"strings"

 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/env"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/env"
+	"github.com/minio/pkg/v3/policy"
 )

 var (
@@ -33,7 +33,7 @@ import (
 	"github.com/minio/madmin-go/v3"
 	xioutil "github.com/minio/minio/internal/ioutil"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // SiteReplicationAdd - PUT /minio/admin/v3/site-replication/add
@@ -32,7 +32,7 @@ import (

 	"github.com/minio/madmin-go/v3"
 	minio "github.com/minio/minio-go/v7"
-	"github.com/minio/pkg/v2/sync/errgroup"
+	"github.com/minio/pkg/v3/sync/errgroup"
 )

 func runAllIAMConcurrencyTests(suite *TestSuiteIAM, c *check) {
@@ -29,6 +29,7 @@ import (
 	"sort"
 	"strconv"
 	"time"
+	"unicode/utf8"

 	"github.com/klauspost/compress/zip"
 	"github.com/minio/madmin-go/v3"
@@ -36,7 +37,8 @@ import (
 	"github.com/minio/minio/internal/cachevalue"
 	"github.com/minio/minio/internal/config/dns"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	xldap "github.com/minio/pkg/v3/ldap"
+	"github.com/minio/pkg/v3/policy"
 	"github.com/puzpuzpuz/xsync/v3"
 )

@@ -473,6 +475,11 @@ func (a adminAPIHandlers) AddUser(w http.ResponseWriter, r *http.Request) {
 		return
 	}

+	if !utf8.ValidString(accessKey) {
+		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAddUserValidUTF), r.URL)
+		return
+	}
+
 	checkDenyOnly := false
 	if accessKey == cred.AccessKey {
 		// Check that there is no explicit deny - otherwise it's allowed
@@ -700,12 +707,20 @@ func (a adminAPIHandlers) AddServiceAccount(w http.ResponseWriter, r *http.Reque
 		// In case of LDAP we need to resolve the targetUser to a DN and
 		// query their groups:
 		opts.claims[ldapUserN] = targetUser // simple username
-		targetUser, targetGroups, err = globalIAMSys.LDAPConfig.LookupUserDN(targetUser)
+		var lookupResult *xldap.DNSearchResult
+		lookupResult, targetGroups, err = globalIAMSys.LDAPConfig.LookupUserDN(targetUser)
 		if err != nil {
 			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
 			return
 		}
+		targetUser = lookupResult.NormDN
 		opts.claims[ldapUser] = targetUser // username DN
+		opts.claims[ldapActualUser] = lookupResult.ActualDN
+
+		// Add LDAP attributes that were looked up into the claims.
+		for attribKey, attribValue := range lookupResult.Attributes {
+			opts.claims[ldapAttribPrefix+attribKey] = attribValue
+		}

 		// NOTE: if not using LDAP, then internal IDP or open ID is
 		// being used - in the former, group info is enforced when
@@ -815,7 +830,11 @@ func (a adminAPIHandlers) UpdateServiceAccount(w http.ResponseWriter, r *http.Re
 	}

 	condValues := getConditionValues(r, "", cred)
-	addExpirationToCondValues(updateReq.NewExpiration, condValues)
+	err = addExpirationToCondValues(updateReq.NewExpiration, condValues)
+	if err != nil {
+		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
+		return
+	}

 	// Permission checks:
 	//
@@ -1636,22 +1655,22 @@ func (a adminAPIHandlers) SetPolicyForUserOrGroup(w http.ResponseWriter, r *http
 		// form of the entityName (which will be an LDAP DN).
 		var err error
 		if isGroup {
-			var foundGroupDN string
+			var foundGroupDN *xldap.DNSearchResult
 			var underBaseDN bool
 			if foundGroupDN, underBaseDN, err = globalIAMSys.LDAPConfig.GetValidatedGroupDN(nil, entityName); err != nil {
 				iamLogIf(ctx, err)
-			} else if foundGroupDN == "" || !underBaseDN {
+			} else if foundGroupDN == nil || !underBaseDN {
 				err = errNoSuchGroup
 			}
-			entityName = foundGroupDN
+			entityName = foundGroupDN.NormDN
 		} else {
-			var foundUserDN string
+			var foundUserDN *xldap.DNSearchResult
 			if foundUserDN, err = globalIAMSys.LDAPConfig.GetValidatedDNForUsername(entityName); err != nil {
 				iamLogIf(ctx, err)
-			} else if foundUserDN == "" {
+			} else if foundUserDN == nil {
 				err = errNoSuchUser
 			}
-			entityName = foundUserDN
+			entityName = foundUserDN.NormDN
 		}
 		if err != nil {
 			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
@@ -2444,11 +2463,16 @@ func (a adminAPIHandlers) ImportIAM(w http.ResponseWriter, r *http.Request) {
 	}
 }

-func addExpirationToCondValues(exp *time.Time, condValues map[string][]string) {
-	if exp == nil {
-		return
+func addExpirationToCondValues(exp *time.Time, condValues map[string][]string) error {
+	if exp == nil || exp.IsZero() || exp.Equal(timeSentinel) {
+		return nil
 	}
-	condValues["DurationSeconds"] = []string{strconv.FormatInt(int64(exp.Sub(time.Now()).Seconds()), 10)}
+	dur := exp.Sub(time.Now())
+	if dur <= 0 {
+		return errors.New("unsupported expiration time")
+	}
+	condValues["DurationSeconds"] = []string{strconv.FormatInt(int64(dur.Seconds()), 10)}
+	return nil
 }

 func commonAddServiceAccount(r *http.Request) (context.Context, auth.Credentials, newServiceAccountOpts, madmin.AddServiceAccountReq, string, APIError) {
@@ -2513,7 +2537,10 @@ func commonAddServiceAccount(r *http.Request) (context.Context, auth.Credentials
 	}

 	condValues := getConditionValues(r, "", cred)
-	addExpirationToCondValues(createReq.Expiration, condValues)
+	err = addExpirationToCondValues(createReq.Expiration, condValues)
+	if err != nil {
+		return ctx, auth.Credentials{}, newServiceAccountOpts{}, madmin.AddServiceAccountReq{}, "", toAdminAPIErr(ctx, err)
+	}

 	// Check if action is allowed if creating access key for another user
 	// Check if action is explicitly denied if for self
@@ -39,7 +39,7 @@ import (
 	"github.com/minio/minio-go/v7/pkg/set"
 	"github.com/minio/minio-go/v7/pkg/signer"
 	"github.com/minio/minio/internal/auth"
-	"github.com/minio/pkg/v2/env"
+	"github.com/minio/pkg/v3/env"
 )

 const (
@@ -59,9 +59,9 @@ import (
 	"github.com/minio/minio/internal/kms"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/logger/message/log"
-	xnet "github.com/minio/pkg/v2/net"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/logger/message/log"
+	xnet "github.com/minio/pkg/v3/net"
+	"github.com/minio/pkg/v3/policy"
 	"github.com/secure-io/sio-go"
 	"github.com/zeebo/xxh3"
 )
@@ -237,6 +237,7 @@ func (a adminAPIHandlers) ServerUpdateV2Handler(w http.ResponseWriter, r *http.R

 	if globalIsDistErasure {
 		// Notify all other MinIO peers signal service.
+		startTime := time.Now().Add(restartUpdateDelay)
 		ng := WithNPeers(len(globalNotificationSys.peerClients))
 		for idx, client := range globalNotificationSys.peerClients {
 			_, ok := failedClients[idx]
@@ -247,7 +248,7 @@ func (a adminAPIHandlers) ServerUpdateV2Handler(w http.ResponseWriter, r *http.R
 			ng.Go(ctx, func() error {
 				prs, ok := peerResults[client.String()]
 				if ok && prs.CurrentVersion != prs.UpdatedVersion && prs.UpdatedVersion != "" {
-					return client.SignalService(serviceRestart, "", dryRun)
+					return client.SignalService(serviceRestart, "", dryRun, &startTime)
 				}
 				return nil
 			}, idx, *client.host)
@@ -542,9 +543,12 @@ func (a adminAPIHandlers) ServiceV2Handler(w http.ResponseWriter, r *http.Reques
 	}

 	var objectAPI ObjectLayer
+	var execAt *time.Time
 	switch serviceSig {
 	case serviceRestart:
 		objectAPI, _ = validateAdminReq(ctx, w, r, policy.ServiceRestartAdminAction)
+		t := time.Now().Add(restartUpdateDelay)
+		execAt = &t
 	case serviceStop:
 		objectAPI, _ = validateAdminReq(ctx, w, r, policy.ServiceStopAdminAction)
 	case serviceFreeze, serviceUnFreeze:
@@ -571,7 +575,7 @@ func (a adminAPIHandlers) ServiceV2Handler(w http.ResponseWriter, r *http.Reques
 	}

 	if globalIsDistErasure {
-		for _, nerr := range globalNotificationSys.SignalServiceV2(serviceSig, dryRun) {
+		for _, nerr := range globalNotificationSys.SignalServiceV2(serviceSig, dryRun, execAt) {
 			if nerr.Err != nil && process {
 				waitingDrives := map[string]madmin.DiskMetrics{}
 				jerr := json.Unmarshal([]byte(nerr.Err.Error()), &waitingDrives)
@@ -1431,7 +1435,7 @@ func getAggregatedBackgroundHealState(ctx context.Context, o ObjectLayer) (madmi

 	if globalIsDistErasure {
 		// Get heal status from other peers
-		peersHealStates, nerrs := globalNotificationSys.BackgroundHealStatus()
+		peersHealStates, nerrs := globalNotificationSys.BackgroundHealStatus(ctx)
 		var errCount int
 		for _, nerr := range nerrs {
 			if nerr.Err != nil {
@@ -2347,7 +2351,7 @@ func getServerInfo(ctx context.Context, pools, metrics bool, r *http.Request) ma
 	notifyTarget := fetchLambdaInfo()

 	local := getLocalServerProperty(globalEndpoints, r, metrics)
-	servers := globalNotificationSys.ServerInfo(metrics)
+	servers := globalNotificationSys.ServerInfo(ctx, metrics)
 	servers = append(servers, local)

 	var poolsInfo map[int]map[int]madmin.ErasureSetInfo
@@ -2416,8 +2420,8 @@ func getServerInfo(ctx context.Context, pools, metrics bool, r *http.Request) ma
 	return madmin.InfoMessage{
 		Mode:          string(mode),
 		Domain:        domain,
-		Region:        globalSite.Region,
-		SQSARN:        globalEventNotifier.GetARNList(false),
+		Region:        globalSite.Region(),
+		SQSARN:        globalEventNotifier.GetARNList(),
 		DeploymentID:  globalDeploymentID(),
 		Buckets:       buckets,
 		Objects:       objects,
@@ -1,4 +1,4 @@
-// Copyright (c) 2015-2021 MinIO, Inc.
+// Copyright (c) 2015-2024 MinIO, Inc.
 //
 // This file is part of MinIO Object Storage stack
 //
@@ -18,7 +18,6 @@
 package cmd

 import (
-	"context"
 	"math"
 	"net/http"
 	"os"
@@ -31,6 +30,7 @@ import (
 	"github.com/minio/madmin-go/v3"
 	"github.com/minio/minio/internal/config"
 	"github.com/minio/minio/internal/kms"
+	xnet "github.com/minio/pkg/v3/net"
 )

 // getLocalServerProperty - returns madmin.ServerProperties for only the
@@ -64,9 +64,11 @@ func getLocalServerProperty(endpointServerPools EndpointServerPools, r *http.Req
 				if err := isServerResolvable(endpoint, 5*time.Second); err == nil {
 					network[nodeName] = string(madmin.ItemOnline)
 				} else {
-					network[nodeName] = string(madmin.ItemOffline)
-					// log once the error
-					peersLogOnceIf(context.Background(), err, nodeName)
+					if xnet.IsNetworkOrHostDown(err, false) {
+						network[nodeName] = string(madmin.ItemOffline)
+					} else if xnet.IsNetworkOrHostDown(err, true) {
+						network[nodeName] = "connection attempt timedout"
+					}
 				}
 			}
 		}
@@ -67,7 +67,7 @@ type ObjectToDelete struct {
 	ReplicateDecisionStr string `xml:"-"`
 }

-// createBucketConfiguration container for bucket configuration request from client.
+// createBucketLocationConfiguration container for bucket configuration request from client.
 // Used for parsing the location from the request body for Makebucket.
 type createBucketLocationConfiguration struct {
 	XMLName  xml.Name `xml:"CreateBucketConfiguration" json:"-"`
@@ -48,7 +48,7 @@ import (
 	levent "github.com/minio/minio/internal/config/lambda/event"
 	"github.com/minio/minio/internal/event"
 	"github.com/minio/minio/internal/hash"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // APIError structure
@@ -287,6 +287,7 @@ const (
 	ErrAdminNoSuchGroup
 	ErrAdminGroupNotEmpty
 	ErrAdminGroupDisabled
+	ErrAdminInvalidGroupName
 	ErrAdminNoSuchJob
 	ErrAdminNoSuchPolicy
 	ErrAdminPolicyChangeAlreadyApplied
@@ -425,6 +426,7 @@ const (
 	ErrAdminProfilerNotEnabled
 	ErrInvalidDecompressedSize
 	ErrAddUserInvalidArgument
+	ErrAddUserValidUTF
 	ErrAdminResourceInvalidArgument
 	ErrAdminAccountNotEligible
 	ErrAccountNotEligible
@@ -443,6 +445,8 @@ const (
 	ErrAdminNoAccessKey
 	ErrAdminNoSecretKey

+	ErrIAMNotInitialized
+
 	apiErrCodeEnd // This is used only for the testing code
 )

@@ -456,9 +460,9 @@ func (e errorCodeMap) ToAPIErrWithErr(errCode APIErrorCode, err error) APIError
 	if err != nil {
 		apiErr.Description = fmt.Sprintf("%s (%s)", apiErr.Description, err)
 	}
-	if globalSite.Region != "" {
+	if region := globalSite.Region(); region != "" {
 		if errCode == ErrAuthorizationHeaderMalformed {
-			apiErr.Description = fmt.Sprintf("The authorization header is malformed; the region is wrong; expecting '%s'.", globalSite.Region)
+			apiErr.Description = fmt.Sprintf("The authorization header is malformed; the region is wrong; expecting '%s'.", region)
 			return apiErr
 		}
 	}
@@ -965,7 +969,7 @@ var errorCodes = errorCodeMap{
 	ErrReplicationRemoteConnectionError: {
 		Code:           "XMinioAdminReplicationRemoteConnectionError",
 		Description:    "Remote service connection error",
-		HTTPStatusCode: http.StatusNotFound,
+		HTTPStatusCode: http.StatusServiceUnavailable,
 	},
 	ErrReplicationBandwidthLimitError: {
 		Code:           "XMinioAdminReplicationBandwidthLimitError",
@@ -1303,6 +1307,11 @@ var errorCodes = errorCodeMap{
 		Description:    "Server not initialized yet, please try again.",
 		HTTPStatusCode: http.StatusServiceUnavailable,
 	},
+	ErrIAMNotInitialized: {
+		Code:           "XMinioIAMNotInitialized",
+		Description:    "IAM sub-system not initialized yet, please try again.",
+		HTTPStatusCode: http.StatusServiceUnavailable,
+	},
 	ErrBucketMetadataNotInitialized: {
 		Code:           "XMinioBucketMetadataNotInitialized",
 		Description:    "Bucket metadata not initialized yet, please try again.",
@@ -2101,6 +2110,16 @@ var errorCodes = errorCodeMap{
 		Description:    "Expected LDAP short username but was given full DN.",
 		HTTPStatusCode: http.StatusBadRequest,
 	},
+	ErrAdminInvalidGroupName: {
+		Code:           "XMinioInvalidGroupName",
+		Description:    "The group name is invalid.",
+		HTTPStatusCode: http.StatusBadRequest,
+	},
+	ErrAddUserValidUTF: {
+		Code:           "XMinioInvalidUTF",
+		Description:    "Invalid UTF-8 character detected.",
+		HTTPStatusCode: http.StatusBadRequest,
+	},
 }

 // toAPIErrorCode - Converts embedded errors. Convenience
@@ -2140,6 +2159,8 @@ func toAPIErrorCode(ctx context.Context, err error) (apiErr APIErrorCode) {
 		apiErr = ErrAdminNoSuchGroup
 	case errGroupNotEmpty:
 		apiErr = ErrAdminGroupNotEmpty
+	case errGroupNameContainsReservedChars:
+		apiErr = ErrAdminInvalidGroupName
 	case errNoSuchJob:
 		apiErr = ErrAdminNoSuchJob
 	case errNoPolicyToAttachOrDetach:
@@ -2154,6 +2175,8 @@ func toAPIErrorCode(ctx context.Context, err error) (apiErr APIErrorCode) {
 		apiErr = ErrEntityTooSmall
 	case errAuthentication:
 		apiErr = ErrAccessDenied
+	case auth.ErrContainsReservedChars:
+		apiErr = ErrAdminInvalidAccessKey
 	case auth.ErrInvalidAccessKeyLength:
 		apiErr = ErrAdminInvalidAccessKey
 	case auth.ErrInvalidSecretKeyLength:
@@ -2579,7 +2602,7 @@ func getAPIErrorResponse(ctx context.Context, err APIError, resource, requestID,
 		BucketName:       reqInfo.BucketName,
 		Key:              reqInfo.ObjectName,
 		Resource:         resource,
-		Region:           globalSite.Region,
+		Region:           globalSite.Region(),
 		RequestID:        requestID,
 		HostID:           hostID,
 		ActualObjectSize: err.ObjectSize,
@@ -19,6 +19,7 @@ package cmd

 import (
 	"bytes"
+	"context"
 	"encoding/json"
 	"encoding/xml"
 	"fmt"
@@ -53,7 +54,7 @@ func setCommonHeaders(w http.ResponseWriter) {

