Set Read/Write timeouts only for net.Conn not http.Server (#7431 )

Fixes #7425
HealObjects should remove objects without quorum (#7407 )
2026-10-18 15:36:11 +03:00 · 2019-03-27 22:10:06 +05:30 · 2019-03-26 14:57:44 -07:00 · 2019-03-26 13:59:33 -07:00 · 2019-03-25 13:41:05 -07:00 · 2019-03-25 13:40:08 -07:00
48 changed files with 471 additions and 382 deletions
@@ -4,7 +4,7 @@
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+        <g id="logo" transform="translate(0.187500, -0.683594)" fill="#FFFFFF" fill-rule="nonzero">
+            <path d="M91.49,46.551 C86.7827023,38.7699609 82.062696,30.9966172 77.33,23.231 C74.87,19.231 72.33,15.231 69.88,11.231 C69.57,10.731 69.18,10.291 68.88,9.831 C64.35,2.931 55.44,-1.679 46.73,2.701 C42.9729806,4.51194908 40.0995718,7.75449451 38.7536428,11.7020516 C37.4077139,15.6496086 37.701799,19.9721186 39.57,23.701 C41.08,26.641 43.57,29.121 45.91,31.581 C53.03,39.141 60.38,46.491 67.45,54.111 C72.4175495,59.4492221 74.4526451,66.8835066 72.8965704,74.0075359 C71.3404956,81.1315653 66.390952,87.0402215 59.65,89.821 C59.4938176,89.83842 59.3361824,89.83842 59.18,89.821 L59.18,54.591 C46.6388051,61.0478363 35.3944735,69.759905 26.01,80.291 C11.32,96.671 2.64,117.141 0.01,132.071 L23.96,119.821 C31.96,115.771 39.86,111.821 48.14,107.581 L48.14,175.921 L59.14,187.131 L59.14,101.831 C59.14,101.831 59.39,101.711 60.22,101.261 C63.5480598,99.6738911 66.7772674,97.8873078 69.89,95.911 C77.7130888,90.4306687 82.7479457,81.8029342 83.6709542,72.295947 C84.5939627,62.7889599 81.3127806,53.3538429 74.69,46.471 C66.49,37.891 58.24,29.351 50.05,20.761 C47.67,18.261 47.72,15.101 50.05,12.881 C52.38,10.661 55.56,10.881 57.96,13.331 L61.38,16.781 C64.1,19.681 66.79,22.611 69.53,25.481 C76.4547149,32.7389629 83.3947303,39.9823123 90.35,47.211 C90.7,47.571 91.12,47.871 91.5,48.211 L91.93,47.951 C91.8351945,47.4695902 91.6876376,47.0000911 91.49,46.551 Z M48.11,94.931 C47.9883217,95.5022568 47.6230065,95.9917791 47.11,96.271 C42.72,98.601 38.29,100.871 33.87,103.141 L17.76,111.401 C24.771203,96.7435071 35.1132853,83.9289138 47.96,73.981 C48.08,74.221 48.16,74.301 48.16,74.381 C48.15,81.231 48.17,88.081 48.11,94.931 Z" id="Shape"></path>
        </g>
    </g>
 </svg>
@@ -1,10 +1,14 @@
 <!DOCTYPE html>
 <html>
-
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
-        <title>Minio Browser</title>
+        <title>MinIO Browser</title>
+
+        <link rel="icon" type="image/png" sizes="32x32" href="/minio/favicon-32x32.png">
+        <link rel="icon" type="image/png" sizes="96x96" href="/minio/favicon-96x96.png">
+        <link rel="icon" type="image/png" sizes="16x16" href="/minio/favicon-16x16.png">
+
        <link rel="stylesheet" href="/minio/loader.css" type="text/css">
    </head>

@@ -23,7 +27,6 @@

                    You are using Internet Explorer version 12.0 or lower. Due to security issues and lack of support for Web Standards it is highly recommended that you upgrade to a modern browser

-
                    <ul>
                        <li>
                            <a href="http://www.google.com/chrome/">
@@ -38,7 +38,7 @@ export const SideBar = ({ sidebarOpen, clickOutside }) => {
      >
        <div className="fes-header clearfix hidden-sm hidden-xs">
          <img src={logo} alt="" />
-          <h2>Minio Browser</h2>
+          <h2>MinIO Browser</h2>
        </div>
        <div className="fes-list">
          {web.LoggedIn() && <BucketSearch />}
@@ -170,10 +170,12 @@ select.form-control {
        position: absolute;
        left: 2px;
        top: 8px;
+        color: rgba(255, 255, 255, 0.5);
    }

    .ig-text {
        padding-left: 25px;
+        .placeholder(rgba(255, 255, 255, 0.5))
    }
 }

@@ -1,7 +1,7 @@
 .login {
    height: 100vh;
    min-height: 500px;
-    background: @dark-gray;
+    background: #002a37;

    text-align: center;
    &:before {
@@ -99,6 +99,7 @@
    Chrome autofill fix
 -------------------------------*/
 input:-webkit-autofill {
-     -webkit-box-shadow:0 0 0 50px @dark-gray inset !important;
+     -webkit-box-shadow:0 0 0 50px #002a37 inset !important;
     -webkit-text-fill-color: @white !important;
+    caret-color: white;
 }
@@ -50,3 +50,12 @@
    -webkit-animation: zoomIn 250ms, spin 700ms 250ms infinite linear;
    animation: zoomIn 250ms, spin 700ms 250ms infinite linear;
 }
+
+/*----------------------------------------
+    Placeholder
+-----------------------------------------*/
+.placeholder(@color) {
+    ::-webkit-input-placeholder { color: @color }
+    ::-moz-placeholder { color: @color }
+    :-ms-input-placeholder { color: @color }
+}
@@ -32,7 +32,7 @@
    }

    .modal-content {
-        background-color: @dark-gray;
+        background-color: #00303f;
    }
 }

@@ -139,8 +139,8 @@
            top: 0;
            left: 0;
            position: absolute;
-            border-radius: 3px 0 0px 3px;
-            background-color: #23282C;
+            border-radius: 3px 0 0 3px;
+            background-color: #022631;
        }
    }
 }
@@ -3,7 +3,7 @@
 ----------------------------*/
 .fe-sidebar {
 	width: @fe-sidebar-width;
-	background-color: @dark-gray;
+	background-color: @fe-sidebar-bg;
 	position: fixed;
 	height: 100%;
 	overflow: hidden;
@@ -27,7 +27,7 @@
 	}

 	a {
-		color: rgba(255, 255, 255, 0.58);
+		color: rgba(255, 255, 255, 0.75);

 		&:hover {
 			color: @white;
@@ -47,12 +47,14 @@
 	}

 	h2 {
-		margin: 13px 0 0 10px;
+		margin: 6px 0 0 13px;
 		font-weight: normal;
+		color: @white;
+		font-size: 20px;
 	}

 	img {
-		width: 32px;
+		width: 20px;
 	}
 }

@@ -95,7 +97,7 @@
 		}

 		&.active {
-			background-color: #282e32;
+			background-color: rgba(0,0,0,0.1);

 			& > a {
 				color: @white;
@@ -103,7 +105,7 @@
 		}

 		&:not(.active):hover {
-			background-color: rgba(0, 0, 0, 0.1);
+			background-color: rgba(0, 0, 0, 0.05);