 	// Set `x-amz-bucket-region` only if region is set on the server
 	// by default minio uses an empty region.
-	if region := globalSite.Region; region != "" {
+	if region := globalSite.Region(); region != "" {
 		w.Header().Set(xhttp.AmzBucketRegion, region)
 	}
 	w.Header().Set(xhttp.AcceptRanges, "bytes")
@@ -107,7 +108,7 @@ func setPartsCountHeaders(w http.ResponseWriter, objInfo ObjectInfo) {
 }

 // Write object header
-func setObjectHeaders(w http.ResponseWriter, objInfo ObjectInfo, rs *HTTPRangeSpec, opts ObjectOptions) (err error) {
+func setObjectHeaders(ctx context.Context, w http.ResponseWriter, objInfo ObjectInfo, rs *HTTPRangeSpec, opts ObjectOptions) (err error) {
 	// set common headers
 	setCommonHeaders(w)

@@ -135,7 +136,7 @@ func setObjectHeaders(w http.ResponseWriter, objInfo ObjectInfo, rs *HTTPRangeSp
 	// Set tag count if object has tags
 	if len(objInfo.UserTags) > 0 {
 		tags, _ := tags.ParseObjectTags(objInfo.UserTags)
-		if tags.Count() > 0 {
+		if tags != nil && tags.Count() > 0 {
 			w.Header()[xhttp.AmzTagCount] = []string{strconv.Itoa(tags.Count())}
 			if opts.Tagging {
 				// This is MinIO only extension to return back tags along with the count.
@@ -212,7 +213,7 @@ func setObjectHeaders(w http.ResponseWriter, objInfo ObjectInfo, rs *HTTPRangeSp
 	if objInfo.IsRemote() {
 		// Check if object is being restored. For more information on x-amz-restore header see
 		// https://docs.aws.amazon.com/AmazonS3/latest/API/API_HeadObject.html#API_HeadObject_ResponseSyntax
-		w.Header()[xhttp.AmzStorageClass] = []string{objInfo.TransitionedObject.Tier}
+		w.Header()[xhttp.AmzStorageClass] = []string{filterStorageClass(ctx, objInfo.TransitionedObject.Tier)}
 	}

 	if lc, err := globalLifecycleSys.Get(objInfo.Bucket); err == nil {
@@ -35,7 +35,7 @@ import (
 	"github.com/minio/minio/internal/hash"
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/logger"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 	xxml "github.com/minio/xxml"
 )

@@ -544,7 +544,7 @@ func cleanReservedKeys(metadata map[string]string) map[string]string {
 }

 // generates an ListBucketVersions response for the said bucket with other enumerated options.
-func generateListVersionsResponse(bucket, prefix, marker, versionIDMarker, delimiter, encodingType string, maxKeys int, resp ListObjectVersionsInfo, metadata metaCheckFn) ListVersionsResponse {
+func generateListVersionsResponse(ctx context.Context, bucket, prefix, marker, versionIDMarker, delimiter, encodingType string, maxKeys int, resp ListObjectVersionsInfo, metadata metaCheckFn) ListVersionsResponse {
 	versions := make([]ObjectVersion, 0, len(resp.Objects))

 	owner := &Owner{
@@ -573,7 +573,7 @@ func generateListVersionsResponse(bucket, prefix, marker, versionIDMarker, delim
 		}
 		content.Size = object.Size
 		if object.StorageClass != "" {
-			content.StorageClass = object.StorageClass
+			content.StorageClass = filterStorageClass(ctx, object.StorageClass)
 		} else {
 			content.StorageClass = globalMinioDefaultStorageClass
 		}
@@ -634,7 +634,7 @@ func generateListVersionsResponse(bucket, prefix, marker, versionIDMarker, delim
 }

 // generates an ListObjectsV1 response for the said bucket with other enumerated options.
-func generateListObjectsV1Response(bucket, prefix, marker, delimiter, encodingType string, maxKeys int, resp ListObjectsInfo) ListObjectsResponse {
+func generateListObjectsV1Response(ctx context.Context, bucket, prefix, marker, delimiter, encodingType string, maxKeys int, resp ListObjectsInfo) ListObjectsResponse {
 	contents := make([]Object, 0, len(resp.Objects))
 	owner := &Owner{
 		ID:          globalMinioDefaultOwnerID,
@@ -654,7 +654,7 @@ func generateListObjectsV1Response(bucket, prefix, marker, delimiter, encodingTy
 		}
 		content.Size = object.Size
 		if object.StorageClass != "" {
-			content.StorageClass = object.StorageClass
+			content.StorageClass = filterStorageClass(ctx, object.StorageClass)
 		} else {
 			content.StorageClass = globalMinioDefaultStorageClass
 		}
@@ -683,7 +683,7 @@ func generateListObjectsV1Response(bucket, prefix, marker, delimiter, encodingTy
 }

 // generates an ListObjectsV2 response for the said bucket with other enumerated options.
-func generateListObjectsV2Response(bucket, prefix, token, nextToken, startAfter, delimiter, encodingType string, fetchOwner, isTruncated bool, maxKeys int, objects []ObjectInfo, prefixes []string, metadata metaCheckFn) ListObjectsV2Response {
+func generateListObjectsV2Response(ctx context.Context, bucket, prefix, token, nextToken, startAfter, delimiter, encodingType string, fetchOwner, isTruncated bool, maxKeys int, objects []ObjectInfo, prefixes []string, metadata metaCheckFn) ListObjectsV2Response {
 	contents := make([]Object, 0, len(objects))
 	var owner *Owner
 	if fetchOwner {
@@ -707,7 +707,7 @@ func generateListObjectsV2Response(bucket, prefix, token, nextToken, startAfter,
 		}
 		content.Size = object.Size
 		if object.StorageClass != "" {
-			content.StorageClass = object.StorageClass
+			content.StorageClass = filterStorageClass(ctx, object.StorageClass)
 		} else {
 			content.StorageClass = globalMinioDefaultStorageClass
 		}
@@ -789,8 +789,8 @@ func generateInitiateMultipartUploadResponse(bucket, key, uploadID string) Initi
 }

 // generates CompleteMultipartUploadResponse for given bucket, key, location and ETag.
-func generateCompleteMultpartUploadResponse(bucket, key, location string, oi ObjectInfo) CompleteMultipartUploadResponse {
-	cs := oi.decryptChecksums(0)
+func generateCompleteMultipartUploadResponse(bucket, key, location string, oi ObjectInfo, h http.Header) CompleteMultipartUploadResponse {
+	cs := oi.decryptChecksums(0, h)
 	c := CompleteMultipartUploadResponse{
 		Location: location,
 		Bucket:   bucket,
@@ -954,9 +954,9 @@ func writeErrorResponse(ctx context.Context, w http.ResponseWriter, err APIError

 	switch err.Code {
 	case "InvalidRegion":
-		err.Description = fmt.Sprintf("Region does not match; expecting '%s'.", globalSite.Region)
+		err.Description = fmt.Sprintf("Region does not match; expecting '%s'.", globalSite.Region())
 	case "AuthorizationHeaderMalformed":
-		err.Description = fmt.Sprintf("The authorization header is malformed; the region is wrong; expecting '%s'.", globalSite.Region)
+		err.Description = fmt.Sprintf("The authorization header is malformed; the region is wrong; expecting '%s'.", globalSite.Region())
 	}

 	// Similar check to http.checkWriteHeaderCode
@@ -24,7 +24,7 @@ import (
 	consoleapi "github.com/minio/console/api"
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/wildcard"
+	"github.com/minio/pkg/v3/wildcard"
 	"github.com/rs/cors"
 )

@@ -64,7 +64,7 @@ func setObjectLayer(o ObjectLayer) {
 	globalObjLayerMutex.Unlock()
 }

-// objectAPIHandler implements and provides http handlers for S3 API.
+// objectAPIHandlers implements and provides http handlers for S3 API.
 type objectAPIHandlers struct {
 	ObjectAPI func() ObjectLayer
 }
@@ -436,7 +436,7 @@ func registerAPIRouter(router *mux.Router) {
 			Queries("notification", "")
 		// ListenNotification
 		router.Methods(http.MethodGet).
-			HandlerFunc(s3APIMiddleware(api.ListenNotificationHandler, noThrottleS3HFlag)).
+			HandlerFunc(s3APIMiddleware(api.ListenNotificationHandler, noThrottleS3HFlag, traceHdrsS3HFlag)).
 			Queries("events", "{events:.*}")
 		// ResetBucketReplicationStatus - MinIO extension API
 		router.Methods(http.MethodGet).
@@ -615,7 +615,7 @@ func registerAPIRouter(router *mux.Router) {

 	// ListenNotification
 	apiRouter.Methods(http.MethodGet).Path(SlashSeparator).
-		HandlerFunc(s3APIMiddleware(api.ListenNotificationHandler, noThrottleS3HFlag)).
+		HandlerFunc(s3APIMiddleware(api.ListenNotificationHandler, noThrottleS3HFlag, traceHdrsS3HFlag)).
 		Queries("events", "{events:.*}")

 	// ListBuckets
@@ -41,7 +41,7 @@ import (
 	xjwt "github.com/minio/minio/internal/jwt"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/minio/internal/mcontext"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // Verify if request has JWT.
@@ -178,7 +178,7 @@ func validateAdminSignature(ctx context.Context, r *http.Request, region string)

 	logger.GetReqInfo(ctx).Cred = cred
 	logger.GetReqInfo(ctx).Owner = owner
-	logger.GetReqInfo(ctx).Region = globalSite.Region
+	logger.GetReqInfo(ctx).Region = globalSite.Region()

 	return cred, owner, ErrNone
 }
@@ -368,7 +368,7 @@ func authenticateRequest(ctx context.Context, r *http.Request, action policy.Act
 		}
 		cred, owner, s3Err = getReqAccessKeyV2(r)
 	case authTypeSigned, authTypePresigned:
-		region := globalSite.Region
+		region := globalSite.Region()
 		switch action {
 		case policy.GetBucketLocationAction, policy.ListAllMyBucketsAction:
 			region = ""
@@ -384,7 +384,7 @@ func authenticateRequest(ctx context.Context, r *http.Request, action policy.Act

 	logger.GetReqInfo(ctx).Cred = cred
 	logger.GetReqInfo(ctx).Owner = owner
-	logger.GetReqInfo(ctx).Region = globalSite.Region
+	logger.GetReqInfo(ctx).Region = globalSite.Region()

 	// region is valid only for CreateBucketAction.
 	var region string
@@ -684,7 +684,7 @@ func validateSignature(atype authType, r *http.Request) (auth.Credentials, bool,
 		}
 		cred, owner, s3Err = getReqAccessKeyV2(r)
 	case authTypePresigned, authTypeSigned:
-		region := globalSite.Region
+		region := globalSite.Region()
 		if s3Err = isReqAuthenticated(GlobalContext, r, region, serviceS3); s3Err != ErrNone {
 			return cred, owner, s3Err
 		}
@@ -745,7 +745,7 @@ func isPutRetentionAllowed(bucketName, objectName string, retDays int, retDate t
 func isPutActionAllowed(ctx context.Context, atype authType, bucketName, objectName string, r *http.Request, action policy.Action) (s3Err APIErrorCode) {
 	var cred auth.Credentials
 	var owner bool
-	region := globalSite.Region
+	region := globalSite.Region()
 	switch atype {
 	case authTypeUnknown:
 		return ErrSignatureVersionNotSupported
@@ -28,7 +28,7 @@ import (
 	"time"

 	"github.com/minio/minio/internal/auth"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 type nullReader struct{}
@@ -403,7 +403,7 @@ func TestIsReqAuthenticated(t *testing.T) {

 	// Validates all testcases.
 	for i, testCase := range testCases {
-		s3Error := isReqAuthenticated(ctx, testCase.req, globalSite.Region, serviceS3)
+		s3Error := isReqAuthenticated(ctx, testCase.req, globalSite.Region(), serviceS3)
 		if s3Error != testCase.s3Error {
 			if _, err := io.ReadAll(testCase.req.Body); toAPIErrorCode(ctx, err) != testCase.s3Error {
 				t.Fatalf("Test %d: Unexpected S3 error: want %d - got %d (got after reading request %s)", i, testCase.s3Error, s3Error, toAPIError(ctx, err).Code)
@@ -443,7 +443,7 @@ func TestCheckAdminRequestAuthType(t *testing.T) {
 		{Request: mustNewPresignedRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: ErrAccessDenied},
 	}
 	for i, testCase := range testCases {
-		if _, s3Error := checkAdminRequestAuth(ctx, testCase.Request, policy.AllAdminActions, globalSite.Region); s3Error != testCase.ErrCode {
+		if _, s3Error := checkAdminRequestAuth(ctx, testCase.Request, policy.AllAdminActions, globalSite.Region()); s3Error != testCase.ErrCode {
 			t.Errorf("Test %d: Unexpected s3error returned wanted %d, got %d", i, testCase.ErrCode, s3Error)
 		}
 	}
@@ -25,7 +25,7 @@ import (
 	"time"

 	"github.com/minio/madmin-go/v3"
-	"github.com/minio/pkg/v2/env"
+	"github.com/minio/pkg/v3/env"
 )

 // healTask represents what to heal along with options
@@ -33,7 +33,7 @@ import (
 	"github.com/minio/madmin-go/v3"
 	"github.com/minio/minio-go/v7/pkg/set"
 	"github.com/minio/minio/internal/config"
-	"github.com/minio/pkg/v2/env"
+	"github.com/minio/pkg/v3/env"
 )

 const (
@@ -141,14 +141,14 @@ func initHealingTracker(disk StorageAPI, healID string) *healingTracker {
 	return h
 }

-func (h healingTracker) getLastUpdate() time.Time {
+func (h *healingTracker) getLastUpdate() time.Time {
 	h.mu.RLock()
 	defer h.mu.RUnlock()

 	return h.LastUpdate
 }

-func (h healingTracker) getBucket() string {
+func (h *healingTracker) getBucket() string {
 	h.mu.RLock()
 	defer h.mu.RUnlock()

@@ -162,7 +162,7 @@ func (h *healingTracker) setBucket(bucket string) {
 	h.Bucket = bucket
 }

-func (h healingTracker) getObject() string {
+func (h *healingTracker) getObject() string {
 	h.mu.RLock()
 	defer h.mu.RUnlock()

@@ -453,10 +453,6 @@ func healFreshDisk(ctx context.Context, z *erasureServerPools, endpoint Endpoint

 	healingLogEvent(ctx, "Healing of drive '%s' is finished (healed: %d, skipped: %d, failed: %d).", disk, tracker.ItemsHealed, tracker.ItemsSkipped, tracker.ItemsFailed)

-	if len(tracker.QueuedBuckets) > 0 {
-		return fmt.Errorf("not all buckets were healed: %v", tracker.QueuedBuckets)
-	}
-
 	if serverDebugLog {
 		tracker.printTo(os.Stdout)
 		fmt.Printf("\n")
@@ -33,9 +33,9 @@ import (
 	"github.com/minio/minio/internal/bucket/versioning"
 	xhttp "github.com/minio/minio/internal/http"
 	xioutil "github.com/minio/minio/internal/ioutil"
-	"github.com/minio/pkg/v2/env"
-	"github.com/minio/pkg/v2/wildcard"
-	"github.com/minio/pkg/v2/workers"
+	"github.com/minio/pkg/v3/env"
+	"github.com/minio/pkg/v3/wildcard"
+	"github.com/minio/pkg/v3/workers"
 	"gopkg.in/yaml.v3"
 )

@@ -432,7 +432,7 @@ func batchObjsForDelete(ctx context.Context, r *BatchJobExpire, ri *batchJobInfo
 					})
 					if err != nil {
 						stopFn(exp, err)
-						batchLogIf(ctx, fmt.Errorf("Failed to expire %s/%s versionID=%s due to %v (attempts=%d)", toExpire[i].Bucket, toExpire[i].Name, toExpire[i].VersionID, err, attempts))
+						batchLogIf(ctx, fmt.Errorf("Failed to expire %s/%s due to %v (attempts=%d)", exp.Bucket, exp.Name, err, attempts))
 					} else {
 						stopFn(exp, err)
 						success = true
@@ -464,13 +464,13 @@ func batchObjsForDelete(ctx context.Context, r *BatchJobExpire, ri *batchJobInfo
 				copy(toDelCopy, toDel)
 				var failed int
 				errs := r.Expire(ctx, api, vc, toDel)
-				// reslice toDel in preparation for next retry
-				// attempt
+				// reslice toDel in preparation for next retry attempt
 				toDel = toDel[:0]
 				for i, err := range errs {
 					if err != nil {
 						stopFn(toDelCopy[i], err)
-						batchLogIf(ctx, fmt.Errorf("Failed to expire %s/%s versionID=%s due to %v (attempts=%d)", ri.Bucket, toDelCopy[i].ObjectName, toDelCopy[i].VersionID, err, attempts))
+						batchLogIf(ctx, fmt.Errorf("Failed to expire %s/%s versionID=%s due to %v (attempts=%d)", ri.Bucket, toDelCopy[i].ObjectName, toDelCopy[i].VersionID,
+							err, attempts))
 						failed++
 						if oi, ok := oiCache.Get(toDelCopy[i]); ok {
 							ri.trackCurrentBucketObject(r.Bucket, *oi, false, attempts)
@@ -48,10 +48,10 @@ import (
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/ioutil"
 	xioutil "github.com/minio/minio/internal/ioutil"
-	"github.com/minio/pkg/v2/console"
-	"github.com/minio/pkg/v2/env"
-	"github.com/minio/pkg/v2/policy"
-	"github.com/minio/pkg/v2/workers"
+	"github.com/minio/pkg/v3/console"
+	"github.com/minio/pkg/v3/env"
+	"github.com/minio/pkg/v3/policy"
+	"github.com/minio/pkg/v3/workers"
 	"gopkg.in/yaml.v3"
 )