 			& > a {
 				color: @white;
@@ -192,8 +194,7 @@
 	left: 0;
 	bottom: 0;
 	z-index: 1;
-	background: @dark-gray;
-	color: rgba(255, 255, 255, 0.4);
+	background-color: rgba(0,0,0,0.1);
 	font-size: 15px;
 	font-weight: 400;
 	width: @fe-sidebar-width;
@@ -14,9 +14,11 @@
    File Explorer
 ----------------------------*/
@fe-sidebar-width                   : 320px;
+@fe-sidebar-bg                      : #00303f;
@text-muted-color                   : #BDBDBD;
@text-strong-color                  : #333;

+
 /*--------------------------
    Colors
 ----------------------------*/
@@ -93,11 +93,13 @@ var exports = {
  plugins: [
    new CopyWebpackPlugin([
      {from: 'app/css/loader.css'},
-      {from: 'app/img/favicon.ico'},
      {from: 'app/img/browsers/chrome.png'},
      {from: 'app/img/browsers/firefox.png'},
      {from: 'app/img/browsers/safari.png'},
      {from: 'app/img/logo.svg'},
+      {from: 'app/img/favicon/favicon-16x16.png'},
+      {from: 'app/img/favicon/favicon-32x32.png'},
+      {from: 'app/img/favicon/favicon-96x96.png'},
      {from: 'app/index.html'}
    ]),
    new webpack.ContextReplacementPlugin(/moment[\\\/]locale$/, /^\.\/(en)$/),
@@ -69,11 +69,13 @@ var exports = {
  plugins: [
    new CopyWebpackPlugin([
      {from: 'app/css/loader.css'},
-      {from: 'app/img/favicon.ico'},
      {from: 'app/img/browsers/chrome.png'},
      {from: 'app/img/browsers/firefox.png'},
      {from: 'app/img/browsers/safari.png'},
      {from: 'app/img/logo.svg'},
+      {from: 'app/img/favicon/favicon-16x16.png'},
+      {from: 'app/img/favicon/favicon-32x32.png'},
+      {from: 'app/img/favicon/favicon-96x96.png'},
      {from: 'app/index.html'}
    ]),
    new webpack.ContextReplacementPlugin(/moment[\\\/]locale$/, /^\.\/(en)$/),
@@ -1,12 +1,6 @@
 #!/usr/bin/env bash

 set -e
-echo "" > coverage.txt

-for d in $(go list ./... | grep -v browser); do
-    CGO_ENABLED=0 go test -v -coverprofile=profile.out -covermode=atomic "$d"
-    if [ -f profile.out ]; then
-        cat profile.out >> coverage.txt
-        rm profile.out
-    fi
-done
+
+CGO_ENABLED=0 go test -v -coverprofile=coverage.txt -covermode=atomic ./...
@@ -1480,14 +1480,6 @@ func (a adminAPIHandlers) UpdateAdminCredentialsHandler(w http.ResponseWriter,
 		return
 	}

-	// Notify all other Minio peers to update credentials
-	for _, nerr := range globalNotificationSys.LoadCredentials() {
-		if nerr.Err != nil {
-			logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
-			logger.LogIf(ctx, nerr.Err)
-		}
-	}
-
 	// Reply to the client before restarting minio server.
 	writeSuccessResponseHeadersOnly(w)
 }
@@ -84,9 +84,11 @@ func newStreamingBitrotWriter(disk StorageAPI, volume, filePath string, length i
 		totalFileSize := bitrotSumsTotalSize + length
 		err := disk.CreateFile(volume, filePath, totalFileSize, r)
 		if err != nil {
-			logger.LogIf(context.Background(), err)
-			r.CloseWithError(err)
+			reqInfo := (&logger.ReqInfo{}).AppendTags("storageDisk", disk.String())
+			ctx := logger.SetReqInfo(context.Background(), reqInfo)
+			logger.LogIf(ctx, err)
 		}
+		r.CloseWithError(err)
 		close(bw.canClose)
 	}()
 	return bw
@@ -125,7 +127,9 @@ func (b *streamingBitrotReader) ReadAt(buf []byte, offset int64) (int, error) {
 		streamOffset := (offset/b.shardSize)*int64(b.h.Size()) + offset
 		b.rc, err = b.disk.ReadFileStream(b.volume, b.filePath, streamOffset, b.tillOffset-streamOffset)
 		if err != nil {
-			logger.LogIf(context.Background(), err)
+			reqInfo := (&logger.ReqInfo{}).AppendTags("storageDisk", b.disk.String())
+			ctx := logger.SetReqInfo(context.Background(), reqInfo)
+			logger.LogIf(ctx, err)
 			return 0, err
 		}
 	}
@@ -133,7 +133,7 @@ func newBitrotReader(disk StorageAPI, bucket string, filePath string, tillOffset
 // Close all the readers.
 func closeBitrotReaders(rs []io.ReaderAt) {
 	for _, r := range rs {
-		if br, ok := r.(*streamingBitrotReader); ok {
+		if br, ok := r.(io.Closer); ok {
 			br.Close()
 		}
 	}
@@ -142,7 +142,7 @@ func closeBitrotReaders(rs []io.ReaderAt) {
 // Close all the writers.
 func closeBitrotWriters(ws []io.Writer) {
 	for _, w := range ws {
-		if bw, ok := w.(*streamingBitrotWriter); ok {
+		if bw, ok := w.(io.Closer); ok {
 			bw.Close()
 		}
 	}
@@ -22,7 +22,6 @@ import (
 	"encoding/xml"
 	"fmt"
 	"io"
-	"net"
 	"net/http"
 	"net/url"
 	"path"
@@ -371,13 +370,6 @@ func (api objectAPIHandlers) DeleteMultipleObjectsHandler(w http.ResponseWriter,
 	// Write success response.
 	writeSuccessResponseXML(w, encodedSuccessResponse)

-	// Get host and port from Request.RemoteAddr failing which
-	// fill them with empty strings.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
-
 	// Notify deleted event for objects.
 	for _, dobj := range deletedObjects {
 		sendEvent(eventArgs{
@@ -389,8 +381,7 @@ func (api objectAPIHandlers) DeleteMultipleObjectsHandler(w http.ResponseWriter,
 			ReqParams:    extractReqParams(r),
 			RespElements: extractRespElements(w),
 			UserAgent:    r.UserAgent(),
-			Host:         host,
-			Port:         port,
+			Host:         handlers.GetSourceIP(r),
 		})
 	}
 }
@@ -681,12 +672,6 @@ func (api objectAPIHandlers) PostPolicyBucketHandler(w http.ResponseWriter, r *h
 	w.Header().Set("ETag", `"`+objInfo.ETag+`"`)
 	w.Header().Set("Location", location)