@@ -1476,7 +1476,7 @@ func (j *BatchJobRequest) load(ctx context.Context, api ObjectLayer, name string

 func batchReplicationOpts(ctx context.Context, sc string, objInfo ObjectInfo) (putOpts miniogo.PutObjectOptions, err error) {
 	// TODO: support custom storage class for remote replication
-	putOpts, err = putReplicationOpts(ctx, "", objInfo)
+	putOpts, err = putReplicationOpts(ctx, "", objInfo, 0)
 	if err != nil {
 		return putOpts, err
 	}
@@ -1633,7 +1633,7 @@ func (a adminAPIHandlers) StartBatchJob(w http.ResponseWriter, r *http.Request)
 		return
 	}

-	job.ID = fmt.Sprintf("%s:%d", shortuuid.New(), GetProxyEndpointLocalIndex(globalProxyEndpoints))
+	job.ID = fmt.Sprintf("%s%s%d", shortuuid.New(), getKeySeparator(), GetProxyEndpointLocalIndex(globalProxyEndpoints))
 	job.User = user
 	job.Started = time.Now()

@@ -23,7 +23,7 @@ import (
 	"time"

 	"github.com/dustin/go-humanize"
-	"github.com/minio/pkg/v2/wildcard"
+	"github.com/minio/pkg/v3/wildcard"
 	"gopkg.in/yaml.v3"
 )

@@ -33,8 +33,8 @@ import (
 	"github.com/minio/minio/internal/crypto"
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/kms"
-	"github.com/minio/pkg/v2/env"
-	"github.com/minio/pkg/v2/workers"
+	"github.com/minio/pkg/v3/env"
+	"github.com/minio/pkg/v3/workers"
 )

 // keyrotate:
@@ -26,15 +26,17 @@ import (

 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/ioutil"
+	"github.com/minio/minio/internal/ringbuffer"
 )

 // Calculates bitrot in chunks and writes the hash into the stream.
 type streamingBitrotWriter struct {
 	iow          io.WriteCloser
-	closeWithErr func(err error) error
+	closeWithErr func(err error)
 	h            hash.Hash
 	shardSize    int64
 	canClose     *sync.WaitGroup
+	byteBuf      []byte
 }

 func (b *streamingBitrotWriter) Write(p []byte) (int, error) {
@@ -62,7 +64,10 @@ func (b *streamingBitrotWriter) Write(p []byte) (int, error) {
 }

 func (b *streamingBitrotWriter) Close() error {
+	// Close the underlying writer.
+	// This will also flush the ring buffer if used.
 	err := b.iow.Close()
+
 	// Wait for all data to be written before returning else it causes race conditions.
 	// Race condition is because of io.PipeWriter implementation. i.e consider the following
 	// sequent of operations:
@@ -73,29 +78,34 @@ func (b *streamingBitrotWriter) Close() error {
 	if b.canClose != nil {
 		b.canClose.Wait()
 	}
+
+	// Recycle the buffer.
+	if b.byteBuf != nil {
+		globalBytePoolCap.Load().Put(b.byteBuf)
+		b.byteBuf = nil
+	}
 	return err
 }

 // newStreamingBitrotWriterBuffer returns streaming bitrot writer implementation.
 // The output is written to the supplied writer w.
 func newStreamingBitrotWriterBuffer(w io.Writer, algo BitrotAlgorithm, shardSize int64) io.Writer {
-	return &streamingBitrotWriter{iow: ioutil.NopCloser(w), h: algo.New(), shardSize: shardSize, canClose: nil, closeWithErr: func(err error) error {
-		// Similar to CloseWithError on pipes we always return nil.
-		return nil
-	}}
+	return &streamingBitrotWriter{iow: ioutil.NopCloser(w), h: algo.New(), shardSize: shardSize, canClose: nil, closeWithErr: func(err error) {}}
 }

 // Returns streaming bitrot writer implementation.
 func newStreamingBitrotWriter(disk StorageAPI, origvolume, volume, filePath string, length int64, algo BitrotAlgorithm, shardSize int64) io.Writer {
-	r, w := io.Pipe()
 	h := algo.New()
+	buf := globalBytePoolCap.Load().Get()
+	rb := ringbuffer.NewBuffer(buf[:cap(buf)]).SetBlocking(true)

 	bw := &streamingBitrotWriter{
-		iow:          ioutil.NewDeadlineWriter(w, globalDriveConfig.GetMaxTimeout()),
-		closeWithErr: w.CloseWithError,
+		iow:          ioutil.NewDeadlineWriter(rb.WriteCloser(), globalDriveConfig.GetMaxTimeout()),
+		closeWithErr: rb.CloseWithError,
 		h:            h,
 		shardSize:    shardSize,
 		canClose:     &sync.WaitGroup{},
+		byteBuf:      buf,
 	}
 	bw.canClose.Add(1)
 	go func() {
@@ -106,7 +116,7 @@ func newStreamingBitrotWriter(disk StorageAPI, origvolume, volume, filePath stri
 			bitrotSumsTotalSize := ceilFrac(length, shardSize) * int64(h.Size()) // Size used for storing bitrot checksums.
 			totalFileSize = bitrotSumsTotalSize + length
 		}
-		r.CloseWithError(disk.CreateFile(context.TODO(), origvolume, volume, filePath, totalFileSize, r))
+		rb.CloseWithError(disk.CreateFile(context.TODO(), origvolume, volume, filePath, totalFileSize, rb))
 	}()
 	return bw
 }
@@ -19,9 +19,13 @@ package cmd

 import (
 	"context"
+	"crypto/md5"
+	"encoding/hex"
 	"errors"
 	"fmt"
+	"io"
 	"math/rand"
+	"os"
 	"reflect"
 	"strings"
 	"sync"
@@ -30,7 +34,7 @@ import (
 	"github.com/minio/minio-go/v7/pkg/set"
 	"github.com/minio/minio/internal/grid"
 	"github.com/minio/minio/internal/logger"
-	"github.com/minio/pkg/v2/env"
+	"github.com/minio/pkg/v3/env"
 )

 // To abstract a node over network.
@@ -43,10 +47,15 @@ type ServerSystemConfig struct {
 	NEndpoints int
 	CmdLines   []string
 	MinioEnv   map[string]string
+	Checksum   string
 }

 // Diff - returns error on first difference found in two configs.
 func (s1 *ServerSystemConfig) Diff(s2 *ServerSystemConfig) error {
+	if s1.Checksum != s2.Checksum {
+		return fmt.Errorf("Expected MinIO binary checksum: %s, seen: %s", s1.Checksum, s2.Checksum)
+	}
+
 	ns1 := s1.NEndpoints
 	ns2 := s2.NEndpoints
 	if ns1 != ns2 {
@@ -82,7 +91,7 @@ func (s1 *ServerSystemConfig) Diff(s2 *ServerSystemConfig) error {
 			extra = append(extra, k)
 		}
 	}
-	msg := "Expected same MINIO_ environment variables and values across all servers: "
+	msg := "Expected MINIO_* environment name and values across all servers to be same: "
 	if len(missing) > 0 {
 		msg += fmt.Sprintf(`Missing environment values: %v. `, missing)
 	}
@@ -120,7 +129,7 @@ func getServerSystemCfg() *ServerSystemConfig {
 		}
 		envValues[envK] = logger.HashString(env.Get(envK, ""))
 	}
-	scfg := &ServerSystemConfig{NEndpoints: globalEndpoints.NEndpoints(), MinioEnv: envValues}
+	scfg := &ServerSystemConfig{NEndpoints: globalEndpoints.NEndpoints(), MinioEnv: envValues, Checksum: binaryChecksum}
 	var cmdLines []string
 	for _, ep := range globalEndpoints {
 		cmdLines = append(cmdLines, ep.CmdLine)
@@ -167,6 +176,18 @@ func (client *bootstrapRESTClient) String() string {
 	return client.gridConn.String()
 }

+var binaryChecksum = getBinaryChecksum()
+
+func getBinaryChecksum() string {
+	mw := md5.New()
+	b, err := os.Open(os.Args[0])
+	if err == nil {
+		defer b.Close()
+		io.Copy(mw, b)
+	}
+	return hex.EncodeToString(mw.Sum(nil))
+}
+
 func verifyServerSystemConfig(ctx context.Context, endpointServerPools EndpointServerPools, gm *grid.Manager) error {
 	srcCfg := getServerSystemCfg()
 	clnts := newBootstrapRESTClients(endpointServerPools, gm)
@@ -196,7 +217,7 @@ func verifyServerSystemConfig(ctx context.Context, endpointServerPools EndpointS
 				err := clnt.Verify(ctx, srcCfg)
 				mu.Lock()
 				if err != nil {
-					bootstrapTraceMsg(fmt.Sprintf("clnt.Verify: %v, endpoint: %s", err, clnt))
+					bootstrapTraceMsg(fmt.Sprintf("bootstrapVerify: %v, endpoint: %s", err, clnt))
 					if !isNetworkError(err) {
 						bootLogOnceIf(context.Background(), fmt.Errorf("%s has incorrect configuration: %w", clnt, err), "incorrect_"+clnt.String())
 						incorrectConfigs = append(incorrectConfigs, fmt.Errorf("%s has incorrect configuration: %w", clnt, err))
@@ -79,6 +79,12 @@ func (z *ServerSystemConfig) DecodeMsg(dc *msgp.Reader) (err error) {
 				}
 				z.MinioEnv[za0002] = za0003
 			}
+		case "Checksum":
+			z.Checksum, err = dc.ReadString()
+			if err != nil {
+				err = msgp.WrapError(err, "Checksum")
+				return
+			}
 		default:
 			err = dc.Skip()
 			if err != nil {
@@ -92,9 +98,9 @@ func (z *ServerSystemConfig) DecodeMsg(dc *msgp.Reader) (err error) {

 // EncodeMsg implements msgp.Encodable
 func (z *ServerSystemConfig) EncodeMsg(en *msgp.Writer) (err error) {
-	// map header, size 3
+	// map header, size 4
 	// write "NEndpoints"
-	err = en.Append(0x83, 0xaa, 0x4e, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x73)
+	err = en.Append(0x84, 0xaa, 0x4e, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x73)
 	if err != nil {
 		return
 	}
@@ -142,15 +148,25 @@ func (z *ServerSystemConfig) EncodeMsg(en *msgp.Writer) (err error) {
 			return
 		}
 	}
+	// write "Checksum"
+	err = en.Append(0xa8, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d)
+	if err != nil {
+		return
+	}
+	err = en.WriteString(z.Checksum)
+	if err != nil {
+		err = msgp.WrapError(err, "Checksum")
+		return
+	}
 	return
 }

 // MarshalMsg implements msgp.Marshaler
 func (z *ServerSystemConfig) MarshalMsg(b []byte) (o []byte, err error) {
 	o = msgp.Require(b, z.Msgsize())
-	// map header, size 3
+	// map header, size 4
 	// string "NEndpoints"
-	o = append(o, 0x83, 0xaa, 0x4e, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x73)
+	o = append(o, 0x84, 0xaa, 0x4e, 0x45, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x73)
 	o = msgp.AppendInt(o, z.NEndpoints)
 	// string "CmdLines"
 	o = append(o, 0xa8, 0x43, 0x6d, 0x64, 0x4c, 0x69, 0x6e, 0x65, 0x73)
@@ -165,6 +181,9 @@ func (z *ServerSystemConfig) MarshalMsg(b []byte) (o []byte, err error) {
 		o = msgp.AppendString(o, za0002)
 		o = msgp.AppendString(o, za0003)
 	}
+	// string "Checksum"
+	o = append(o, 0xa8, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x73, 0x75, 0x6d)
+	o = msgp.AppendString(o, z.Checksum)
 	return
 }

@@ -241,6 +260,12 @@ func (z *ServerSystemConfig) UnmarshalMsg(bts []byte) (o []byte, err error) {
 				}
 				z.MinioEnv[za0002] = za0003
 			}
+		case "Checksum":
+			z.Checksum, bts, err = msgp.ReadStringBytes(bts)
+			if err != nil {
+				err = msgp.WrapError(err, "Checksum")
+				return
+			}
 		default:
 			bts, err = msgp.Skip(bts)
 			if err != nil {
@@ -266,5 +291,6 @@ func (z *ServerSystemConfig) Msgsize() (s int) {
 			s += msgp.StringPrefixSize + len(za0002) + msgp.StringPrefixSize + len(za0003)
 		}
 	}
+	s += 9 + msgp.StringPrefixSize + len(z.Checksum)
 	return
 }
@@ -30,7 +30,7 @@ import (
 	"github.com/minio/minio/internal/kms"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 const (
@@ -51,7 +51,6 @@ import (
 	sse "github.com/minio/minio/internal/bucket/encryption"
 	objectlock "github.com/minio/minio/internal/bucket/object/lock"
 	"github.com/minio/minio/internal/bucket/replication"
-	"github.com/minio/minio/internal/config/cache"
 	"github.com/minio/minio/internal/config/dns"
 	"github.com/minio/minio/internal/crypto"
 	"github.com/minio/minio/internal/event"
@@ -61,8 +60,8 @@ import (
 	"github.com/minio/minio/internal/ioutil"
 	"github.com/minio/minio/internal/kms"
 	"github.com/minio/minio/internal/logger"
-	"github.com/minio/pkg/v2/policy"
-	"github.com/minio/pkg/v2/sync/errgroup"
+	"github.com/minio/pkg/v3/policy"
+	"github.com/minio/pkg/v3/sync/errgroup"
 )

 const (
@@ -72,6 +71,8 @@ const (

 	xMinIOErrCodeHeader = "x-minio-error-code"
 	xMinIOErrDescHeader = "x-minio-error-desc"
+
+	postPolicyBucketTagging = "tagging"
 )

 // Check if there are buckets on server without corresponding entry in etcd backend and
@@ -90,7 +91,7 @@ const (
 // -- If IP of the entry doesn't match, this means entry is
 //
 //	for another instance. Log an error to console.
-func initFederatorBackend(buckets []BucketInfo, objLayer ObjectLayer) {
+func initFederatorBackend(buckets []string, objLayer ObjectLayer) {
 	if len(buckets) == 0 {
 		return
 	}
@@ -111,10 +112,10 @@ func initFederatorBackend(buckets []BucketInfo, objLayer ObjectLayer) {
 	domainMissing := err == dns.ErrDomainMissing
 	if dnsBuckets != nil {
 		for _, bucket := range buckets {
-			bucketsSet.Add(bucket.Name)
-			r, ok := dnsBuckets[bucket.Name]
+			bucketsSet.Add(bucket)
+			r, ok := dnsBuckets[bucket]
 			if !ok {
-				bucketsToBeUpdated.Add(bucket.Name)
+				bucketsToBeUpdated.Add(bucket)
 				continue
 			}
 			if !globalDomainIPs.Intersection(set.CreateStringSet(getHostsSlice(r)...)).IsEmpty() {
@@ -133,7 +134,7 @@ func initFederatorBackend(buckets []BucketInfo, objLayer ObjectLayer) {
 				// but if we do see a difference with local domain IPs with
 				// hostSlice from etcd then we should update with newer
 				// domainIPs, we proceed to do that here.
-				bucketsToBeUpdated.Add(bucket.Name)
+				bucketsToBeUpdated.Add(bucket)
 				continue
 			}

@@ -142,7 +143,7 @@ func initFederatorBackend(buckets []BucketInfo, objLayer ObjectLayer) {
 			// bucket names are globally unique in federation at a given
 			// path prefix, name collision is not allowed. We simply log
 			// an error and continue.
-			bucketsInConflict.Add(bucket.Name)
+			bucketsInConflict.Add(bucket)
 		}
 	}

@@ -227,7 +228,7 @@ func (api objectAPIHandlers) GetBucketLocationHandler(w http.ResponseWriter, r *
 	// Generate response.
 	encodedSuccessResponse := encodeResponse(LocationResponse{})
 	// Get current region.
-	region := globalSite.Region
+	region := globalSite.Region()
 	if region != globalMinioDefaultRegion {
 		encodedSuccessResponse = encodeResponse(LocationResponse{
 			Location: region,
@@ -1340,22 +1341,6 @@ func (api objectAPIHandlers) PostPolicyBucketHandler(w http.ResponseWriter, r *h
 					continue
 				}

-				asize, err := objInfo.GetActualSize()
-				if err != nil {
-					asize = objInfo.Size
-				}
-
-				globalCacheConfig.Set(&cache.ObjectInfo{
-					Key:          objInfo.Name,
-					Bucket:       objInfo.Bucket,
-					ETag:         getDecryptedETag(formValues, objInfo, false),
-					ModTime:      objInfo.ModTime,
-					Expires:      objInfo.Expires.UTC().Format(http.TimeFormat),
-					CacheControl: objInfo.CacheControl,
-					Metadata:     cleanReservedKeys(objInfo.UserDefined),
-					Size:         asize,
-				})
-
 				fanOutResp = append(fanOutResp, minio.PutObjectFanOutResponse{
 					Key:          objInfo.Name,
 					ETag:         getDecryptedETag(formValues, objInfo, false),
@@ -1415,6 +1400,19 @@ func (api objectAPIHandlers) PostPolicyBucketHandler(w http.ResponseWriter, r *h
 		return
 	}

+	if formValues.Get(postPolicyBucketTagging) != "" {
+		tags, err := tags.ParseObjectXML(strings.NewReader(formValues.Get(postPolicyBucketTagging)))
+		if err != nil {
+			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrMalformedPOSTRequest), r.URL)
+			return
+		}
+		tagsStr := tags.String()
+		opts.UserDefined[xhttp.AmzObjectTagging] = tagsStr
+	} else {
+		// avoid user set an invalid tag using `X-Amz-Tagging`
+		delete(opts.UserDefined, xhttp.AmzObjectTagging)
+	}
+
 	objInfo, err := objectAPI.PutObject(ctx, bucket, object, pReader, opts)
 	if err != nil {
 		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
@@ -1437,22 +1435,6 @@ func (api objectAPIHandlers) PostPolicyBucketHandler(w http.ResponseWriter, r *h
 		w.Header().Set(xhttp.Location, obj)
 	}