-	// Get host and port from Request.RemoteAddr.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
-
 	// Notify object created event.
 	defer sendEvent(eventArgs{
 		EventName:    event.ObjectCreatedPost,
@@ -695,8 +680,7 @@ func (api objectAPIHandlers) PostPolicyBucketHandler(w http.ResponseWriter, r *h
 		ReqParams:    extractReqParams(r),
 		RespElements: extractRespElements(w),
 		UserAgent:    r.UserAgent(),
-		Host:         host,
-		Port:         port,
+		Host:         handlers.GetSourceIP(r),
 	})

 	if successRedirect != "" {
@@ -564,12 +564,35 @@ func (a *azureObjects) ListObjects(ctx context.Context, bucket, prefix, marker,
 				// skip all the entries till we reach the marker.
 				continue
 			}
+			// Populate correct ETag's if possible, this code primarily exists
+			// because AWS S3 indicates that
+			//
+			// https://docs.aws.amazon.com/AmazonS3/latest/API/RESTCommonResponseHeaders.html
+			//
+			// Objects created by the PUT Object, POST Object, or Copy operation,
+			// or through the AWS Management Console, and are encrypted by SSE-S3
+			// or plaintext, have ETags that are an MD5 digest of their object data.
+			//
+			// Some applications depend on this behavior refer https://github.com/minio/minio/issues/6550
+			// So we handle it here and make this consistent.
+			etag := minio.ToS3ETag(blob.Properties.Etag)
+			switch {
+			case blob.Properties.ContentMD5 != "":
+				b, err := base64.StdEncoding.DecodeString(blob.Properties.ContentMD5)
+				if err == nil {
+					etag = hex.EncodeToString(b)
+				}
+			case blob.Metadata["md5sum"] != "":
+				etag = blob.Metadata["md5sum"]
+				delete(blob.Metadata, "md5sum")
+			}
+
 			objects = append(objects, minio.ObjectInfo{
 				Bucket:          bucket,
 				Name:            blob.Name,
 				ModTime:         time.Time(blob.Properties.LastModified),
 				Size:            blob.Properties.ContentLength,
-				ETag:            minio.ToS3ETag(blob.Properties.Etag),
+				ETag:            etag,
 				ContentType:     blob.Properties.ContentType,
 				ContentEncoding: blob.Properties.ContentEncoding,
 			})
@@ -78,7 +78,7 @@ const (
 	globalMaxSkewTime = 15 * time.Minute // 15 minutes skew allowed.

 	// GlobalMultipartExpiry - Expiry duration after which the multipart uploads are deemed stale.
-	GlobalMultipartExpiry = time.Hour * 24 * 14 // 2 weeks.
+	GlobalMultipartExpiry = time.Hour * 24 * 3 // 3 days.
 	// GlobalMultipartCleanupInterval - Cleanup interval when the stale multipart cleanup is initiated.
 	GlobalMultipartCleanupInterval = time.Hour * 24 // 24 hrs.

@@ -57,6 +57,8 @@ const (
 type Server struct {
 	http.Server
 	Addrs                  []string      // addresses on which the server listens for new connection.
+	ReadTimeout            time.Duration // timeout used for net.Conn.Read() deadlines.
+	WriteTimeout           time.Duration // timeout used for net.Conn.Write() deadlines.
 	ShutdownTimeout        time.Duration // timeout used for graceful server shutdown.
 	TCPKeepAliveTimeout    time.Duration // timeout used for underneath TCP connection.
 	UpdateBytesReadFunc    func(int)     // function to be called to update bytes read in bufConn.
@@ -343,7 +343,7 @@ func logIf(ctx context.Context, err error) {
 		entry.API.Args.Bucket = hashString(entry.API.Args.Bucket)
 		entry.API.Args.Object = hashString(entry.API.Args.Object)
 		entry.RemoteHost = hashString(entry.RemoteHost)
-		entry.Message = reflect.TypeOf(err).String()
+		entry.Trace.Message = reflect.TypeOf(err).String()
 		entry.Trace.Variables = make(map[string]string)
 	}

@@ -169,19 +169,6 @@ func (sys *NotificationSys) LoadUsers() []NotificationPeerErr {
 	return ng.Wait()
 }

-// LoadCredentials - calls LoadCredentials RPC call on all peers.
-func (sys *NotificationSys) LoadCredentials() []NotificationPeerErr {
-	ng := WithNPeers(len(sys.peerClients))
-	for idx, client := range sys.peerClients {
-		if client == nil {
-			continue
-		}
-		client := client
-		ng.Go(context.Background(), client.LoadCredentials, idx, *client.host)
-	}
-	return ng.Wait()
-}
-
 // StartProfiling - start profiling on remote peers, by initiating a remote RPC.
 func (sys *NotificationSys) StartProfiling(profiler string) []NotificationPeerErr {
 	ng := WithNPeers(len(sys.peerClients))
@@ -852,7 +839,6 @@ type eventArgs struct {
 	ReqParams    map[string]string
 	RespElements map[string]string
 	Host         string
-	Port         string
 	UserAgent    string
 }

@@ -907,7 +893,6 @@ func (args eventArgs) ToEvent() event.Event {
 		},
 		Source: event.Source{
 			Host:      args.Host,
-			Port:      args.Port,
 			UserAgent: args.UserAgent,
 		},
 	}
@@ -18,7 +18,6 @@ package cmd

 import (
 	"context"
-	"net"
 	"net/http"
 	"strings"
 	"time"
@@ -99,13 +98,14 @@ func checkCopyObjectPreconditions(ctx context.Context, w http.ResponseWriter, r
 		}
 	}

-	ssec := crypto.SSECopy.IsRequested(r.Header)
+	shouldDecryptEtag := crypto.SSECopy.IsRequested(r.Header) && !crypto.IsMultiPart(objInfo.UserDefined)
+
 	// x-amz-copy-source-if-match : Return the object only if its entity tag (ETag) is the
 	// same as the one specified; otherwise return a 412 (precondition failed).
 	ifMatchETagHeader := r.Header.Get("x-amz-copy-source-if-match")
 	if ifMatchETagHeader != "" {
 		etag := objInfo.ETag
-		if ssec {
+		if shouldDecryptEtag {
 			etag = encETag[len(encETag)-32:]
 		}
 		if objInfo.ETag != "" && !isETagEqual(etag, ifMatchETagHeader) {
@@ -121,7 +121,7 @@ func checkCopyObjectPreconditions(ctx context.Context, w http.ResponseWriter, r
 	ifNoneMatchETagHeader := r.Header.Get("x-amz-copy-source-if-none-match")
 	if ifNoneMatchETagHeader != "" {
 		etag := objInfo.ETag
-		if ssec {
+		if shouldDecryptEtag {
 			etag = encETag[len(encETag)-32:]
 		}
 		if objInfo.ETag != "" && isETagEqual(etag, ifNoneMatchETagHeader) {
@@ -253,9 +253,6 @@ func deleteObject(ctx context.Context, obj ObjectLayer, cache CacheObjectLayer,
 		return err
 	}

-	// Get host and port from Request.RemoteAddr.
-	host, port, _ := net.SplitHostPort(handlers.GetSourceIP(r))
-
 	// Notify object deleted event.
 	sendEvent(eventArgs{
 		EventName:  event.ObjectRemovedDelete,
@@ -265,8 +262,7 @@ func deleteObject(ctx context.Context, obj ObjectLayer, cache CacheObjectLayer,
 		},
 		ReqParams: extractReqParams(r),
 		UserAgent: r.UserAgent(),
-		Host:      host,
-		Port:      port,
+		Host:      handlers.GetSourceIP(r),
 	})

 	return nil
@@ -24,7 +24,6 @@ import (
 	"encoding/xml"
 	"io"
 	goioutil "io/ioutil"
-	"net"
 	"net/http"
 	"net/url"
 	"sort"
@@ -221,12 +220,6 @@ func (api objectAPIHandlers) SelectObjectContentHandler(w http.ResponseWriter, r
 	s3Select.Evaluate(w)
 	s3Select.Close()