-	asize, err := objInfo.GetActualSize()
-	if err != nil {
-		asize = objInfo.Size
-	}
-
-	defer globalCacheConfig.Set(&cache.ObjectInfo{
-		Key:          objInfo.Name,
-		Bucket:       objInfo.Bucket,
-		ETag:         etag,
-		ModTime:      objInfo.ModTime,
-		Expires:      objInfo.ExpiresStr(),
-		CacheControl: objInfo.CacheControl,
-		Metadata:     cleanReservedKeys(objInfo.UserDefined),
-		Size:         asize,
-	})
-
 	// Notify object created event.
 	defer sendEvent(eventArgs{
 		EventName:    event.ObjectCreatedPost,
@@ -32,7 +32,7 @@ import (

 // Wrapper for calling RemoveBucket HTTP handler tests for both Erasure multiple disks and single node setup.
 func TestRemoveBucketHandler(t *testing.T) {
-	ExecObjectLayerAPITest(t, testRemoveBucketHandler, []string{"RemoveBucket"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testRemoveBucketHandler, endpoints: []string{"RemoveBucket"}})
 }

 func testRemoveBucketHandler(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
@@ -78,7 +78,7 @@ func testRemoveBucketHandler(obj ObjectLayer, instanceType, bucketName string, a

 // Wrapper for calling GetBucketPolicy HTTP handler tests for both Erasure multiple disks and single node setup.
 func TestGetBucketLocationHandler(t *testing.T) {
-	ExecObjectLayerAPITest(t, testGetBucketLocationHandler, []string{"GetBucketLocation"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testGetBucketLocationHandler, endpoints: []string{"GetBucketLocation"}})
 }

 func testGetBucketLocationHandler(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
@@ -220,7 +220,7 @@ func testGetBucketLocationHandler(obj ObjectLayer, instanceType, bucketName stri

 // Wrapper for calling HeadBucket HTTP handler tests for both Erasure multiple disks and single node setup.
 func TestHeadBucketHandler(t *testing.T) {
-	ExecObjectLayerAPITest(t, testHeadBucketHandler, []string{"HeadBucket"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testHeadBucketHandler, endpoints: []string{"HeadBucket"}})
 }

 func testHeadBucketHandler(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
@@ -322,7 +322,7 @@ func testHeadBucketHandler(obj ObjectLayer, instanceType, bucketName string, api

 // Wrapper for calling TestListMultipartUploadsHandler tests for both Erasure multiple disks and single node setup.
 func TestListMultipartUploadsHandler(t *testing.T) {
-	ExecObjectLayerAPITest(t, testListMultipartUploadsHandler, []string{"ListMultipartUploads"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testListMultipartUploadsHandler, endpoints: []string{"ListMultipartUploads"}})
 }

 // testListMultipartUploadsHandler - Tests validate listing of multipart uploads.
@@ -558,7 +558,7 @@ func testListMultipartUploadsHandler(obj ObjectLayer, instanceType, bucketName s

 // Wrapper for calling TestListBucketsHandler tests for both Erasure multiple disks and single node setup.
 func TestListBucketsHandler(t *testing.T) {
-	ExecObjectLayerAPITest(t, testListBucketsHandler, []string{"ListBuckets"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testListBucketsHandler, endpoints: []string{"ListBuckets"}})
 }

 // testListBucketsHandler - Tests validate listing of buckets.
@@ -649,7 +649,7 @@ func testListBucketsHandler(obj ObjectLayer, instanceType, bucketName string, ap

 // Wrapper for calling DeleteMultipleObjects HTTP handler tests for both Erasure multiple disks and single node setup.
 func TestAPIDeleteMultipleObjectsHandler(t *testing.T) {
-	ExecObjectLayerAPITest(t, testAPIDeleteMultipleObjectsHandler, []string{"DeleteMultipleObjects", "PutBucketPolicy"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testAPIDeleteMultipleObjectsHandler, endpoints: []string{"DeleteMultipleObjects", "PutBucketPolicy"}})
 }

 func testAPIDeleteMultipleObjectsHandler(obj ObjectLayer, instanceType, bucketName string, apiRouter http.Handler,
@@ -28,7 +28,7 @@ import (
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 const (
@@ -64,7 +64,8 @@ func (api objectAPIHandlers) PutBucketLifecycleHandler(w http.ResponseWriter, r
 	}

 	// Check if bucket exists.
-	if _, err := objAPI.GetBucketInfo(ctx, bucket, BucketOptions{}); err != nil {
+	rcfg, err := globalBucketObjectLockSys.Get(bucket)
+	if err != nil {
 		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
 		return
 	}
@@ -76,7 +77,7 @@ func (api objectAPIHandlers) PutBucketLifecycleHandler(w http.ResponseWriter, r
 	}

 	// Validate the received bucket policy document
-	if err = bucketLifecycle.Validate(); err != nil {
+	if err = bucketLifecycle.Validate(rcfg); err != nil {
 		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
 		return
 	}
@@ -29,7 +29,7 @@ import (

 // Test S3 Bucket lifecycle APIs with wrong credentials
 func TestBucketLifecycleWrongCredentials(t *testing.T) {
-	ExecObjectLayerAPITest(t, testBucketLifecycleHandlersWrongCredentials, []string{"GetBucketLifecycle", "PutBucketLifecycle", "DeleteBucketLifecycle"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testBucketLifecycleHandlersWrongCredentials, endpoints: []string{"GetBucketLifecycle", "PutBucketLifecycle", "DeleteBucketLifecycle"}})
 }

 // Test for authentication
@@ -145,7 +145,7 @@ func testBucketLifecycleHandlersWrongCredentials(obj ObjectLayer, instanceType,

 // Test S3 Bucket lifecycle APIs
 func TestBucketLifecycle(t *testing.T) {
-	ExecObjectLayerAPITest(t, testBucketLifecycleHandlers, []string{"GetBucketLifecycle", "PutBucketLifecycle", "DeleteBucketLifecycle"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testBucketLifecycleHandlers, endpoints: []string{"GetBucketLifecycle", "PutBucketLifecycle", "DeleteBucketLifecycle"}})
 }

 // Simple tests of bucket lifecycle: PUT, GET, DELETE.
@@ -40,7 +40,7 @@ import (
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/minio/internal/s3select"
-	xnet "github.com/minio/pkg/v2/net"
+	xnet "github.com/minio/pkg/v3/net"
 	"github.com/zeebo/xxh3"
 )

@@ -72,6 +72,7 @@ func NewLifecycleSys() *LifecycleSys {
 }

 func ilmTrace(startTime time.Time, duration time.Duration, oi ObjectInfo, event string) madmin.TraceInfo {
+	sz, _ := oi.GetActualSize()
 	return madmin.TraceInfo{
 		TraceType: madmin.TraceILM,
 		Time:      startTime,
@@ -79,6 +80,7 @@ func ilmTrace(startTime time.Time, duration time.Duration, oi ObjectInfo, event
 		FuncName:  event,
 		Duration:  duration,
 		Path:      pathJoin(oi.Bucket, oi.Name),
+		Bytes:     sz,
 		Error:     "",
 		Message:   getSource(4),
 		Custom:    map[string]string{"version-id": oi.VersionID},
@@ -277,6 +279,10 @@ func (es *expiryState) getWorkerCh(h uint64) chan<- expiryOp {
 }

 func (es *expiryState) ResizeWorkers(n int) {
+	if n == 0 {
+		n = 100
+	}
+
 	// Lock to avoid multiple resizes to happen at the same time.
 	es.mu.Lock()
 	defer es.mu.Unlock()
@@ -538,6 +544,10 @@ func (t *transitionState) UpdateWorkers(n int) {
 }

 func (t *transitionState) updateWorkers(n int) {
+	if n == 0 {
+		n = 100
+	}
+
 	for t.numWorkers < n {
 		go t.worker(t.objAPI)
 		t.numWorkers++
@@ -573,6 +583,10 @@ func enqueueTransitionImmediate(obj ObjectInfo, src lcEventSrc) {
 	if lc, err := globalLifecycleSys.Get(obj.Bucket); err == nil {
 		switch event := lc.Eval(obj.ToLifecycleOpts()); event.Action {
 		case lifecycle.TransitionAction, lifecycle.TransitionVersionAction:
+			if obj.DeleteMarker || obj.IsDir {
+				// nothing to transition
+				return
+			}
 			globalTransitionState.queueTransitionTask(obj, event, src)
 		}
 	}
@@ -663,11 +677,12 @@ func genTransitionObjName(bucket string) (string, error) {
 // is moved to the transition tier. Note that in the case of encrypted objects, entire encrypted stream is moved
 // to the transition tier without decrypting or re-encrypting.
 func transitionObject(ctx context.Context, objectAPI ObjectLayer, oi ObjectInfo, lae lcAuditEvent) (err error) {
+	timeILM := globalScannerMetrics.timeILM(lae.Action)
 	defer func() {
 		if err != nil {
 			return
 		}
-		globalScannerMetrics.timeILM(lae.Action)(1)
+		timeILM(1)
 	}()

 	opts := ObjectOptions{
@@ -726,7 +741,7 @@ func getTransitionedObjectReader(ctx context.Context, bucket, object string, rs
 		return nil, fmt.Errorf("transition storage class not configured: %w", err)
 	}

-	fn, off, length, err := NewGetObjectReader(rs, oi, opts)
+	fn, off, length, err := NewGetObjectReader(rs, oi, opts, h)
 	if err != nil {
 		return nil, ErrorRespToObjectError(err, bucket, object)
 	}
@@ -26,7 +26,7 @@ import (
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"

-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // Validate all the ListObjects query arguments, returns an APIErrorCode
@@ -124,7 +124,7 @@ func (api objectAPIHandlers) listObjectVersionsHandler(w http.ResponseWriter, r
 		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
 		return
 	}
-	response := generateListVersionsResponse(bucket, prefix, marker, versionIDMarker, delimiter, encodingType, maxkeys, listObjectVersionsInfo, checkObjMeta)
+	response := generateListVersionsResponse(ctx, bucket, prefix, marker, versionIDMarker, delimiter, encodingType, maxkeys, listObjectVersionsInfo, checkObjMeta)

 	// Write success response.
 	writeSuccessResponseXML(w, encodeResponseList(response))
@@ -202,7 +202,7 @@ func (api objectAPIHandlers) listObjectsV2Handler(ctx context.Context, w http.Re

 	if r.Header.Get(xMinIOExtract) == "true" && strings.Contains(prefix, archivePattern) {
 		// Initiate a list objects operation inside a zip file based in the input params
-		listObjectsV2Info, err = listObjectsV2InArchive(ctx, objectAPI, bucket, prefix, token, delimiter, maxKeys, fetchOwner, startAfter)
+		listObjectsV2Info, err = listObjectsV2InArchive(ctx, objectAPI, bucket, prefix, token, delimiter, maxKeys, startAfter, r.Header)
 	} else {
 		// Initiate a list objects operation based on the input params.
 		// On success would return back ListObjectsInfo object to be
@@ -219,7 +219,7 @@ func (api objectAPIHandlers) listObjectsV2Handler(ctx context.Context, w http.Re
 		return
 	}

-	response := generateListObjectsV2Response(bucket, prefix, token, listObjectsV2Info.NextContinuationToken, startAfter,
+	response := generateListObjectsV2Response(ctx, bucket, prefix, token, listObjectsV2Info.NextContinuationToken, startAfter,
 		delimiter, encodingType, fetchOwner, listObjectsV2Info.IsTruncated,
 		maxKeys, listObjectsV2Info.Objects, listObjectsV2Info.Prefixes, checkObjMeta)

@@ -231,7 +231,7 @@ func parseRequestToken(token string) (subToken string, nodeIndex int) {
 	if token == "" {
 		return token, -1
 	}
-	i := strings.Index(token, ":")
+	i := strings.Index(token, getKeySeparator())
 	if i < 0 {
 		return token, -1
 	}
@@ -318,7 +318,7 @@ func (api objectAPIHandlers) ListObjectsV1Handler(w http.ResponseWriter, r *http
 		return
 	}

-	response := generateListObjectsV1Response(bucket, prefix, marker, delimiter, encodingType, maxKeys, listObjectsInfo)
+	response := generateListObjectsV1Response(ctx, bucket, prefix, marker, delimiter, encodingType, maxKeys, listObjectsInfo)

 	// Write success response.
 	writeSuccessResponseXML(w, encodeResponseList(response))
@@ -37,8 +37,8 @@ import (
 	"github.com/minio/minio/internal/event"
 	"github.com/minio/minio/internal/kms"
 	"github.com/minio/minio/internal/logger"
-	"github.com/minio/pkg/v2/policy"
-	"github.com/minio/pkg/v2/sync/errgroup"
+	"github.com/minio/pkg/v3/policy"
+	"github.com/minio/pkg/v3/sync/errgroup"
 )

 // BucketMetadataSys captures all bucket metadata for a given cluster.
@@ -392,9 +392,7 @@ func (sys *BucketMetadataSys) GetReplicationConfig(ctx context.Context, bucket s
 		return nil, time.Time{}, BucketReplicationConfigNotFound{Bucket: bucket}
 	}
 	if reloaded {
-		globalBucketTargetSys.set(BucketInfo{
-			Name: bucket,
-		}, meta)
+		globalBucketTargetSys.set(bucket, meta)
 	}
 	return meta.replicationConfig, meta.ReplicationConfigUpdatedAt, nil
 }
@@ -413,9 +411,7 @@ func (sys *BucketMetadataSys) GetBucketTargetsConfig(bucket string) (*madmin.Buc
 		return nil, BucketRemoteTargetNotFound{Bucket: bucket}
 	}
 	if reloaded {
-		globalBucketTargetSys.set(BucketInfo{
-			Name: bucket,
-		}, meta)
+		globalBucketTargetSys.set(bucket, meta)
 	}
 	return meta.bucketTargetConfig, nil
 }
@@ -471,7 +467,7 @@ func (sys *BucketMetadataSys) GetConfig(ctx context.Context, bucket string) (met
 }

 // Init - initializes bucket metadata system for all buckets.
-func (sys *BucketMetadataSys) Init(ctx context.Context, buckets []BucketInfo, objAPI ObjectLayer) error {
+func (sys *BucketMetadataSys) Init(ctx context.Context, buckets []string, objAPI ObjectLayer) error {
 	if objAPI == nil {
 		return errServerNotInitialized
 	}
@@ -484,7 +480,7 @@ func (sys *BucketMetadataSys) Init(ctx context.Context, buckets []BucketInfo, ob
 }

 // concurrently load bucket metadata to speed up loading bucket metadata.
-func (sys *BucketMetadataSys) concurrentLoad(ctx context.Context, buckets []BucketInfo, failedBuckets map[string]struct{}) {
+func (sys *BucketMetadataSys) concurrentLoad(ctx context.Context, buckets []string, failedBuckets map[string]struct{}) {
 	g := errgroup.WithNErrs(len(buckets))
 	bucketMetas := make([]BucketMetadata, len(buckets))
 	for index := range buckets {
@@ -494,8 +490,8 @@ func (sys *BucketMetadataSys) concurrentLoad(ctx context.Context, buckets []Buck
 			// herd upon start up sequence.
 			time.Sleep(25*time.Millisecond + time.Duration(rand.Int63n(int64(100*time.Millisecond))))

-			_, _ = sys.objAPI.HealBucket(ctx, buckets[index].Name, madmin.HealOpts{Recreate: true})
-			meta, err := loadBucketMetadata(ctx, sys.objAPI, buckets[index].Name)
+			_, _ = sys.objAPI.HealBucket(ctx, buckets[index], madmin.HealOpts{Recreate: true})
+			meta, err := loadBucketMetadata(ctx, sys.objAPI, buckets[index])
 			if err != nil {
 				return err
 			}
@@ -508,7 +504,7 @@ func (sys *BucketMetadataSys) concurrentLoad(ctx context.Context, buckets []Buck
 	for index, err := range errs {
 		if err != nil {
 			internalLogOnceIf(ctx, fmt.Errorf("Unable to load bucket metadata, will be retried: %w", err),
-				"load-bucket-metadata-"+buckets[index].Name, logger.WarningKind)
+				"load-bucket-metadata-"+buckets[index], logger.WarningKind)
 		}
 	}

@@ -519,7 +515,7 @@ func (sys *BucketMetadataSys) concurrentLoad(ctx context.Context, buckets []Buck
 		if errs[i] != nil {
 			continue
 		}
-		sys.metadataMap[buckets[i].Name] = meta
+		sys.metadataMap[buckets[i]] = meta
 	}
 	sys.Unlock()

@@ -528,7 +524,7 @@ func (sys *BucketMetadataSys) concurrentLoad(ctx context.Context, buckets []Buck
 			if failedBuckets == nil {
 				failedBuckets = make(map[string]struct{})
 			}
-			failedBuckets[buckets[i].Name] = struct{}{}
+			failedBuckets[buckets[i]] = struct{}{}
 			continue
 		}
 		globalEventNotifier.set(buckets[i], meta)   // set notification targets
@@ -548,7 +544,7 @@ func (sys *BucketMetadataSys) refreshBucketsMetadataLoop(ctx context.Context, fa
 		case <-ctx.Done():
 			return
 		case <-t.C:
-			buckets, err := sys.objAPI.ListBuckets(ctx, BucketOptions{})
+			buckets, err := sys.objAPI.ListBuckets(ctx, BucketOptions{NoMetadata: true})
 			if err != nil {
 				internalLogIf(ctx, err, logger.WarningKind)
 				break
@@ -579,8 +575,8 @@ func (sys *BucketMetadataSys) refreshBucketsMetadataLoop(ctx context.Context, fa

 				// Initialize the failed buckets
 				if _, ok := failedBuckets[buckets[i].Name]; ok {
-					globalEventNotifier.set(buckets[i], meta)
-					globalBucketTargetSys.set(buckets[i], meta)
+					globalEventNotifier.set(buckets[i].Name, meta)
+					globalBucketTargetSys.set(buckets[i].Name, meta)
 					delete(failedBuckets, buckets[i].Name)
 				}

@@ -600,8 +596,8 @@ func (sys *BucketMetadataSys) Initialized() bool {
 }

 // Loads bucket metadata for all buckets into BucketMetadataSys.
-func (sys *BucketMetadataSys) init(ctx context.Context, buckets []BucketInfo) {
-	count := 100 // load 100 bucket metadata at a time.
+func (sys *BucketMetadataSys) init(ctx context.Context, buckets []string) {
+	count := globalEndpoints.ESCount() * 10
 	failedBuckets := make(map[string]struct{})
 	for {
 		if len(buckets) < count {
@@ -41,7 +41,7 @@ import (
 	"github.com/minio/minio/internal/fips"
 	"github.com/minio/minio/internal/kms"
 	"github.com/minio/minio/internal/logger"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 	"github.com/minio/sio"
 )

@@ -26,7 +26,7 @@ import (
 	"github.com/minio/minio/internal/event"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 const (
@@ -66,8 +66,9 @@ func (api objectAPIHandlers) GetBucketNotificationHandler(w http.ResponseWriter,
 		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
 		return
 	}
-	config.SetRegion(globalSite.Region)
-	if err = config.Validate(globalSite.Region, globalEventNotifier.targetList); err != nil {
+	region := globalSite.Region()
+	config.SetRegion(region)
+	if err = config.Validate(region, globalEventNotifier.targetList); err != nil {
 		arnErr, ok := err.(*event.ErrARNNotFound)
 		if ok {
 			for i, queue := range config.QueueList {
@@ -134,7 +135,7 @@ func (api objectAPIHandlers) PutBucketNotificationHandler(w http.ResponseWriter,
 		return
 	}

-	config, err := event.ParseConfig(io.LimitReader(r.Body, r.ContentLength), globalSite.Region, globalEventNotifier.targetList)
+	config, err := event.ParseConfig(io.LimitReader(r.Body, r.ContentLength), globalSite.Region(), globalEventNotifier.targetList)
 	if err != nil {
 		apiErr := errorCodes.ToAPIErr(ErrMalformedXML)
 		if event.IsEventError(err) {
@@ -28,7 +28,7 @@ import (
 	"github.com/minio/minio/internal/bucket/replication"
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/logger"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // BucketObjectLockSys - map of bucket and retention configuration.
@@ -27,7 +27,7 @@ import (
 	"github.com/minio/madmin-go/v3"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 const (
@@ -29,8 +29,8 @@ import (
 	"testing"

 	"github.com/minio/minio/internal/auth"
-	"github.com/minio/pkg/v2/policy"
-	"github.com/minio/pkg/v2/policy/condition"
+	"github.com/minio/pkg/v3/policy"
+	"github.com/minio/pkg/v3/policy/condition"
 )

 func getAnonReadOnlyBucketPolicy(bucketName string) *policy.BucketPolicy {
@@ -107,7 +107,7 @@ func getAnonWriteOnlyObjectPolicy(bucketName, prefix string) *policy.BucketPolic

 // Wrapper for calling Create Bucket and ensure we get one and only one success.
 func TestCreateBucket(t *testing.T) {
-	ExecObjectLayerAPITest(t, testCreateBucket, []string{"MakeBucket"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testCreateBucket, endpoints: []string{"MakeBucket"}})
 }

 // testCreateBucket - Test for calling Create Bucket and ensure we get one and only one success.
@@ -154,7 +154,7 @@ func testCreateBucket(obj ObjectLayer, instanceType, bucketName string, apiRoute

 // Wrapper for calling Put Bucket Policy HTTP handler tests for both Erasure multiple disks and single node setup.
 func TestPutBucketPolicyHandler(t *testing.T) {
-	ExecObjectLayerAPITest(t, testPutBucketPolicyHandler, []string{"PutBucketPolicy"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testPutBucketPolicyHandler, endpoints: []string{"PutBucketPolicy"}})
 }

 // testPutBucketPolicyHandler - Test for Bucket policy end point.
@@ -373,7 +373,7 @@ func testPutBucketPolicyHandler(obj ObjectLayer, instanceType, bucketName string

 // Wrapper for calling Get Bucket Policy HTTP handler tests for both Erasure multiple disks and single node setup.
 func TestGetBucketPolicyHandler(t *testing.T) {
-	ExecObjectLayerAPITest(t, testGetBucketPolicyHandler, []string{"PutBucketPolicy", "GetBucketPolicy"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testGetBucketPolicyHandler, endpoints: []string{"PutBucketPolicy", "GetBucketPolicy"}})
 }

 // testGetBucketPolicyHandler - Test for end point which fetches the access policy json of the given bucket.
@@ -577,7 +577,7 @@ func testGetBucketPolicyHandler(obj ObjectLayer, instanceType, bucketName string

 // Wrapper for calling Delete Bucket Policy HTTP handler tests for both Erasure multiple disks and single node setup.
 func TestDeleteBucketPolicyHandler(t *testing.T) {
-	ExecObjectLayerAPITest(t, testDeleteBucketPolicyHandler, []string{"PutBucketPolicy", "DeleteBucketPolicy"})
+	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testDeleteBucketPolicyHandler, endpoints: []string{"PutBucketPolicy", "DeleteBucketPolicy"}})
 }

 // testDeleteBucketPolicyHandler - Test for Delete bucket policy end point.
@@ -32,7 +32,7 @@ import (
 	"github.com/minio/minio/internal/handlers"
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/logger"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // PolicySys - policy subsystem.
@@ -34,7 +34,7 @@ import (
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // PutBucketReplicationConfigHandler - PUT Bucket replication configuration.
@@ -534,7 +534,7 @@ func getHealReplicateObjectInfo(oi ObjectInfo, rcfg replicationConfig) Replicate
 	rstate.ReplicateDecisionStr = dsc.String()
 	asz, _ := oi.GetActualSize()

-	return ReplicateObjectInfo{
+	r := ReplicateObjectInfo{
 		Name:                       oi.Name,
 		Size:                       oi.Size,
 		ActualSize:                 asz,
@@ -558,6 +558,10 @@ func getHealReplicateObjectInfo(oi ObjectInfo, rcfg replicationConfig) Replicate
 		SSEC:                 crypto.SSEC.IsEncrypted(oi.UserDefined),
 		UserTags:             oi.UserTags,
 	}
+	if r.SSEC {
+		r.Checksum = oi.Checksum
+	}
+	return r
 }

 // ReplicationState - returns replication state using other internal replication metadata in ObjectInfo
@@ -19,6 +19,7 @@ package cmd

 import (
 	"context"
+	"encoding/base64"
 	"encoding/binary"
 	"errors"
 	"fmt"
@@ -74,8 +75,9 @@ const (
 	ObjectLockRetentionTimestamp = "objectlock-retention-timestamp"
 	// ObjectLockLegalHoldTimestamp - the last time a legal hold metadata modification happened on this cluster for this object version
 	ObjectLockLegalHoldTimestamp = "objectlock-legalhold-timestamp"
-	// ReplicationWorkerMultiplier is suggested worker multiplier if traffic exceeds replication worker capacity
-	ReplicationWorkerMultiplier = 1.5
+
+	// ReplicationSsecChecksumHeader - the encrypted checksum of the SSE-C encrypted object.
+	ReplicationSsecChecksumHeader = "X-Minio-Replication-Ssec-Crc"
 )

 // gets replication config associated to a given bucket name.
@@ -763,12 +765,34 @@ func (m caseInsensitiveMap) Lookup(key string) (string, bool) {
 	return "", false
 }

-func putReplicationOpts(ctx context.Context, sc string, objInfo ObjectInfo) (putOpts minio.PutObjectOptions, err error) {
+func getCRCMeta(oi ObjectInfo, partNum int, h http.Header) map[string]string {
 	meta := make(map[string]string)
+	cs := oi.decryptChecksums(partNum, h)
+	for k, v := range cs {
+		cksum := hash.NewChecksumString(k, v)
+		if cksum == nil {
+			continue
+		}
+		if cksum.Valid() {
+			meta[cksum.Type.Key()] = v
+		}
+	}
+	return meta
+}
+
+func putReplicationOpts(ctx context.Context, sc string, objInfo ObjectInfo, partNum int) (putOpts minio.PutObjectOptions, err error) {
+	meta := make(map[string]string)
+	isSSEC := crypto.SSEC.IsEncrypted(objInfo.UserDefined)
+
 	for k, v := range objInfo.UserDefined {
 		// In case of SSE-C objects copy the allowed internal headers as well
-		if !crypto.SSEC.IsEncrypted(objInfo.UserDefined) || !slices.Contains(maps.Keys(validSSEReplicationHeaders), k) {
+		if !isSSEC || !slices.Contains(maps.Keys(validSSEReplicationHeaders), k) {
 			if stringsHasPrefixFold(k, ReservedMetadataPrefixLower) {
+				if strings.EqualFold(k, ReservedMetadataPrefixLower+"crc") {
+					for k, v := range getCRCMeta(objInfo, partNum, nil) {
+						meta[k] = v
+					}
+				}
 				continue
 			}
 			if isStandardHeader(k) {
@@ -782,6 +806,17 @@ func putReplicationOpts(ctx context.Context, sc string, objInfo ObjectInfo) (put
 		}
 	}

+	if len(objInfo.Checksum) > 0 {
+		// Add encrypted CRC to metadata for SSE-C objects.
+		if isSSEC {
+			meta[ReplicationSsecChecksumHeader] = base64.StdEncoding.EncodeToString(objInfo.Checksum)
+		} else {
+			for k, v := range getCRCMeta(objInfo, 0, nil) {
+				meta[k] = v
+			}
+		}
+	}
+
 	if sc == "" && (objInfo.StorageClass == storageclass.STANDARD || objInfo.StorageClass == storageclass.RRS) {
 		sc = objInfo.StorageClass
 	}
@@ -1201,17 +1236,23 @@ func (ri ReplicateObjectInfo) replicateObject(ctx context.Context, objectAPI Obj
 	// make sure we have the latest metadata for metrics calculation
 	rinfo.PrevReplicationStatus = objInfo.TargetReplicationStatus(tgt.ARN)

-	size, err := objInfo.GetActualSize()
-	if err != nil {
-		replLogIf(ctx, err)
-		sendEvent(eventArgs{
-			EventName:  event.ObjectReplicationNotTracked,
-			BucketName: bucket,
-			Object:     objInfo,
-			UserAgent:  "Internal: [Replication]",
-			Host:       globalLocalNodeName,
-		})
-		return
+	// Set the encrypted size for SSE-C objects
+	var size int64
+	if crypto.SSEC.IsEncrypted(objInfo.UserDefined) {
+		size = objInfo.Size
+	} else {
+		size, err = objInfo.GetActualSize()
+		if err != nil {
+			replLogIf(ctx, err)
+			sendEvent(eventArgs{
+				EventName:  event.ObjectReplicationNotTracked,
+				BucketName: bucket,
+				Object:     objInfo,
+				UserAgent:  "Internal: [Replication]",
+				Host:       globalLocalNodeName,
+			})
+			return
+		}
 	}

 	if tgt.Bucket == "" {
@@ -1239,7 +1280,7 @@ func (ri ReplicateObjectInfo) replicateObject(ctx context.Context, objectAPI Obj
 	// use core client to avoid doing multipart on PUT
 	c := &minio.Core{Client: tgt.Client}

-	putOpts, err := putReplicationOpts(ctx, tgt.StorageClass, objInfo)
+	putOpts, err := putReplicationOpts(ctx, tgt.StorageClass, objInfo, 0)
 	if err != nil {
 		replLogIf(ctx, fmt.Errorf("failure setting options for replication bucket:%s err:%w", bucket, err))
 		sendEvent(eventArgs{
@@ -1377,7 +1418,8 @@ func (ri ReplicateObjectInfo) replicateAll(ctx context.Context, objectAPI Object
 	}

 	// Set the encrypted size for SSE-C objects
-	if crypto.SSEC.IsEncrypted(objInfo.UserDefined) {
+	isSSEC := crypto.SSEC.IsEncrypted(objInfo.UserDefined)
+	if isSSEC {
 		size = objInfo.Size
 	}

@@ -1437,6 +1479,13 @@ func (ri ReplicateObjectInfo) replicateAll(ctx context.Context, objectAPI Object
 			return
 		}
 	} else {
+		// SSEC objects will refuse HeadObject without the decryption key.
+		// Ignore the error, since we know the object exists and versioning prevents overwriting existing versions.
+		if isSSEC && strings.Contains(cerr.Error(), errorCodes[ErrSSEEncryptedObject].Description) {
+			rinfo.ReplicationStatus = replication.Completed
+			rinfo.ReplicationAction = replicateNone
+			goto applyAction
+		}
 		// if target returns error other than NoSuchKey, defer replication attempt
 		if minio.IsNetworkOrHostDown(cerr, true) && !globalBucketTargetSys.isOffline(tgt.EndpointURL()) {
 			globalBucketTargetSys.markOffline(tgt.EndpointURL())
@@ -1464,6 +1513,7 @@ func (ri ReplicateObjectInfo) replicateAll(ctx context.Context, objectAPI Object
 			return
 		}
 	}
+applyAction:
 	rinfo.ReplicationStatus = replication.Completed
 	rinfo.Size = size
 	rinfo.ReplicationAction = rAction
@@ -1506,7 +1556,7 @@ func (ri ReplicateObjectInfo) replicateAll(ctx context.Context, objectAPI Object
 		}
 	} else {
 		var putOpts minio.PutObjectOptions
-		putOpts, err = putReplicationOpts(ctx, tgt.StorageClass, objInfo)
+		putOpts, err = putReplicationOpts(ctx, tgt.StorageClass, objInfo, 0)
 		if err != nil {
 			replLogIf(ctx, fmt.Errorf("failed to set replicate options for object %s/%s(%s) (target %s) err:%w", bucket, objInfo.Name, objInfo.VersionID, tgt.EndpointURL(), err))
 			sendEvent(eventArgs{
@@ -1542,13 +1592,15 @@ func (ri ReplicateObjectInfo) replicateAll(ctx context.Context, objectAPI Object
 		} else {
 			_, rinfo.Err = c.PutObject(ctx, tgt.Bucket, object, r, size, "", "", putOpts)
 		}
-		if rinfo.Err != nil && minio.ToErrorResponse(rinfo.Err).Code != "PreconditionFailed" {
-			rinfo.ReplicationStatus = replication.Failed
-			replLogIf(ctx, fmt.Errorf("unable to replicate for object %s/%s(%s) to target %s: %w",
-				bucket, objInfo.Name, objInfo.VersionID, tgt.EndpointURL(), rinfo.Err))
-		}
-		if rinfo.Err != nil && minio.IsNetworkOrHostDown(rinfo.Err, true) && !globalBucketTargetSys.isOffline(tgt.EndpointURL()) {
-			globalBucketTargetSys.markOffline(tgt.EndpointURL())
+		if rinfo.Err != nil {
+			if minio.ToErrorResponse(rinfo.Err).Code != "PreconditionFailed" {
+				rinfo.ReplicationStatus = replication.Failed
+				replLogIf(ctx, fmt.Errorf("unable to replicate for object %s/%s(%s) to target %s: %w",
+					bucket, objInfo.Name, objInfo.VersionID, tgt.EndpointURL(), rinfo.Err))
+			}
+			if minio.IsNetworkOrHostDown(rinfo.Err, true) && !globalBucketTargetSys.isOffline(tgt.EndpointURL()) {
+				globalBucketTargetSys.markOffline(tgt.EndpointURL())
+			}
 		}
 	}
 	return
@@ -1568,7 +1620,7 @@ func replicateObjectWithMultipart(ctx context.Context, c *minio.Core, bucket, ob
 			break
 		}
 		if minio.ToErrorResponse(err).Code == "PreconditionFailed" {
-			return err
+			return nil
 		}
 		attempts++
 		time.Sleep(time.Duration(rand.Int63n(int64(time.Second))))
@@ -1595,13 +1647,14 @@ func replicateObjectWithMultipart(ctx context.Context, c *minio.Core, bucket, ob
 	}()

 	var (
-		hr    *hash.Reader
-		pInfo minio.ObjectPart
+		hr     *hash.Reader
+		pInfo  minio.ObjectPart
+		isSSEC = crypto.SSEC.IsEncrypted(objInfo.UserDefined)
 	)

 	var objectSize int64
 	for _, partInfo := range objInfo.Parts {
-		if crypto.SSEC.IsEncrypted(objInfo.UserDefined) {
+		if isSSEC {
 			hr, err = hash.NewReader(ctx, io.LimitReader(r, partInfo.Size), partInfo.Size, "", "", partInfo.ActualSize)
 		} else {
 			hr, err = hash.NewReader(ctx, io.LimitReader(r, partInfo.ActualSize), partInfo.ActualSize, "", "", partInfo.ActualSize)
@@ -1612,12 +1665,18 @@ func replicateObjectWithMultipart(ctx context.Context, c *minio.Core, bucket, ob

 		cHeader := http.Header{}
 		cHeader.Add(xhttp.MinIOSourceReplicationRequest, "true")
+		if !isSSEC {
+			crc := getCRCMeta(objInfo, partInfo.Number, nil) // No SSE-C keys here.
+			for k, v := range crc {
+				cHeader.Add(k, v)
+			}
+		}
 		popts := minio.PutObjectPartOptions{
 			SSE:          opts.ServerSideEncryption,
 			CustomHeader: cHeader,
 		}