-	// Get host and port from Request.RemoteAddr.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
-
 	// Notify object accessed via a GET request.
 	sendEvent(eventArgs{
 		EventName:    event.ObjectAccessedGet,
@@ -235,8 +228,7 @@ func (api objectAPIHandlers) SelectObjectContentHandler(w http.ResponseWriter, r
 		ReqParams:    extractReqParams(r),
 		RespElements: extractRespElements(w),
 		UserAgent:    r.UserAgent(),
-		Host:         host,
-		Port:         port,
+		Host:         handlers.GetSourceIP(r),
 	})
 }

@@ -402,12 +394,6 @@ func (api objectAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Req
 		}
 	}

-	// Get host and port from Request.RemoteAddr.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
-
 	// Notify object accessed via a GET request.
 	sendEvent(eventArgs{
 		EventName:    event.ObjectAccessedGet,
@@ -416,8 +402,7 @@ func (api objectAPIHandlers) GetObjectHandler(w http.ResponseWriter, r *http.Req
 		ReqParams:    extractReqParams(r),
 		RespElements: extractRespElements(w),
 		UserAgent:    r.UserAgent(),
-		Host:         host,
-		Port:         port,
+		Host:         handlers.GetSourceIP(r),
 	})
 }

@@ -562,11 +547,6 @@ func (api objectAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Re
 		w.WriteHeader(http.StatusOK)
 	}

-	// Get host and port from Request.RemoteAddr.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
 	// Notify object accessed via a HEAD request.
 	sendEvent(eventArgs{
 		EventName:    event.ObjectAccessedHead,
@@ -575,8 +555,7 @@ func (api objectAPIHandlers) HeadObjectHandler(w http.ResponseWriter, r *http.Re
 		ReqParams:    extractReqParams(r),
 		RespElements: extractRespElements(w),
 		UserAgent:    r.UserAgent(),
-		Host:         host,
-		Port:         port,
+		Host:         handlers.GetSourceIP(r),
 	})
 }

@@ -1032,12 +1011,6 @@ func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Re
 	// Write success response.
 	writeSuccessResponseXML(w, encodedSuccessResponse)

-	// Get host and port from Request.RemoteAddr.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
-
 	if objInfo.IsCompressed() {
 		objInfo.Size = actualSize
 	}
@@ -1050,8 +1023,7 @@ func (api objectAPIHandlers) CopyObjectHandler(w http.ResponseWriter, r *http.Re
 		ReqParams:    extractReqParams(r),
 		RespElements: extractRespElements(w),
 		UserAgent:    r.UserAgent(),
-		Host:         host,
-		Port:         port,
+		Host:         handlers.GetSourceIP(r),
 	})
 }

@@ -1303,12 +1275,6 @@ func (api objectAPIHandlers) PutObjectHandler(w http.ResponseWriter, r *http.Req

 	writeSuccessResponseHeadersOnly(w)

-	// Get host and port from Request.RemoteAddr.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
-
 	// Notify object created event.
 	sendEvent(eventArgs{
 		EventName:    event.ObjectCreatedPut,
@@ -1317,8 +1283,7 @@ func (api objectAPIHandlers) PutObjectHandler(w http.ResponseWriter, r *http.Req
 		ReqParams:    extractReqParams(r),
 		RespElements: extractRespElements(w),
 		UserAgent:    r.UserAgent(),
-		Host:         host,
-		Port:         port,
+		Host:         handlers.GetSourceIP(r),
 	})
 }

@@ -2345,16 +2310,12 @@ func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWrite
 	writeSuccessResponseXML(w, encodedSuccessResponse)

 	// Get host and port from Request.RemoteAddr.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
-
 	if objectAPI.IsEncryptionSupported() {
 		if crypto.IsEncrypted(objInfo.UserDefined) {
 			objInfo.Size, _ = objInfo.DecryptedSize()
 		}
 	}
+
 	// Notify object created event.
 	sendEvent(eventArgs{
 		EventName:    event.ObjectCreatedCompleteMultipartUpload,
@@ -2363,8 +2324,7 @@ func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWrite
 		ReqParams:    extractReqParams(r),
 		RespElements: extractRespElements(w),
 		UserAgent:    r.UserAgent(),
-		Host:         host,
-		Port:         port,
+		Host:         handlers.GetSourceIP(r),
 	})
 }

@@ -347,16 +347,6 @@ func (client *peerRESTClient) LoadUsers() (err error) {
 	return nil
 }

-// LoadCredentials - send load credentials command to peer nodes.
-func (client *peerRESTClient) LoadCredentials() (err error) {
-	respBody, err := client.call(peerRESTMethodLoadCredentials, nil, nil, -1)
-	if err != nil {
-		return
-	}
-	defer http.DrainBody(respBody)
-	return nil
-}
-
 // SignalService - sends signal to peer nodes.
 func (client *peerRESTClient) SignalService(sig serviceSignal) error {
 	values := make(url.Values)
@@ -31,7 +31,6 @@ const (
 	peerRESTMethodLoadUsers                = "loadusers"
 	peerRESTMethodStartProfiling           = "startprofiling"
 	peerRESTMethodDownloadProfilingData    = "downloadprofilingdata"
-	peerRESTMethodLoadCredentials          = "loadcredentials"
 	peerRESTMethodBucketPolicySet          = "setbucketpolicy"
 	peerRESTMethodBucketNotificationPut    = "putbucketnotification"
 	peerRESTMethodBucketNotificationListen = "listenbucketnotification"
@@ -22,7 +22,6 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
-	"path"
 	"sort"
 	"strings"
 	"time"
@@ -53,11 +52,12 @@ func getServerInfo() (*ServerInfoData, error) {
 		ConnStats:   globalConnStats.toServerConnStats(),
 		HTTPStats:   globalHTTPStats.toServerHTTPStats(),
 		Properties: ServerProperties{
-			Uptime:   UTCNow().Sub(globalBootTime),
-			Version:  Version,
-			CommitID: CommitID,
-			SQSARN:   globalNotificationSys.GetARNList(),
-			Region:   globalServerConfig.GetRegion(),
+			Uptime:       UTCNow().Sub(globalBootTime),
+			Version:      Version,
+			CommitID:     CommitID,
+			DeploymentID: globalDeploymentID,
+			SQSARN:       globalNotificationSys.GetARNList(),
+			Region:       globalServerConfig.GetRegion(),
 		},
 	}, nil
 }
@@ -244,34 +244,6 @@ func (s *peerRESTServer) MemUsageInfoHandler(w http.ResponseWriter, r *http.Requ
 	logger.LogIf(ctx, gob.NewEncoder(w).Encode(info))
 }

-// LoadCredentialsHandler - loads credentials.
-func (s *peerRESTServer) LoadCredentialsHandler(w http.ResponseWriter, r *http.Request) {
-	if !s.IsValid(w, r) {
-		s.writeErrorResponse(w, errors.New("Invalid request"))
-		return
-	}
-
-	// Construct path to config.json for the given bucket.
-	configFile := path.Join(bucketConfigPrefix, minioConfigFile)
-	transactionConfigFile := configFile + ".transaction"
-
-	// As object layer's GetObject() and PutObject() take respective lock on minioMetaBucket
-	// and configFile, take a transaction lock to avoid race.
-	objLock := globalNSMutex.NewNSLock(minioMetaBucket, transactionConfigFile)
-	if err := objLock.GetRLock(globalOperationTimeout); err != nil {
-		s.writeErrorResponse(w, err)
-		return
-	}
-	objLock.RUnlock()
-
-	if err := globalConfigSys.Load(newObjectLayerFn()); err != nil {
-		s.writeErrorResponse(w, err)
-		return
-	}
-
-	w.(http.Flusher).Flush()
-}
-
 // DeleteBucketHandler - Delete notification and policies related to the bucket.
 func (s *peerRESTServer) DeleteBucketHandler(w http.ResponseWriter, r *http.Request) {
 	if !s.IsValid(w, r) {
@@ -609,7 +581,6 @@ func registerPeerRESTHandlers(router *mux.Router) {
 	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodStartProfiling).HandlerFunc(httpTraceAll(server.StartProfilingHandler)).Queries(restQueries(peerRESTProfiler)...)
 	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodDownloadProfilingData).HandlerFunc(httpTraceHdrs(server.DownloadProflingDataHandler))

-	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodLoadCredentials).HandlerFunc(httpTraceHdrs(server.LoadCredentialsHandler))
 	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodTargetExists).HandlerFunc(httpTraceHdrs(server.TargetExistsHandler)).Queries(restQueries(peerRESTBucket)...)
 	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodSendEvent).HandlerFunc(httpTraceHdrs(server.SendEventHandler)).Queries(restQueries(peerRESTBucket)...)
 	subrouter.Methods(http.MethodPost).Path("/" + peerRESTMethodBucketNotificationPut).HandlerFunc(httpTraceHdrs(server.PutBucketNotificationHandler)).Queries(restQueries(peerRESTBucket)...)
@@ -1358,9 +1358,18 @@ func (s *posix) RenameFile(srcVolume, srcPath, dstVolume, dstPath string) (err e
 		if err == nil && !isDirEmpty(dstFilePath) {
 			return errFileAccessDenied
 		}
-		if !os.IsNotExist(err) {
+		if err != nil && !os.IsNotExist(err) {
 			return err
 		}
+		// Empty destination remove it before rename.
+		if isDirEmpty(dstFilePath) {
+			if err = os.Remove(dstFilePath); err != nil {
+				if isSysErrNotEmpty(err) {
+					return errFileAccessDenied
+				}
+				return err
+			}
+		}
 	}

 	if err = renameAll(srcFilePath, dstFilePath); err != nil {
@@ -19,6 +19,7 @@ package cmd
 import (
 	"os"
 	"os/exec"
+	"syscall"
 )

 // Type of service signals currently supported.
@@ -56,9 +57,7 @@ func restartProcess() error {
 		return err
 	}

-	// Pass on the environment and replace the old count key with the new one.
-	cmd := exec.Command(argv0, os.Args[1:]...)
-	cmd.Stdout = os.Stdout
-	cmd.Stderr = os.Stderr
-	return cmd.Start()
+	// Invokes the execve system call.
+	// Re-uses the same pid. This preserves the pid over multiple server-respawns.
+	return syscall.Exec(argv0, os.Args, os.Environ())
 }
@@ -22,7 +22,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"net"
 	"net/http"
 	"net/url"
 	"os"
@@ -764,20 +763,11 @@ func (web *webAPIHandlers) SetAuth(r *http.Request, args *SetAuthArgs, reply *Se
 		return toJSONError(err)
 	}

-	if errs := globalNotificationSys.LoadCredentials(); len(errs) != 0 {
-		reply.PeerErrMsgs = make(map[string]string)
-		for _, nerr := range errs {
-			err = fmt.Errorf("Unable to update credentials on server %v: %v", nerr.Host, nerr.Err)
-			logger.LogIf(context.Background(), err)
-			reply.PeerErrMsgs[nerr.Host.String()] = err.Error()
-		}
-	} else {
-		reply.Token, err = authenticateWeb(creds.AccessKey, creds.SecretKey)
-		if err != nil {
-			return toJSONError(err)
-		}
-		reply.UIVersion = browser.UIVersion
+	reply.Token, err = authenticateWeb(creds.AccessKey, creds.SecretKey)
+	if err != nil {
+		return toJSONError(err)
 	}
+	reply.UIVersion = browser.UIVersion

 	return nil
 }
@@ -992,12 +982,6 @@ func (web *webAPIHandlers) Upload(w http.ResponseWriter, r *http.Request) {
 		}
 	}

-	// Get host and port from Request.RemoteAddr.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
-
 	// Notify object created event.
 	sendEvent(eventArgs{
 		EventName:    event.ObjectCreatedPut,
@@ -1006,8 +990,7 @@ func (web *webAPIHandlers) Upload(w http.ResponseWriter, r *http.Request) {
 		ReqParams:    extractReqParams(r),
 		RespElements: extractRespElements(w),
 		UserAgent:    r.UserAgent(),
-		Host:         host,
-		Port:         port,
+		Host:         handlers.GetSourceIP(r),
 	})
 }

@@ -1125,12 +1108,6 @@ func (web *webAPIHandlers) Download(w http.ResponseWriter, r *http.Request) {
 		}
 	}

-	// Get host and port from Request.RemoteAddr.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
-
 	// Notify object accessed via a GET request.
 	sendEvent(eventArgs{
 		EventName:    event.ObjectAccessedGet,
@@ -1139,8 +1116,7 @@ func (web *webAPIHandlers) Download(w http.ResponseWriter, r *http.Request) {
 		ReqParams:    extractReqParams(r),
 		RespElements: extractRespElements(w),
 		UserAgent:    r.UserAgent(),
-		Host:         host,
-		Port:         port,
+		Host:         handlers.GetSourceIP(r),
 	})
 }

@@ -1155,11 +1131,7 @@ type DownloadZipArgs struct {

 // Takes a list of objects and creates a zip file that sent as the response body.
 func (web *webAPIHandlers) DownloadZip(w http.ResponseWriter, r *http.Request) {
-	// Get host and port from Request.RemoteAddr.
-	host, port, err := net.SplitHostPort(handlers.GetSourceIP(r))
-	if err != nil {
-		host, port = "", ""
-	}
+	host := handlers.GetSourceIP(r)

 	ctx := newContext(r, w, "WebDownloadZip")
 	defer logger.AuditLog(w, r, "WebDownloadZip", mustGetClaimsFromToken(r))
@@ -1344,7 +1316,6 @@ func (web *webAPIHandlers) DownloadZip(w http.ResponseWriter, r *http.Request) {
 				RespElements: extractRespElements(w),
 				UserAgent:    r.UserAgent(),
 				Host:         host,
-				Port:         port,
 			})

 			return nil
@@ -1326,20 +1326,10 @@ func (s *xlSets) HealObjects(ctx context.Context, bucket, prefix string, healObj

 	endWalkCh := make(chan struct{})
 	isLeaf := func(bucket, entry string) bool {
-		entry = strings.TrimSuffix(entry, slashSeparator)
-		// Verify if we are at the leaf, a leaf is where we
-		// see `xl.json` inside a directory.
-		return s.getHashedSet(entry).isObject(bucket, entry)
+		return hasSuffix(entry, xlMetaJSONFile)
 	}

 	isLeafDir := func(bucket, entry string) bool {
-		var ok bool
-		for _, set := range s.sets {
-			ok = set.isObjectDir(bucket, entry)
-			if ok {
-				return true
-			}
-		}
 		return false
 	}