-		if crypto.SSEC.IsEncrypted(objInfo.UserDefined) {
+		if isSSEC {
 			objectSize += partInfo.Size
 			pInfo, err = c.PutObjectPart(ctx, bucket, object, uploadID, partInfo.Number, hr, partInfo.Size, popts)
 		} else {
@@ -1627,22 +1686,33 @@ func replicateObjectWithMultipart(ctx context.Context, c *minio.Core, bucket, ob
 		if err != nil {
 			return err
 		}
-		if !crypto.SSEC.IsEncrypted(objInfo.UserDefined) && pInfo.Size != partInfo.ActualSize {
+		if !isSSEC && pInfo.Size != partInfo.ActualSize {
 			return fmt.Errorf("Part size mismatch: got %d, want %d", pInfo.Size, partInfo.ActualSize)
 		}
 		uploadedParts = append(uploadedParts, minio.CompletePart{
-			PartNumber: pInfo.PartNumber,
-			ETag:       pInfo.ETag,
+			PartNumber:     pInfo.PartNumber,
+			ETag:           pInfo.ETag,
+			ChecksumCRC32:  pInfo.ChecksumCRC32,
+			ChecksumCRC32C: pInfo.ChecksumCRC32C,
+			ChecksumSHA1:   pInfo.ChecksumSHA1,
+			ChecksumSHA256: pInfo.ChecksumSHA256,
 		})
 	}
+	userMeta := map[string]string{
+		validSSEReplicationHeaders[ReservedMetadataPrefix+"Actual-Object-Size"]: objInfo.UserDefined[ReservedMetadataPrefix+"actual-size"],
+	}
+	if isSSEC && objInfo.UserDefined[ReplicationSsecChecksumHeader] != "" {
+		userMeta[ReplicationSsecChecksumHeader] = objInfo.UserDefined[ReplicationSsecChecksumHeader]
+	}

 	// really big value but its okay on heavily loaded systems. This is just tail end timeout.
 	cctx, ccancel := context.WithTimeout(ctx, 10*time.Minute)
 	defer ccancel()
 	_, err = c.CompleteMultipartUpload(cctx, bucket, object, uploadID, uploadedParts, minio.PutObjectOptions{
-		UserMetadata: map[string]string{validSSEReplicationHeaders[ReservedMetadataPrefix+"Actual-Object-Size"]: objInfo.UserDefined[ReservedMetadataPrefix+"actual-size"]},
+		UserMetadata: userMeta,
 		Internal: minio.AdvancedPutOptions{
 			SourceMTime: objInfo.ModTime,
+			SourceETag:  objInfo.ETag,
 			// always set this to distinguish between `mc mirror` replication and serverside
 			ReplicationRequest: true,
 		},
@@ -2176,12 +2246,12 @@ type proxyResult struct {

 // get Reader from replication target if active-active replication is in place and
 // this node returns a 404
-func proxyGetToReplicationTarget(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, _ http.Header, opts ObjectOptions, proxyTargets *madmin.BucketTargets) (gr *GetObjectReader, proxy proxyResult, err error) {
+func proxyGetToReplicationTarget(ctx context.Context, bucket, object string, rs *HTTPRangeSpec, h http.Header, opts ObjectOptions, proxyTargets *madmin.BucketTargets) (gr *GetObjectReader, proxy proxyResult, err error) {
 	tgt, oi, proxy := proxyHeadToRepTarget(ctx, bucket, object, rs, opts, proxyTargets)
 	if !proxy.Proxy {
 		return nil, proxy, nil
 	}
-	fn, _, _, err := NewGetObjectReader(nil, oi, opts)
+	fn, _, _, err := NewGetObjectReader(nil, oi, opts, h)
 	if err != nil {
 		return nil, proxy, err
 	}
@@ -2366,7 +2436,9 @@ func scheduleReplication(ctx context.Context, oi ObjectInfo, o ObjectLayer, dsc
 		SSEC:                 crypto.SSEC.IsEncrypted(oi.UserDefined),
 		UserTags:             oi.UserTags,
 	}
-
+	if ri.SSEC {
+		ri.Checksum = oi.Checksum
+	}
 	if dsc.Synchronous() {
 		replicateObject(ctx, ri, o)
 	} else {
@@ -2846,17 +2918,19 @@ func (s *replicationResyncer) resyncBucket(ctx context.Context, objectAPI Object
 						ReplicationProxyRequest: "false",
 					},
 				})
+				sz := roi.Size
 				if err != nil {
 					if roi.DeleteMarker && isErrMethodNotAllowed(ErrorRespToObjectError(err, opts.bucket, roi.Name)) {
 						st.ReplicatedCount++
 					} else {
 						st.FailedCount++
 					}
+					sz = 0
 				} else {
 					st.ReplicatedCount++
 					st.ReplicatedSize += roi.Size
 				}
-				traceFn(err)
+				traceFn(sz, err)
 				select {
 				case <-ctx.Done():
 					return
@@ -2971,17 +3045,17 @@ func (s *replicationResyncer) start(ctx context.Context, objAPI ObjectLayer, opt
 	return nil
 }

-func (s *replicationResyncer) trace(resyncID string, path string) func(err error) {
+func (s *replicationResyncer) trace(resyncID string, path string) func(sz int64, err error) {
 	startTime := time.Now()
-	return func(err error) {
+	return func(sz int64, err error) {
 		duration := time.Since(startTime)
 		if globalTrace.NumSubscribers(madmin.TraceReplicationResync) > 0 {
-			globalTrace.Publish(replicationResyncTrace(resyncID, startTime, duration, path, err))
+			globalTrace.Publish(replicationResyncTrace(resyncID, startTime, duration, path, err, sz))
 		}
 	}
 }

-func replicationResyncTrace(resyncID string, startTime time.Time, duration time.Duration, path string, err error) madmin.TraceInfo {
+func replicationResyncTrace(resyncID string, startTime time.Time, duration time.Duration, path string, err error, sz int64) madmin.TraceInfo {
 	var errStr string
 	if err != nil {
 		errStr = err.Error()
@@ -2995,6 +3069,7 @@ func replicationResyncTrace(resyncID string, startTime time.Time, duration time.
 		Duration:  duration,
 		Path:      path,
 		Error:     errStr,
+		Bytes:     sz,
 	}
 }

@@ -3011,7 +3086,7 @@ func (p *ReplicationPool) deleteResyncMetadata(ctx context.Context, bucket strin
 }

 // initResync - initializes bucket replication resync for all buckets.
-func (p *ReplicationPool) initResync(ctx context.Context, buckets []BucketInfo, objAPI ObjectLayer) error {
+func (p *ReplicationPool) initResync(ctx context.Context, buckets []string, objAPI ObjectLayer) error {
 	if objAPI == nil {
 		return errServerNotInitialized
 	}
@@ -3020,7 +3095,7 @@ func (p *ReplicationPool) initResync(ctx context.Context, buckets []BucketInfo,
 	return nil
 }

-func (p *ReplicationPool) startResyncRoutine(ctx context.Context, buckets []BucketInfo, objAPI ObjectLayer) {
+func (p *ReplicationPool) startResyncRoutine(ctx context.Context, buckets []string, objAPI ObjectLayer) {
 	r := rand.New(rand.NewSource(time.Now().UnixNano()))
 	// Run the replication resync in a loop
 	for {
@@ -3038,13 +3113,13 @@ func (p *ReplicationPool) startResyncRoutine(ctx context.Context, buckets []Buck
 }

 // Loads bucket replication resync statuses into memory.
-func (p *ReplicationPool) loadResync(ctx context.Context, buckets []BucketInfo, objAPI ObjectLayer) error {
+func (p *ReplicationPool) loadResync(ctx context.Context, buckets []string, objAPI ObjectLayer) error {
 	// Make sure only one node running resync on the cluster.
 	ctx, cancel := globalLeaderLock.GetLock(ctx)
 	defer cancel()

 	for index := range buckets {
-		bucket := buckets[index].Name
+		bucket := buckets[index]

 		meta, err := loadBucketResyncMetadata(ctx, bucket, objAPI)
 		if err != nil {
@@ -612,7 +612,7 @@ func (sys *BucketTargetSys) UpdateAllTargets(bucket string, tgts *madmin.BucketT
 }

 // create minio-go clients for buckets having remote targets
-func (sys *BucketTargetSys) set(bucket BucketInfo, meta BucketMetadata) {
+func (sys *BucketTargetSys) set(bucket string, meta BucketMetadata) {
 	cfg := meta.bucketTargetConfig
 	if cfg == nil || cfg.Empty() {
 		return
@@ -626,9 +626,9 @@ func (sys *BucketTargetSys) set(bucket BucketInfo, meta BucketMetadata) {
 			continue
 		}
 		sys.arnRemotesMap[tgt.Arn] = arnTarget{Client: tgtClient}
-		sys.updateBandwidthLimit(bucket.Name, tgt.Arn, tgt.BandwidthLimit)
+		sys.updateBandwidthLimit(bucket, tgt.Arn, tgt.BandwidthLimit)
 	}
-	sys.targetsMap[bucket.Name] = cfg.Targets
+	sys.targetsMap[bucket] = cfg.Targets
 }

 // Returns a minio-go Client configured to access remote host described in replication target config.
@@ -28,7 +28,7 @@ import (
 	"github.com/minio/minio/internal/bucket/versioning"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 const (
@@ -80,6 +80,9 @@ func runCallhome(ctx context.Context, objAPI ObjectLayer) bool {
 	ctx = lkctx.Context()
 	defer locker.Unlock(lkctx)

+	// Perform callhome once and then keep running it at regular intervals.
+	performCallhome(ctx)
+
 	callhomeTimer := time.NewTimer(globalCallhomeConfig.FrequencyDur())
 	defer callhomeTimer.Stop()

@@ -141,11 +144,14 @@ func performCallhome(ctx context.Context) {
 		select {
 		case hi, hasMore := <-healthInfoCh:
 			if !hasMore {
+				auditOptions := AuditLogOptions{Event: "callhome:diagnostics"}
 				// Received all data. Send to SUBNET and return
 				err := sendHealthInfo(ctx, healthInfo)
 				if err != nil {
 					internalLogIf(ctx, fmt.Errorf("Unable to perform callhome: %w", err))
+					auditOptions.Error = err.Error()
 				}
+				auditLogInternal(ctx, auditOptions)
 				return
 			}
 			healthInfo = hi
@@ -55,10 +55,10 @@ import (
 	"github.com/minio/minio/internal/config"
 	"github.com/minio/minio/internal/kms"
 	"github.com/minio/minio/internal/logger"
-	"github.com/minio/pkg/v2/certs"
-	"github.com/minio/pkg/v2/console"
-	"github.com/minio/pkg/v2/env"
-	xnet "github.com/minio/pkg/v2/net"
+	"github.com/minio/pkg/v3/certs"
+	"github.com/minio/pkg/v3/console"
+	"github.com/minio/pkg/v3/env"
+	xnet "github.com/minio/pkg/v3/net"
 	"golang.org/x/term"
 )

@@ -176,7 +176,10 @@ func minioConfigToConsoleFeatures() {
 		os.Setenv("CONSOLE_STS_DURATION", valueSession)
 	}

-	os.Setenv("CONSOLE_MINIO_REGION", globalSite.Region)
+	os.Setenv("CONSOLE_MINIO_SITE_NAME", globalSite.Name())
+	os.Setenv("CONSOLE_MINIO_SITE_REGION", globalSite.Region())
+	os.Setenv("CONSOLE_MINIO_REGION", globalSite.Region())
+
 	os.Setenv("CONSOLE_CERT_PASSWD", env.Get("MINIO_CERT_PASSWD", ""))

 	// This section sets Browser (console) stored config
@@ -399,22 +402,37 @@ func buildServerCtxt(ctx *cli.Context, ctxt *serverCtxt) (err error) {
 		ctxt.certsDirSet = true
 	}

+	memAvailable := availableMemory()
+	if ctx.IsSet("memlimit") || ctx.GlobalIsSet("memlimit") {
+		memlimit := ctx.String("memlimit")
+		if memlimit == "" {
+			memlimit = ctx.GlobalString("memlimit")
+		}
+		mlimit, err := humanize.ParseBytes(memlimit)
+		if err != nil {
+			return err
+		}
+		if mlimit > memAvailable {
+			logger.Info("WARNING: maximum memory available (%s) smaller than specified --memlimit=%s, ignoring --memlimit value",
+				humanize.IBytes(memAvailable), memlimit)
+		}
+		ctxt.MemLimit = mlimit
+	} else {
+		ctxt.MemLimit = memAvailable
+	}
+
+	if memAvailable < ctxt.MemLimit {
+		ctxt.MemLimit = memAvailable
+	}
+
 	ctxt.FTP = ctx.StringSlice("ftp")
 	ctxt.SFTP = ctx.StringSlice("sftp")
-
 	ctxt.Interface = ctx.String("interface")
 	ctxt.UserTimeout = ctx.Duration("conn-user-timeout")
-	ctxt.ConnReadDeadline = ctx.Duration("conn-read-deadline")
-	ctxt.ConnWriteDeadline = ctx.Duration("conn-write-deadline")
-	ctxt.ConnClientReadDeadline = ctx.Duration("conn-client-read-deadline")
-	ctxt.ConnClientWriteDeadline = ctx.Duration("conn-client-write-deadline")
 	ctxt.SendBufSize = ctx.Int("send-buf-size")
 	ctxt.RecvBufSize = ctx.Int("recv-buf-size")
-
-	ctxt.ShutdownTimeout = ctx.Duration("shutdown-timeout")
 	ctxt.IdleTimeout = ctx.Duration("idle-timeout")
-	ctxt.ReadHeaderTimeout = ctx.Duration("read-header-timeout")
-	ctxt.MaxIdleConnsPerHost = ctx.Int("max-idle-conns-per-host")
+	ctxt.UserTimeout = ctx.Duration("conn-user-timeout")

 	if conf := ctx.String("config"); len(conf) > 0 {
 		err = mergeServerCtxtFromConfigFile(conf, ctxt)
@@ -56,7 +56,7 @@ import (
 	"github.com/minio/minio/internal/crypto"
 	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/logger"
-	"github.com/minio/pkg/v2/env"
+	"github.com/minio/pkg/v3/env"
 )

 func initHelp() {
@@ -240,6 +240,11 @@ func initHelp() {
 			Description: "manage Browser HTTP specific features, such as Security headers, etc.",
 			Optional:    true,
 		},
+		config.HelpKV{
+			Key:         config.ILMSubSys,
+			Description: "manage ILM settings for expiration and transition workers",
+			Optional:    true,
+		},
 	}

 	if globalIsErasure {
@@ -288,6 +293,7 @@ func initHelp() {
 		config.DriveSubSys:          drive.HelpDrive,
 		config.CacheSubSys:          cache.Help,
 		config.BrowserSubSys:        browser.Help,
+		config.ILMSubSys:            ilm.Help,
 	}

 	config.RegisterHelpSubSys(helpMap)
@@ -362,7 +368,7 @@ func validateSubSysConfig(ctx context.Context, s config.Config, subSys string, o
 		}
 	case config.IdentityOpenIDSubSys:
 		if _, err := openid.LookupConfig(s,
-			NewHTTPTransport(), xhttp.DrainBody, globalSite.Region); err != nil {
+			NewHTTPTransport(), xhttp.DrainBody, globalSite.Region()); err != nil {
 			return err
 		}
 	case config.IdentityLDAPSubSys:
@@ -383,7 +389,7 @@ func validateSubSysConfig(ctx context.Context, s config.Config, subSys string, o
 		}
 	case config.IdentityPluginSubSys:
 		if _, err := idplugin.LookupConfig(s[config.IdentityPluginSubSys][config.Default],
-			NewHTTPTransport(), xhttp.DrainBody, globalSite.Region); err != nil {
+			NewHTTPTransport(), xhttp.DrainBody, globalSite.Region()); err != nil {
 			return err
 		}
 	case config.SubnetSubSys:
@@ -530,10 +536,11 @@ func lookupConfigs(s config.Config, objAPI ObjectLayer) {
 	// but not federation.
 	globalBucketFederation = etcdCfg.PathPrefix == "" && etcdCfg.Enabled

-	globalSite, err = config.LookupSite(s[config.SiteSubSys][config.Default], s[config.RegionSubSys][config.Default])
+	siteCfg, err := config.LookupSite(s[config.SiteSubSys][config.Default], s[config.RegionSubSys][config.Default])
 	if err != nil {
 		configLogIf(ctx, fmt.Errorf("Invalid site configuration: %w", err))
 	}
+	globalSite.Update(siteCfg)

 	globalAutoEncryption = crypto.LookupAutoEncryption() // Enable auto-encryption if enabled
 	if globalAutoEncryption && GlobalKMS == nil {
@@ -39,8 +39,8 @@ func TestServerConfig(t *testing.T) {
 		t.Fatalf("Init Test config failed")
 	}

-	if globalSite.Region != globalMinioDefaultRegion {
-		t.Errorf("Expecting region `us-east-1` found %s", globalSite.Region)
+	if globalSite.Region() != globalMinioDefaultRegion {
+		t.Errorf("Expecting region `us-east-1` found %s", globalSite.Region())
 	}

 	// Set new region and verify.
@@ -52,8 +52,8 @@ func TestServerConfig(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if site.Region != "us-west-1" {
-		t.Errorf("Expecting region `us-west-1` found %s", globalSite.Region)
+	if site.Region() != "us-west-1" {
+		t.Errorf("Expecting region `us-west-1` found %s", globalSite.Region())
 	}

 	if err := saveServerConfig(context.Background(), objLayer, globalServerConfig); err != nil {
@@ -33,8 +33,8 @@ import (
 	"github.com/minio/minio/internal/config/storageclass"
 	"github.com/minio/minio/internal/event/target"
 	"github.com/minio/minio/internal/logger"
-	xnet "github.com/minio/pkg/v2/net"
-	"github.com/minio/pkg/v2/quick"
+	xnet "github.com/minio/pkg/v3/net"
+	"github.com/minio/pkg/v3/quick"
 )