@@ -1354,7 +1344,7 @@ func (s *xlSets) HealObjects(ctx context.Context, bucket, prefix string, healObj
 		if walkResult.err != nil {
 			return toObjectErr(walkResult.err, bucket, prefix)
 		}
-		if err := healObjectFn(bucket, walkResult.entry); err != nil {
+		if err := healObjectFn(bucket, strings.TrimSuffix(walkResult.entry, slashSeparator+xlMetaJSONFile)); err != nil {
 			return toObjectErr(err, bucket, walkResult.entry)
 		}
 		if walkResult.end {
@@ -165,7 +165,7 @@ func disksWithAllParts(ctx context.Context, onlineDisks []StorageAPI, partsMetad

 	for i, onlineDisk := range onlineDisks {
 		if onlineDisk == nil {
-			dataErrs[i] = errDiskNotFound
+			dataErrs[i] = errs[i]
 			continue
 		}

@@ -207,26 +207,13 @@ func shouldHealObjectOnDisk(xlErr, dataErr error, meta xlMetaV1, quorumModTime t
 }

 // Heals an object by re-writing corrupt/missing erasure blocks.
-func healObject(ctx context.Context, storageDisks []StorageAPI, bucket string, object string,
-	quorum int, dryRun bool, scanMode madmin.HealScanMode) (result madmin.HealResultItem, err error) {
+func (xl xlObjects) healObject(ctx context.Context, bucket string, object string,
+	partsMetadata []xlMetaV1, errs []error, latestXLMeta xlMetaV1,
+	dryRun bool, remove bool, scanMode madmin.HealScanMode) (result madmin.HealResultItem, err error) {

-	partsMetadata, errs := readAllXLMetadata(ctx, storageDisks, bucket, object)
+	dataBlocks := latestXLMeta.Erasure.DataBlocks

-	errCount := 0
-	for _, err := range errs {
-		if err != nil {
-			errCount++
-		}
-	}
-
-	if errCount == len(errs) {
-		// Only if we get errors from all the disks we return error. Else we need to
-		// continue to return filled madmin.HealResultItem struct which includes info
-		// on what disks the file is available etc.
-		if reducedErr := reduceReadQuorumErrs(ctx, errs, nil, quorum); reducedErr != nil {
-			return defaultHealResult(storageDisks, errs, bucket, object), toObjectErr(reducedErr, bucket, object)
-		}
-	}
+	storageDisks := xl.getDisks()

 	// List of disks having latest version of the object xl.json
 	// (by modtime).
@@ -237,10 +224,12 @@ func healObject(ctx context.Context, storageDisks []StorageAPI, bucket string, o

 	// Initialize heal result object
 	result = madmin.HealResultItem{
-		Type:      madmin.HealItemObject,
-		Bucket:    bucket,
-		Object:    object,
-		DiskCount: len(storageDisks),
+		Type:         madmin.HealItemObject,
+		Bucket:       bucket,
+		Object:       object,
+		DiskCount:    len(storageDisks),
+		ParityBlocks: latestXLMeta.Erasure.ParityBlocks,
+		DataBlocks:   latestXLMeta.Erasure.DataBlocks,

 		// Initialize object size to -1, so we can detect if we are
 		// unable to reliably find the object size.
@@ -308,11 +297,18 @@ func healObject(ctx context.Context, storageDisks []StorageAPI, bucket string, o

 	// If less than read quorum number of disks have all the parts
 	// of the data, we can't reconstruct the erasure-coded data.
-	if numAvailableDisks < quorum {
-		// Default to most common configuration for erasure
-		// blocks upon returning quorum error.
-		result.ParityBlocks = len(storageDisks) / 2
-		result.DataBlocks = len(storageDisks) / 2
+	if numAvailableDisks < dataBlocks {
+		// Check if xl.json, and corresponding parts are also missing.
+		if m, ok := isObjectDangling(partsMetadata, errs, dataErrs); ok {
+			writeQuorum := m.Erasure.DataBlocks + 1
+			if m.Erasure.DataBlocks == 0 {
+				writeQuorum = len(storageDisks)/2 + 1
+			}
+			if !dryRun && remove {
+				err = xl.deleteObject(ctx, bucket, object, writeQuorum, false)
+			}
+			return defaultHealResult(latestXLMeta, storageDisks, errs, bucket, object), err
+		}
 		return result, toObjectErr(errXLReadQuorum, bucket, object)
 	}

@@ -329,7 +325,7 @@ func healObject(ctx context.Context, storageDisks []StorageAPI, bucket string, o

 	// Latest xlMetaV1 for reference. If a valid metadata is not
 	// present, it is as good as object not found.
-	latestMeta, pErr := pickValidXLMeta(ctx, partsMetadata, modTime, quorum)
+	latestMeta, pErr := pickValidXLMeta(ctx, partsMetadata, modTime, dataBlocks)
 	if pErr != nil {
 		return result, toObjectErr(pErr, bucket, object)
 	}
@@ -534,7 +530,7 @@ func (xl xlObjects) healObjectDir(ctx context.Context, bucket, object string, dr

 // Populates default heal result item entries with possible values when we are returning prematurely.
 // This is to ensure that in any circumstance we are not returning empty arrays with wrong values.
-func defaultHealResult(storageDisks []StorageAPI, errs []error, bucket, object string) madmin.HealResultItem {
+func defaultHealResult(latestXLMeta xlMetaV1, storageDisks []StorageAPI, errs []error, bucket, object string) madmin.HealResultItem {
 	// Initialize heal result object
 	result := madmin.HealResultItem{
 		Type:      madmin.HealItemObject,
@@ -546,6 +542,9 @@ func defaultHealResult(storageDisks []StorageAPI, errs []error, bucket, object s
 		// unable to reliably find the object size.
 		ObjectSize: -1,
 	}
+	if latestXLMeta.IsValid() {
+		result.ObjectSize = latestXLMeta.Stat.Size
+	}

 	for index, disk := range storageDisks {
 		if disk == nil {
@@ -577,9 +576,14 @@ func defaultHealResult(storageDisks []StorageAPI, errs []error, bucket, object s
 		})
 	}

-	// Default to most common configuration for erasure blocks.
-	result.ParityBlocks = len(storageDisks) / 2
-	result.DataBlocks = len(storageDisks) / 2
+	if !latestXLMeta.IsValid() {
+		// Default to most common configuration for erasure blocks.
+		result.ParityBlocks = len(storageDisks) / 2
+		result.DataBlocks = len(storageDisks) / 2
+	} else {
+		result.ParityBlocks = latestXLMeta.Erasure.ParityBlocks
+		result.DataBlocks = latestXLMeta.Erasure.DataBlocks
+	}

 	return result
 }
@@ -587,7 +591,7 @@ func defaultHealResult(storageDisks []StorageAPI, errs []error, bucket, object s
 // Object is considered dangling/corrupted if any only
 // if total disks - a combination of corrupted and missing
 // files is lesser than number of data blocks.
-func (xl xlObjects) isObjectDangling(metaArr []xlMetaV1, errs []error) (validMeta xlMetaV1, ok bool) {
+func isObjectDangling(metaArr []xlMetaV1, errs []error, dataErrs []error) (validMeta xlMetaV1, ok bool) {
 	// We can consider an object data not reliable
 	// when xl.json is not found in read quorum disks.
 	// or when xl.json is not readable in read quorum disks.
@@ -599,6 +603,18 @@ func (xl xlObjects) isObjectDangling(metaArr []xlMetaV1, errs []error) (validMet
 			corruptedXLJSON++
 		}
 	}
+	var notFoundParts int
+	for i := range dataErrs {
+		// Only count part errors, if the error is not
+		// same as xl.json error. This is to avoid
+		// double counting when both parts and xl.json
+		// are not available.
+		if errs[i] != dataErrs[i] {
+			if dataErrs[i] == errFileNotFound {
+				notFoundParts++
+			}
+		}
+	}

 	for _, m := range metaArr {
 		if !m.IsValid() {
@@ -613,15 +629,11 @@ func (xl xlObjects) isObjectDangling(metaArr []xlMetaV1, errs []error) (validMet
 		return validMeta, true
 	}

-	// We have valid meta, now verify if we have enough files with data blocks.
-	return validMeta, (len(xl.getDisks()) - corruptedXLJSON - notFoundXLJSON) < validMeta.Erasure.DataBlocks
+	// We have valid meta, now verify if we have enough files with parity blocks.
+	return validMeta, corruptedXLJSON+notFoundXLJSON+notFoundParts > validMeta.Erasure.ParityBlocks
 }

-// HealObject - heal the given object.
-//
-// FIXME: If an object object was deleted and one disk was down,
-// and later the disk comes back up again, heal on the object
-// should delete it.
+// HealObject - heal the given object, automatically deletes the object if stale/corrupted if `remove` is true.
 func (xl xlObjects) HealObject(ctx context.Context, bucket, object string, dryRun bool, remove bool, scanMode madmin.HealScanMode) (hr madmin.HealResultItem, err error) {
 	// Create context that also contains information about the object and bucket.
 	// The top level handler might not have this information.
@@ -641,13 +653,12 @@ func (xl xlObjects) HealObject(ctx context.Context, bucket, object string, dryRu

 	storageDisks := xl.getDisks()

-	// FIXME: Metadata is read again in the healObject() call below.
 	// Read metadata files from all the disks
 	partsMetadata, errs := readAllXLMetadata(healCtx, storageDisks, bucket, object)

 	// Check if the object is dangling, if yes and user requested
 	// remove we simply delete it from namespace.
-	if m, ok := xl.isObjectDangling(partsMetadata, errs); ok {
+	if m, ok := isObjectDangling(partsMetadata, errs, []error{}); ok {
 		writeQuorum := m.Erasure.DataBlocks + 1
 		if m.Erasure.DataBlocks == 0 {
 			writeQuorum = len(xl.getDisks())/2 + 1
@@ -655,21 +666,46 @@ func (xl xlObjects) HealObject(ctx context.Context, bucket, object string, dryRu
 		if !dryRun && remove {
 			err = xl.deleteObject(healCtx, bucket, object, writeQuorum, false)
 		}
-		return defaultHealResult(storageDisks, errs, bucket, object), err
+		return defaultHealResult(xlMetaV1{}, storageDisks, errs, bucket, object), err
 	}

 	latestXLMeta, err := getLatestXLMeta(healCtx, partsMetadata, errs)
 	if err != nil {
-		return defaultHealResult(storageDisks, errs, bucket, object), toObjectErr(err, bucket, object)
+		return defaultHealResult(xlMetaV1{}, storageDisks, errs, bucket, object), toObjectErr(err, bucket, object)
 	}

 	// Lock the object before healing.
 	objectLock := xl.nsMutex.NewNSLock(bucket, object)
 	if lerr := objectLock.GetRLock(globalHealingTimeout); lerr != nil {
-		return defaultHealResult(storageDisks, errs, bucket, object), lerr
+		return defaultHealResult(latestXLMeta, storageDisks, errs, bucket, object), lerr
 	}
 	defer objectLock.RUnlock()

+	errCount := 0
+	for _, err := range errs {
+		if err != nil {
+			errCount++
+		}
+	}
+
+	if errCount == len(errs) {
+		// Only if we get errors from all the disks we return error. Else we need to
+		// continue to return filled madmin.HealResultItem struct which includes info
+		// on what disks the file is available etc.
+		if reducedErr := reduceReadQuorumErrs(ctx, errs, nil, latestXLMeta.Erasure.DataBlocks); reducedErr != nil {
+			if m, ok := isObjectDangling(partsMetadata, errs, []error{}); ok {
+				writeQuorum := m.Erasure.DataBlocks + 1
+				if m.Erasure.DataBlocks == 0 {
+					writeQuorum = len(storageDisks)/2 + 1
+				}
+				if !dryRun && remove {
+					err = xl.deleteObject(ctx, bucket, object, writeQuorum, false)
+				}
+			}
+			return defaultHealResult(latestXLMeta, storageDisks, errs, bucket, object), toObjectErr(reducedErr, bucket, object)
+		}
+	}
+
 	// Heal the object.
-	return healObject(healCtx, xl.getDisks(), bucket, object, latestXLMeta.Erasure.DataBlocks, dryRun, scanMode)
+	return xl.healObject(healCtx, bucket, object, partsMetadata, errs, latestXLMeta, dryRun, remove, scanMode)
 }
@@ -58,6 +58,91 @@ func TestUndoMakeBucket(t *testing.T) {
 	}
 }

+func TestHealObjectCorrupted(t *testing.T) {
+	nDisks := 16
+	fsDirs, err := getRandomDisks(nDisks)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	defer removeRoots(fsDirs)
+
+	// Everything is fine, should return nil
+	obj, _, err := initObjectLayer(mustGetNewEndpointList(fsDirs...))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	bucket := "bucket"
+	object := "object"
+	data := bytes.Repeat([]byte("a"), 5*1024*1024)
+	var opts ObjectOptions
+
+	err = obj.MakeBucketWithLocation(context.Background(), bucket, "")
+	if err != nil {
+		t.Fatalf("Failed to make a bucket - %v", err)
+	}
+
+	// Create an object with multiple parts uploaded in decreasing
+	// part number.
+	uploadID, err := obj.NewMultipartUpload(context.Background(), bucket, object, opts)
+	if err != nil {
+		t.Fatalf("Failed to create a multipart upload - %v", err)
+	}
+
+	var uploadedParts []CompletePart
+	for _, partID := range []int{2, 1} {
+		pInfo, err1 := obj.PutObjectPart(context.Background(), bucket, object, uploadID, partID, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), opts)
+		if err1 != nil {
+			t.Fatalf("Failed to upload a part - %v", err1)
+		}
+		uploadedParts = append(uploadedParts, CompletePart{
+			PartNumber: pInfo.PartNumber,
+			ETag:       pInfo.ETag,
+		})
+	}
+
+	_, err = obj.CompleteMultipartUpload(context.Background(), bucket, object, uploadID, uploadedParts, ObjectOptions{})
+	if err != nil {
+		t.Fatalf("Failed to complete multipart upload - %v", err)
+	}
+
+	// Remove the object backend files from the first disk.
+	xl := obj.(*xlObjects)
+	firstDisk := xl.storageDisks[0]
+	err = firstDisk.DeleteFile(bucket, filepath.Join(object, xlMetaJSONFile))
+	if err != nil {
+		t.Fatalf("Failed to delete a file - %v", err)
+	}
+
+	_, err = obj.HealObject(context.Background(), bucket, object, false, false, madmin.HealNormalScan)
+	if err != nil {
+		t.Fatalf("Failed to heal object - %v", err)
+	}
+
+	_, err = firstDisk.StatFile(bucket, filepath.Join(object, xlMetaJSONFile))
+	if err != nil {
+		t.Errorf("Expected xl.json file to be present but stat failed - %v", err)
+	}
+
+	// Delete xl.json from more than read quorum number of disks, to create a corrupted situation.
+	for i := 0; i <= len(xl.storageDisks)/2; i++ {
+		xl.storageDisks[i].DeleteFile(bucket, filepath.Join(object, xlMetaJSONFile))
+	}
+
+	// Try healing now, expect to receive errDiskNotFound.
+	_, err = obj.HealObject(context.Background(), bucket, object, false, true, madmin.HealDeepScan)
+	if err != nil {
+		t.Errorf("Expected nil but received %v", err)
+	}
+
+	// since majority of xl.jsons are not available, object should be successfully deleted.
+	_, err = obj.GetObjectInfo(context.Background(), bucket, object, ObjectOptions{})
+	if _, ok := err.(ObjectNotFound); !ok {
+		t.Errorf("Expect %v but received %v", ObjectNotFound{Bucket: bucket, Object: object}, err)
+	}
+}
+
 // Tests healing of object.
 func TestHealObjectXL(t *testing.T) {
 	nDisks := 16
@@ -19,6 +19,7 @@ package main
 import (
 	"bufio"
 	"crypto/tls"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"log"
@@ -45,23 +46,23 @@ func getStartTime() time.Time {
 	di, err := os.Stat("/proc/1")
 	if err != nil {
 		// Cant stat proc dir successfully, exit with error
-		log.Fatal(err.Error())
+		log.Fatalln(err)
 	}
 	return di.ModTime()
 }