 // Save config file to corresponding backend
@@ -27,7 +27,7 @@ import (
 	"github.com/minio/minio/internal/config/policy/opa"
 	"github.com/minio/minio/internal/config/storageclass"
 	"github.com/minio/minio/internal/logger"
-	"github.com/minio/pkg/v2/quick"
+	"github.com/minio/pkg/v3/quick"
 )

 // FileLogger is introduced to workaround the dependency about logrus
@@ -29,8 +29,8 @@ import (
 	"github.com/minio/minio/internal/logger/target/console"
 	"github.com/minio/minio/internal/logger/target/types"
 	"github.com/minio/minio/internal/pubsub"
-	"github.com/minio/pkg/v2/logger/message/log"
-	xnet "github.com/minio/pkg/v2/net"
+	"github.com/minio/pkg/v3/logger/message/log"
+	xnet "github.com/minio/pkg/v3/net"
 )

 // number of log messages to buffer
@@ -31,6 +31,7 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"sync/atomic"
 	"time"

 	"github.com/minio/madmin-go/v3"
@@ -43,7 +44,7 @@ import (
 	"github.com/minio/minio/internal/config/heal"
 	"github.com/minio/minio/internal/event"
 	xioutil "github.com/minio/minio/internal/ioutil"
-	"github.com/minio/pkg/v2/console"
+	"github.com/minio/pkg/v3/console"
 	uatomic "go.uber.org/atomic"
 )

@@ -53,7 +54,7 @@ const (
 	dataScannerCompactLeastObject    = 500                              // Compact when there is less than this many objects in a branch.
 	dataScannerCompactAtChildren     = 10000                            // Compact when there are this many children in a branch.
 	dataScannerCompactAtFolders      = dataScannerCompactAtChildren / 4 // Compact when this many subfolders in a single folder.
-	dataScannerForceCompactAtFolders = 1_000_000                        // Compact when this many subfolders in a single folder (even top level).
+	dataScannerForceCompactAtFolders = 250_000                          // Compact when this many subfolders in a single folder (even top level).
 	dataScannerStartDelay            = 1 * time.Minute                  // Time to wait on startup and between cycles.

 	healDeleteDangling   = true
@@ -249,7 +250,8 @@ type folderScanner struct {
 	healObjectSelect      uint32 // Do a heal check on an object once every n cycles. Must divide into healFolderInclude
 	scanMode              madmin.HealScanMode

-	weSleep func() bool
+	weSleep    func() bool
+	shouldHeal func() bool

 	disks       []StorageAPI
 	disksQuorum int
@@ -304,11 +306,12 @@ type folderScanner struct {
 // The returned cache will always be valid, but may not be updated from the existing.
 // Before each operation sleepDuration is called which can be used to temporarily halt the scanner.
 // If the supplied context is canceled the function will return at the first chance.
-func scanDataFolder(ctx context.Context, disks []StorageAPI, basePath string, cache dataUsageCache, getSize getSizeFn, scanMode madmin.HealScanMode, weSleep func() bool) (dataUsageCache, error) {
+func scanDataFolder(ctx context.Context, disks []StorageAPI, drive *xlStorage, cache dataUsageCache, getSize getSizeFn, scanMode madmin.HealScanMode, weSleep func() bool) (dataUsageCache, error) {
 	switch cache.Info.Name {
 	case "", dataUsageRoot:
 		return cache, errors.New("internal error: root scan attempted")
 	}
+	basePath := drive.drivePath
 	updatePath, closeDisk := globalScannerMetrics.currentPathUpdater(basePath, cache.Info.Name)
 	defer closeDisk()

@@ -328,6 +331,26 @@ func scanDataFolder(ctx context.Context, disks []StorageAPI, basePath string, ca
 		disksQuorum:           len(disks) / 2,
 	}

+	var skipHeal atomic.Bool
+	if globalIsErasure || cache.Info.SkipHealing {
+		skipHeal.Store(true)
+	}
+
+	// Check if we should do healing at all.
+	s.shouldHeal = func() bool {
+		if skipHeal.Load() {
+			return false
+		}
+		if s.healObjectSelect == 0 {
+			return false
+		}
+		if di, _ := drive.DiskInfo(ctx, DiskInfoOptions{}); di.Healing {
+			skipHeal.Store(true)
+			return false
+		}
+		return true
+	}
+
 	// Enable healing in XL mode.
 	if globalIsErasure && !cache.Info.SkipHealing {
 		// Do a heal check on an object once every n cycles. Must divide into healFolderInclude
@@ -349,6 +372,7 @@ func scanDataFolder(ctx context.Context, disks []StorageAPI, basePath string, ca
 		// No useful information...
 		return cache, err
 	}
+	s.newCache.forceCompact(dataScannerCompactAtChildren)
 	s.newCache.Info.LastUpdate = UTCNow()
 	s.newCache.Info.NextCycle = cache.Info.NextCycle
 	return s.newCache, nil
@@ -481,14 +505,9 @@ func (f *folderScanner) scanFolder(ctx context.Context, folder cachedFolder, int
 				replication: replicationCfg,
 			}

-			item.heal.enabled = thisHash.modAlt(f.oldCache.Info.NextCycle/folder.objectHealProbDiv, f.healObjectSelect/folder.objectHealProbDiv) && globalIsErasure
+			item.heal.enabled = thisHash.modAlt(f.oldCache.Info.NextCycle/folder.objectHealProbDiv, f.healObjectSelect/folder.objectHealProbDiv) && f.shouldHeal()
 			item.heal.bitrot = f.scanMode == madmin.HealDeepScan

-			// if the drive belongs to an erasure set
-			// that is already being healed, skip the
-			// healing attempt on this drive.
-			item.heal.enabled = item.heal.enabled && f.healObjectSelect > 0
-
 			sz, err := f.getSize(item)
 			if err != nil && err != errIgnoreFileContrib {
 				wait() // wait to proceed to next entry.
@@ -651,7 +670,7 @@ func (f *folderScanner) scanFolder(ctx context.Context, folder cachedFolder, int
 		}

 		// Scan for healing
-		if f.healObjectSelect == 0 || len(abandonedChildren) == 0 {
+		if len(abandonedChildren) == 0 || !f.shouldHeal() {
 			// If we are not heal scanning, return now.
 			break
 		}
@@ -686,6 +705,9 @@ func (f *folderScanner) scanFolder(ctx context.Context, folder cachedFolder, int

 		healObjectsPrefix := color.Green("healObjects:")
 		for k := range abandonedChildren {
+			if !f.shouldHeal() {
+				break
+			}
 			bucket, prefix := path2BucketObject(k)
 			stopFn := globalScannerMetrics.time(scannerMetricCheckMissing)
 			f.updateCurrentPath(k)
@@ -719,6 +741,10 @@ func (f *folderScanner) scanFolder(ctx context.Context, folder cachedFolder, int
 				},
 				// Some disks have data for this.
 				partial: func(entries metaCacheEntries, errs []error) {
+					if !f.shouldHeal() {
+						cancel()
+						return
+					}
 					entry, ok := entries.resolve(&resolver)
 					if !ok {
 						// check if we can get one entry at least
@@ -1232,36 +1258,29 @@ func evalActionFromLifecycle(ctx context.Context, lc lifecycle.Lifecycle, lr loc
 }

 func applyTransitionRule(event lifecycle.Event, src lcEventSrc, obj ObjectInfo) bool {
-	if obj.DeleteMarker {
+	if obj.DeleteMarker || obj.IsDir {
 		return false
 	}
 	globalTransitionState.queueTransitionTask(obj, event, src)
 	return true
 }

-func applyExpiryOnTransitionedObject(ctx context.Context, objLayer ObjectLayer, obj ObjectInfo, lcEvent lifecycle.Event, src lcEventSrc) bool {
-	var err error
-	defer func() {
-		if err != nil {
-			return
-		}
-		// Note: DeleteAllVersions action is not supported for
-		// transitioned objects
-		globalScannerMetrics.timeILM(lcEvent.Action)(1)
-	}()
-
-	if err = expireTransitionedObject(ctx, objLayer, &obj, lcEvent, src); err != nil {
+func applyExpiryOnTransitionedObject(ctx context.Context, objLayer ObjectLayer, obj ObjectInfo, lcEvent lifecycle.Event, src lcEventSrc) (ok bool) {
+	timeILM := globalScannerMetrics.timeILM(lcEvent.Action)
+	if err := expireTransitionedObject(ctx, objLayer, &obj, lcEvent, src); err != nil {
 		if isErrObjectNotFound(err) || isErrVersionNotFound(err) {
 			return false
 		}
 		ilmLogIf(ctx, err)
 		return false
 	}
+	timeILM(1)
+
 	// Notification already sent in *expireTransitionedObject*, just return 'true' here.
 	return true
 }

-func applyExpiryOnNonTransitionedObjects(ctx context.Context, objLayer ObjectLayer, obj ObjectInfo, lcEvent lifecycle.Event, src lcEventSrc) bool {
+func applyExpiryOnNonTransitionedObjects(ctx context.Context, objLayer ObjectLayer, obj ObjectInfo, lcEvent lifecycle.Event, src lcEventSrc) (ok bool) {
 	traceFn := globalLifecycleSys.trace(obj)
 	opts := ObjectOptions{
 		Expiration: ExpirationOptions{Expire: true},
@@ -1283,8 +1302,10 @@ func applyExpiryOnNonTransitionedObjects(ctx context.Context, objLayer ObjectLay
 		dobj ObjectInfo
 		err  error
 	)
+
+	timeILM := globalScannerMetrics.timeILM(lcEvent.Action)
 	defer func() {
-		if err != nil {
+		if !ok {
 			return
 		}

@@ -1293,7 +1314,7 @@ func applyExpiryOnNonTransitionedObjects(ctx context.Context, objLayer ObjectLay
 			if lcEvent.Action.DeleteAll() {
 				numVersions = uint64(obj.NumVersions)
 			}
-			globalScannerMetrics.timeILM(lcEvent.Action)(numVersions)
+			timeILM(numVersions)
 		}
 	}()

@@ -729,6 +729,53 @@ func (d *dataUsageCache) reduceChildrenOf(path dataUsageHash, limit int, compact
 	}
 }

+// forceCompact will force compact the cache of the top entry.
+// If the number of children is more than limit*100, it will compact self.
+// When above the limit a cleanup will also be performed to remove any possible abandoned entries.
+func (d *dataUsageCache) forceCompact(limit int) {
+	if d == nil || len(d.Cache) <= limit {
+		return
+	}
+	top := hashPath(d.Info.Name).Key()
+	topE := d.find(top)
+	if topE == nil {
+		scannerLogIf(GlobalContext, errors.New("forceCompact: root not found"))
+		return
+	}
+	// If off by 2 orders of magnitude, compact self and log error.
+	if len(topE.Children) > dataScannerForceCompactAtFolders {
+		// If we still have too many children, compact self.
+		scannerLogOnceIf(GlobalContext, fmt.Errorf("forceCompact: %q has %d children. Force compacting. Expect reduced scanner performance", d.Info.Name, len(topE.Children)), d.Info.Name)
+		d.reduceChildrenOf(hashPath(d.Info.Name), limit, true)
+	}
+	if len(d.Cache) <= limit {
+		return
+	}
+
+	// Check for abandoned entries.
+	found := make(map[string]struct{}, len(d.Cache))
+
+	// Mark all children recursively
+	var mark func(entry dataUsageEntry)
+	mark = func(entry dataUsageEntry) {
+		for k := range entry.Children {
+			found[k] = struct{}{}
+			if ch, ok := d.Cache[k]; ok {
+				mark(ch)
+			}
+		}
+	}
+	found[top] = struct{}{}
+	mark(*topE)
+
+	// Delete all entries not found.
+	for k := range d.Cache {
+		if _, ok := found[k]; !ok {
+			delete(d.Cache, k)
+		}
+	}
+}
+
 // StringAll returns a detailed string representation of all entries in the cache.
 func (d *dataUsageCache) StringAll() string {
 	// Remove bloom filter from print.
@@ -26,6 +26,9 @@ import (
 	"path"
 	"path/filepath"
 	"testing"
+	"time"
+
+	"github.com/minio/minio/internal/cachevalue"
 )

 type usageTestFile struct {
@@ -61,10 +64,13 @@ func TestDataUsageUpdate(t *testing.T) {
 		}
 		return
 	}
-
+	xls := xlStorage{drivePath: base, diskInfoCache: cachevalue.New[DiskInfo]()}
+	xls.diskInfoCache.InitOnce(time.Second, cachevalue.Opts{}, func(ctx context.Context) (DiskInfo, error) {
+		return DiskInfo{Total: 1 << 40, Free: 1 << 40}, nil
+	})
 	weSleep := func() bool { return false }

-	got, err := scanDataFolder(context.Background(), nil, base, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, getSize, 0, weSleep)
+	got, err := scanDataFolder(context.Background(), nil, &xls, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, getSize, 0, weSleep)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -174,7 +180,7 @@ func TestDataUsageUpdate(t *testing.T) {
 	}
 	// Changed dir must be picked up in this many cycles.
 	for i := 0; i < dataUsageUpdateDirCycles; i++ {
-		got, err = scanDataFolder(context.Background(), nil, base, got, getSize, 0, weSleep)
+		got, err = scanDataFolder(context.Background(), nil, &xls, got, getSize, 0, weSleep)
 		got.Info.NextCycle++
 		if err != nil {
 			t.Fatal(err)
@@ -283,8 +289,12 @@ func TestDataUsageUpdatePrefix(t *testing.T) {
 	}

 	weSleep := func() bool { return false }
+	xls := xlStorage{drivePath: base, diskInfoCache: cachevalue.New[DiskInfo]()}
+	xls.diskInfoCache.InitOnce(time.Second, cachevalue.Opts{}, func(ctx context.Context) (DiskInfo, error) {
+		return DiskInfo{Total: 1 << 40, Free: 1 << 40}, nil
+	})

-	got, err := scanDataFolder(context.Background(), nil, base, dataUsageCache{Info: dataUsageCacheInfo{Name: "bucket"}}, getSize, 0, weSleep)
+	got, err := scanDataFolder(context.Background(), nil, &xls, dataUsageCache{Info: dataUsageCacheInfo{Name: "bucket"}}, getSize, 0, weSleep)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -419,7 +429,7 @@ func TestDataUsageUpdatePrefix(t *testing.T) {
 	}
 	// Changed dir must be picked up in this many cycles.
 	for i := 0; i < dataUsageUpdateDirCycles; i++ {
-		got, err = scanDataFolder(context.Background(), nil, base, got, getSize, 0, weSleep)
+		got, err = scanDataFolder(context.Background(), nil, &xls, got, getSize, 0, weSleep)
 		got.Info.NextCycle++
 		if err != nil {
 			t.Fatal(err)
@@ -567,8 +577,12 @@ func TestDataUsageCacheSerialize(t *testing.T) {
 		}
 		return
 	}
+	xls := xlStorage{drivePath: base, diskInfoCache: cachevalue.New[DiskInfo]()}
+	xls.diskInfoCache.InitOnce(time.Second, cachevalue.Opts{}, func(ctx context.Context) (DiskInfo, error) {
+		return DiskInfo{Total: 1 << 40, Free: 1 << 40}, nil
+	})
 	weSleep := func() bool { return false }
-	want, err := scanDataFolder(context.Background(), nil, base, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, getSize, 0, weSleep)
+	want, err := scanDataFolder(context.Background(), nil, &xls, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, getSize, 0, weSleep)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -22,7 +22,7 @@ import (

 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/mux"
-	"github.com/minio/pkg/v2/policy"
+	"github.com/minio/pkg/v3/policy"
 )

 // Data types used for returning dummy tagging XML.
@@ -1025,7 +1025,9 @@ func DecryptObjectInfo(info *ObjectInfo, r *http.Request) (encrypted bool, err e
 	if encrypted {
 		if crypto.SSEC.IsEncrypted(info.UserDefined) {
 			if !(crypto.SSEC.IsRequested(headers) || crypto.SSECopy.IsRequested(headers)) {
-				return encrypted, errEncryptedObject
+				if r.Header.Get(xhttp.MinIOSourceReplicationRequest) != "true" {
+					return encrypted, errEncryptedObject
+				}
 			}
 		}

@@ -1077,13 +1079,16 @@ func metadataEncrypter(key crypto.ObjectKey) objectMetaEncryptFn {
 }

 // metadataDecrypter reverses metadataEncrypter.
-func (o *ObjectInfo) metadataDecrypter() objectMetaDecryptFn {
+func (o *ObjectInfo) metadataDecrypter(h http.Header) objectMetaDecryptFn {
 	return func(baseKey string, input []byte) ([]byte, error) {
 		if len(input) == 0 {
 			return input, nil
 		}
-
-		key, err := decryptObjectMeta(nil, o.Bucket, o.Name, o.UserDefined)
+		var key []byte
+		if k, err := crypto.SSEC.ParseHTTP(h); err == nil {
+			key = k[:]
+		}
+		key, err := decryptObjectMeta(key, o.Bucket, o.Name, o.UserDefined)
 		if err != nil {
 			return nil, err
 		}
@@ -1095,13 +1100,13 @@ func (o *ObjectInfo) metadataDecrypter() objectMetaDecryptFn {

 // decryptChecksums will attempt to decode checksums and return it/them if set.
 // if part > 0, and we have the checksum for the part that will be returned.
-func (o *ObjectInfo) decryptPartsChecksums() {
+func (o *ObjectInfo) decryptPartsChecksums(h http.Header) {
 	data := o.Checksum
 	if len(data) == 0 {
 		return
 	}
 	if _, encrypted := crypto.IsEncrypted(o.UserDefined); encrypted {
-		decrypted, err := o.metadataDecrypter()("object-checksum", data)
+		decrypted, err := o.metadataDecrypter(h)("object-checksum", data)
 		if err != nil {
 			encLogIf(GlobalContext, err)
 			return
@@ -1157,15 +1162,17 @@ func (o *ObjectInfo) metadataEncryptFn(headers http.Header) (objectMetaEncryptFn

 // decryptChecksums will attempt to decode checksums and return it/them if set.
 // if part > 0, and we have the checksum for the part that will be returned.
-func (o *ObjectInfo) decryptChecksums(part int) map[string]string {
+func (o *ObjectInfo) decryptChecksums(part int, h http.Header) map[string]string {
 	data := o.Checksum
 	if len(data) == 0 {
 		return nil
 	}
 	if _, encrypted := crypto.IsEncrypted(o.UserDefined); encrypted {
-		decrypted, err := o.metadataDecrypter()("object-checksum", data)
+		decrypted, err := o.metadataDecrypter(h)("object-checksum", data)
 		if err != nil {
-			encLogIf(GlobalContext, err)
+			if err != crypto.ErrSecretKeyMismatch {
+				encLogIf(GlobalContext, err)
+			}
 			return nil
 		}
 		data = decrypted
@@ -28,8 +28,8 @@ import (
 	"github.com/cespare/xxhash/v2"
 	"github.com/minio/minio-go/v7/pkg/set"
 	"github.com/minio/minio/internal/config"
-	"github.com/minio/pkg/v2/ellipses"
-	"github.com/minio/pkg/v2/env"
+	"github.com/minio/pkg/v3/ellipses"
+	"github.com/minio/pkg/v3/env"
 )

 // This file implements and supports ellipses pattern for
@@ -22,7 +22,7 @@ import (
 	"reflect"
 	"testing"

-	"github.com/minio/pkg/v2/ellipses"
+	"github.com/minio/pkg/v3/ellipses"
 )

 // Tests create endpoints with ellipses and without.
@@ -36,8 +36,8 @@ import (
 	"github.com/minio/minio/internal/config"
 	"github.com/minio/minio/internal/logger"
 	"github.com/minio/minio/internal/mountinfo"
-	"github.com/minio/pkg/v2/env"
-	xnet "github.com/minio/pkg/v2/net"
+	"github.com/minio/pkg/v3/env"
+	xnet "github.com/minio/pkg/v3/net"
 	"golang.org/x/exp/slices"
 )

@@ -253,6 +253,14 @@ type PoolEndpoints struct {
 // EndpointServerPools - list of list of endpoints
 type EndpointServerPools []PoolEndpoints

+// ESCount returns the total number of erasure sets in this cluster
+func (l EndpointServerPools) ESCount() (count int) {
+	for _, p := range l {
+		count += p.SetCount
+	}
+	return
+}
+
 // GetNodes returns a sorted list of nodes in this cluster
 func (l EndpointServerPools) GetNodes() (nodes []Node) {
 	nodesMap := make(map[string]Node)
@@ -25,7 +25,7 @@ import (
 	"sync"
 	"time"

-	"github.com/minio/pkg/v2/sync/errgroup"
+	"github.com/minio/pkg/v3/sync/errgroup"
 )

 func (er erasureObjects) getOnlineDisks() (newDisks []StorageAPI) {
@@ -202,6 +202,9 @@ func (p *parallelReader) Read(dst [][]byte) ([][]byte, error) {

 				// This will be communicated upstream.
 				p.orgReaders[bufIdx] = nil
+				if br, ok := p.readers[i].(io.Closer); ok {
+					br.Close()
+				}
 				p.readers[i] = nil

 				// Since ReadAt returned error, trigger another read.
@@ -346,7 +349,7 @@ func (e Erasure) Heal(ctx context.Context, writers []io.Writer, readers []io.Rea
 			return err
 		}

-		w := parallelWriter{
+		w := multiWriter{
 			writers:     writers,
 			writeQuorum: 1,
 			errs:        make([]error, len(writers)),
@@ -21,44 +21,36 @@ import (
 	"context"
 	"fmt"
 	"io"
-	"sync"
 )

-// Writes in parallel to writers
-type parallelWriter struct {
+// Writes to multiple writers
+type multiWriter struct {
 	writers     []io.Writer
 	writeQuorum int
 	errs        []error
 }

-// Write writes data to writers in parallel.
-func (p *parallelWriter) Write(ctx context.Context, blocks [][]byte) error {
-	var wg sync.WaitGroup
-
+// Write writes data to writers.
+func (p *multiWriter) Write(ctx context.Context, blocks [][]byte) error {
 	for i := range p.writers {
+		if p.errs[i] != nil {
+			continue
+		}
 		if p.writers[i] == nil {
 			p.errs[i] = errDiskNotFound
 			continue
 		}
-		if p.errs[i] != nil {
-			continue
-		}
-		wg.Add(1)
-		go func(i int) {
-			defer wg.Done()
-			var n int
-			n, p.errs[i] = p.writers[i].Write(blocks[i])
-			if p.errs[i] == nil {
-				if n != len(blocks[i]) {
-					p.errs[i] = io.ErrShortWrite
-					p.writers[i] = nil
-				}
-			} else {
+		var n int
+		n, p.errs[i] = p.writers[i].Write(blocks[i])
+		if p.errs[i] == nil {
+			if n != len(blocks[i]) {
+				p.errs[i] = io.ErrShortWrite
 				p.writers[i] = nil
 			}
-		}(i)
+		} else {
+			p.writers[i] = nil
+		}
 	}
-	wg.Wait()

 	// If nilCount >= p.writeQuorum, we return nil. This is because HealFile() uses
 	// CreateFile with p.writeQuorum=1 to accommodate healing of single disk.
@@ -75,7 +67,7 @@ func (p *parallelWriter) Write(ctx context.Context, blocks [][]byte) error {

 // Encode reads from the reader, erasure-encodes the data and writes to the writers.
 func (e *Erasure) Encode(ctx context.Context, src io.Reader, writers []io.Writer, buf []byte, quorum int) (total int64, err error) {
-	writer := &parallelWriter{
+	writer := &multiWriter{
 		writers:     writers,
 		writeQuorum: quorum,
 		errs:        make([]error, len(writers)),
@@ -20,6 +20,7 @@ package cmd
 import (
 	"bytes"
 	"context"
+	"slices"
 	"time"

 	"github.com/minio/madmin-go/v3"
@@ -253,6 +254,33 @@ func listOnlineDisks(disks []StorageAPI, partsMetadata []FileInfo, errs []error,
 	return onlineDisks, modTime, ""
 }

+// Convert verify or check parts returned error to integer representation
+func convPartErrToInt(err error) int {
+	err = unwrapAll(err)
+	switch err {
+	case nil:
+		return checkPartSuccess
+	case errFileNotFound, errFileVersionNotFound:
+		return checkPartFileNotFound
+	case errFileCorrupt:
+		return checkPartFileCorrupt
+	case errVolumeNotFound:
+		return checkPartVolumeNotFound
+	case errDiskNotFound:
+		return checkPartDiskNotFound
+	default:
+		return checkPartUnknown
+	}
+}
+
+func partNeedsHealing(partErrs []int) bool {
+	return slices.IndexFunc(partErrs, func(i int) bool { return i != checkPartSuccess && i != checkPartUnknown }) > -1
+}
+
+func hasPartErr(partErrs []int) bool {
+	return slices.IndexFunc(partErrs, func(i int) bool { return i != checkPartSuccess }) > -1
+}
+
 // disksWithAllParts - This function needs to be called with
 // []StorageAPI returned by listOnlineDisks. Returns,
 //
@@ -262,10 +290,19 @@ func listOnlineDisks(disks []StorageAPI, partsMetadata []FileInfo, errs []error,
 //     a not-found error or a hash-mismatch error.
 func disksWithAllParts(ctx context.Context, onlineDisks []StorageAPI, partsMetadata []FileInfo,
 	errs []error, latestMeta FileInfo, bucket, object string,
-	scanMode madmin.HealScanMode) ([]StorageAPI, []error, time.Time,
-) {
-	availableDisks := make([]StorageAPI, len(onlineDisks))
-	dataErrs := make([]error, len(onlineDisks))
+	scanMode madmin.HealScanMode,
+) (availableDisks []StorageAPI, dataErrsByDisk map[int][]int, dataErrsByPart map[int][]int) {
+	availableDisks = make([]StorageAPI, len(onlineDisks))
+
+	dataErrsByDisk = make(map[int][]int, len(onlineDisks))
+	for i := range onlineDisks {
+		dataErrsByDisk[i] = make([]int, len(latestMeta.Parts))
+	}
+
+	dataErrsByPart = make(map[int][]int, len(latestMeta.Parts))
+	for i := range latestMeta.Parts {
+		dataErrsByPart[i] = make([]int, len(onlineDisks))
+	}

 	inconsistent := 0
 	for i, meta := range partsMetadata {
@@ -295,19 +332,21 @@ func disksWithAllParts(ctx context.Context, onlineDisks []StorageAPI, partsMetad
 		erasureDistributionReliable = false
 	}

+	metaErrs := make([]error, len(errs))
+
 	for i, onlineDisk := range onlineDisks {
 		if errs[i] != nil {
-			dataErrs[i] = errs[i]
+			metaErrs[i] = errs[i]
 			continue
 		}
 		if onlineDisk == OfflineDisk {
-			dataErrs[i] = errDiskNotFound
+			metaErrs[i] = errDiskNotFound
 			continue
 		}

 		meta := partsMetadata[i]
 		if !meta.ModTime.Equal(latestMeta.ModTime) || meta.DataDir != latestMeta.DataDir {
-			dataErrs[i] = errFileCorrupt
+			metaErrs[i] = errFileCorrupt
 			partsMetadata[i] = FileInfo{}
 			continue
 		}
@@ -315,7 +354,7 @@ func disksWithAllParts(ctx context.Context, onlineDisks []StorageAPI, partsMetad
 		if erasureDistributionReliable {
 			if !meta.IsValid() {
 				partsMetadata[i] = FileInfo{}
-				dataErrs[i] = errFileCorrupt
+				metaErrs[i] = errFileCorrupt
 				continue
 			}

@@ -325,46 +364,79 @@ func disksWithAllParts(ctx context.Context, onlineDisks []StorageAPI, partsMetad
 					// attempt a fix if possible, assuming other entries
 					// might have the right erasure distribution.
 					partsMetadata[i] = FileInfo{}
-					dataErrs[i] = errFileCorrupt
+					metaErrs[i] = errFileCorrupt
 					continue
 				}
 			}
 		}
+	}
+
+	// Copy meta errors to part errors
+	for i, err := range metaErrs {
+		if err != nil {
+			partErr := convPartErrToInt(err)
+			for p := range latestMeta.Parts {
+				dataErrsByPart[p][i] = partErr
+			}
+		}
+	}
+
+	for i, onlineDisk := range onlineDisks {
+		if metaErrs[i] != nil {
+			continue
+		}
+		meta := partsMetadata[i]
+
+		if meta.Deleted || meta.IsRemote() {
+			continue
+		}

 		// Always check data, if we got it.
 		if (len(meta.Data) > 0 || meta.Size == 0) && len(meta.Parts) > 0 {
 			checksumInfo := meta.Erasure.GetChecksumInfo(meta.Parts[0].Number)
-			dataErrs[i] = bitrotVerify(bytes.NewReader(meta.Data),
+			verifyErr := bitrotVerify(bytes.NewReader(meta.Data),
 				int64(len(meta.Data)),
 				meta.Erasure.ShardFileSize(meta.Size),
 				checksumInfo.Algorithm,
 				checksumInfo.Hash, meta.Erasure.ShardSize())
-			if dataErrs[i] == nil {
-				// All parts verified, mark it as all data available.
-				availableDisks[i] = onlineDisk
-			} else {
-				// upon errors just make that disk's fileinfo invalid
-				partsMetadata[i] = FileInfo{}
-			}
+			dataErrsByPart[0][i] = convPartErrToInt(verifyErr)
 			continue
 		}

+		var (
+			verifyErr  error
+			verifyResp *CheckPartsResp
+		)
+
 		meta.DataDir = latestMeta.DataDir
 		switch scanMode {
 		case madmin.HealDeepScan:
 			// disk has a valid xl.meta but may not have all the
 			// parts. This is considered an outdated disk, since
 			// it needs healing too.
-			if !meta.Deleted && !meta.IsRemote() {
-				dataErrs[i] = onlineDisk.VerifyFile(ctx, bucket, object, meta)
-			}
-		case madmin.HealNormalScan:
-			if !meta.Deleted && !meta.IsRemote() {
-				dataErrs[i] = onlineDisk.CheckParts(ctx, bucket, object, meta)
-			}
+			verifyResp, verifyErr = onlineDisk.VerifyFile(ctx, bucket, object, meta)
+		default:
+			verifyResp, verifyErr = onlineDisk.CheckParts(ctx, bucket, object, meta)
 		}

-		if dataErrs[i] == nil {
+		for p := range latestMeta.Parts {
+			if verifyErr != nil {
+				dataErrsByPart[p][i] = convPartErrToInt(verifyErr)
+			} else {
+				dataErrsByPart[p][i] = verifyResp.Results[p]
+			}
+		}
+	}
+
+	// Build dataErrs by disk from dataErrs by part
+	for part, disks := range dataErrsByPart {
+		for disk := range disks {
+			dataErrsByDisk[disk][part] = dataErrsByPart[part][disk]
+		}
+	}
+
+	for i, onlineDisk := range onlineDisks {
+		if metaErrs[i] == nil && !hasPartErr(dataErrsByDisk[i]) {
 			// All parts verified, mark it as all data available.
 			availableDisks[i] = onlineDisk
 		} else {
@@ -373,5 +445,5 @@ func disksWithAllParts(ctx context.Context, onlineDisks []StorageAPI, partsMetad
 		}
 	}

-	return availableDisks, dataErrs, timeSentinel
+	return
 }
@@ -308,9 +308,8 @@ func TestListOnlineDisks(t *testing.T) {
 				t.Fatalf("Expected modTime to be equal to %v but was found to be %v",
 					test.expectedTime, modTime)
 			}
-			availableDisks, newErrs, _ := disksWithAllParts(ctx, onlineDisks, partsMetadata,
+			availableDisks, _, _ := disksWithAllParts(ctx, onlineDisks, partsMetadata,
 				test.errs, fi, bucket, object, madmin.HealDeepScan)
-			test.errs = newErrs

 			if test._tamperBackend != noTamper {
 				if tamperedIndex != -1 && availableDisks[tamperedIndex] != nil {
@@ -491,9 +490,8 @@ func TestListOnlineDisksSmallObjects(t *testing.T) {
 					test.expectedTime, modTime)
 			}

-			availableDisks, newErrs, _ := disksWithAllParts(ctx, onlineDisks, partsMetadata,
+			availableDisks, _, _ := disksWithAllParts(ctx, onlineDisks, partsMetadata,
 				test.errs, fi, bucket, object, madmin.HealDeepScan)
-			test.errs = newErrs

 			if test._tamperBackend != noTamper {
 				if tamperedIndex != -1 && availableDisks[tamperedIndex] != nil {
@@ -554,7 +552,7 @@ func TestDisksWithAllParts(t *testing.T) {

 	erasureDisks, _, _ = listOnlineDisks(erasureDisks, partsMetadata, errs, readQuorum)

-	filteredDisks, errs, _ := disksWithAllParts(ctx, erasureDisks, partsMetadata,
+	filteredDisks, _, dataErrsPerDisk := disksWithAllParts(ctx, erasureDisks, partsMetadata,
 		errs, fi, bucket, object, madmin.HealDeepScan)

 	if len(filteredDisks) != len(erasureDisks) {
@@ -562,8 +560,8 @@ func TestDisksWithAllParts(t *testing.T) {
 	}

 	for diskIndex, disk := range filteredDisks {
-		if errs[diskIndex] != nil {
-			t.Errorf("Unexpected error %s", errs[diskIndex])
+		if partNeedsHealing(dataErrsPerDisk[diskIndex]) {
+			t.Errorf("Unexpected error: %v", dataErrsPerDisk[diskIndex])
 		}

 		if disk == nil {
@@ -634,7 +632,7 @@ func TestDisksWithAllParts(t *testing.T) {
 	}

 	errs = make([]error, len(erasureDisks))
-	filteredDisks, errs, _ = disksWithAllParts(ctx, erasureDisks, partsMetadata,
+	filteredDisks, dataErrsPerDisk, _ = disksWithAllParts(ctx, erasureDisks, partsMetadata,
 		errs, fi, bucket, object, madmin.HealDeepScan)

 	if len(filteredDisks) != len(erasureDisks) {
@@ -646,15 +644,15 @@ func TestDisksWithAllParts(t *testing.T) {
 			if disk != nil {
 				t.Errorf("Drive not filtered as expected, drive: %d", diskIndex)
 			}
-			if errs[diskIndex] == nil {
-				t.Errorf("Expected error not received, driveIndex: %d", diskIndex)
+			if !partNeedsHealing(dataErrsPerDisk[diskIndex]) {
+				t.Errorf("Disk expected to be healed, driveIndex: %d", diskIndex)
 			}
 		} else {
 			if disk == nil {
 				t.Errorf("Drive erroneously filtered, driveIndex: %d", diskIndex)
 			}
-			if errs[diskIndex] != nil {
-				t.Errorf("Unexpected error, %s, driveIndex: %d", errs[diskIndex], diskIndex)
+			if partNeedsHealing(dataErrsPerDisk[diskIndex]) {
+				t.Errorf("Disk not expected to be healed, driveIndex: %d", diskIndex)
 			}

 		}
--- a/Show More
+++ b/Show More