 // Returns the ip:port of the Minio process
 // running in the container
-func findEndpoint() string {
+func findEndpoint() (string, error) {
 	cmd := exec.Command("netstat", "-ntlp")
 	stdout, err := cmd.StdoutPipe()
 	if err != nil {
 		// error getting stdout pipe
-		log.Fatal(err.Error())
+		return "", err
 	}
 	if err = cmd.Start(); err != nil {
-		// error starting the command
-		log.Fatal(err.Error())
+		// error executing the command.
+		return "", err
 	}
 	// split netstat output in rows
 	scanner := bufio.NewScanner(stdout)
@@ -85,20 +86,21 @@ func findEndpoint() string {
 			}
 			// wait for cmd to complete before return
 			if err = cmd.Wait(); err != nil {
-				// command failed to run
-				log.Fatal(err.Error())
+				return "", err
 			}
 			// return joint address and port
-			return strings.Join([]string{addr, port}, ":")
+			return strings.Join([]string{addr, port}, ":"), nil
 		}
 	}
+	if err = scanner.Err(); err != nil {
+		return "", err
+	}
 	if err = cmd.Wait(); err != nil {
 		// command failed to run
-		log.Fatal(err.Error())
+		return "", err
 	}
 	// minio process not found, exit with error
-	os.Exit(1)
-	return ""
+	return "", errors.New("no minio process found")
 }

 func main() {
@@ -110,16 +112,16 @@ func main() {

 	//  Refer: https://github.com/moby/moby/pull/28938#issuecomment-301753272

-	if (time.Now().Sub(startTime) / time.Second) < initGraceTime {
-		os.Exit(0)
-	} else {
-		endPoint := findEndpoint()
+	if (time.Now().Sub(startTime) / time.Second) > initGraceTime {
+		endPoint, err := findEndpoint()
+		if err != nil {
+			log.Fatalln(err)
+		}
 		u, err := url.Parse(fmt.Sprintf("http://%s%s", endPoint, healthPath))
 		if err != nil {
 			// Could not parse URL successfully
-			log.Fatal(err.Error())
+			log.Fatalln(err)
 		}
-
 		// Minio server may be using self-signed or CA certificates. To avoid
 		// making Docker setup complicated, we skip verifying certificates here.
 		// This is because, following request tests for health status within
@@ -132,7 +134,7 @@ func main() {
 		resp, err := client.Get(u.String())
 		if err != nil {
 			// GET failed exit
-			log.Fatal(err.Error())
+			log.Fatalln(err)
 		}
 		if resp.StatusCode == http.StatusOK {
 			// Drain any response.
@@ -145,7 +147,7 @@ func main() {
 			// Drain any response.
 			xhttp.DrainBody(resp.Body)
 			// GET failed exit
-			log.Fatal(err.Error())
+			log.Fatalln(err)
 		}
 		bodyString := string(bodyBytes)
 		// Drain any response.
@@ -157,7 +159,7 @@ func main() {
 			resp, err = client.Get(u.String())
 			if err != nil {
 				// GET failed exit
-				log.Fatal(err.Error())
+				log.Fatalln(err)
 			}
 			if resp.StatusCode == http.StatusOK {
 				// Drain any response.
@@ -168,8 +170,9 @@ func main() {
 			// Drain any response.
 			xhttp.DrainBody(resp.Body)
 		}
+		// Execution reaching here means none of
+		// the success cases were satisfied
+		os.Exit(1)
 	}
-	// Execution reaching here means none of
-	// the success cases were satisfied
-	os.Exit(1)
+	os.Exit(0)
 }
@@ -5,7 +5,7 @@ version: '2'
 # 9001 through 9004.
 services:
 minio1:
-  image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+  image: minio/minio:RELEASE.2019-03-20T22-38-47Z
  volumes:
   - data1:/data
  ports:
@@ -15,7 +15,7 @@ services:
   MINIO_SECRET_KEY: minio123
  command: server http://minio1/data http://minio2/data http://minio3/data http://minio4/data 
 minio2:
-  image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+  image: minio/minio:RELEASE.2019-03-20T22-38-47Z
  volumes:
   - data2:/data
  ports:
@@ -25,7 +25,7 @@ services:
   MINIO_SECRET_KEY: minio123
  command: server http://minio1/data http://minio2/data http://minio3/data http://minio4/data 
 minio3:
-  image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+  image: minio/minio:RELEASE.2019-03-20T22-38-47Z
  volumes:
   - data3:/data
  ports:
@@ -35,7 +35,7 @@ services:
   MINIO_SECRET_KEY: minio123
  command: server http://minio1/data http://minio2/data http://minio3/data http://minio4/data 
 minio4:
-  image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+  image: minio/minio:RELEASE.2019-03-20T22-38-47Z
  volumes:
   - data4:/data
  ports:
@@ -2,7 +2,7 @@ version: '3.1'

 services:
  minio1:
-    image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+    image: minio/minio:RELEASE.2019-03-20T22-38-47Z
    hostname: minio1
    volumes:
      - minio1-data:/export
@@ -24,7 +24,7 @@ services:
      - access_key

  minio2:
-    image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+    image: minio/minio:RELEASE.2019-03-20T22-38-47Z
    hostname: minio2
    volumes:
      - minio2-data:/export
@@ -46,7 +46,7 @@ services:
      - access_key

  minio3:
-    image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+    image: minio/minio:RELEASE.2019-03-20T22-38-47Z
    hostname: minio3
    volumes:
      - minio3-data:/export
@@ -68,7 +68,7 @@ services:
      - access_key

  minio4:
-    image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+    image: minio/minio:RELEASE.2019-03-20T22-38-47Z
    hostname: minio4
    volumes:
      - minio4-data:/export
@@ -2,7 +2,7 @@ version: '3'

 services:
  minio1:
-    image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+    image: minio/minio:RELEASE.2019-03-20T22-38-47Z
    hostname: minio1
    volumes:
      - minio1-data:/export
@@ -24,7 +24,7 @@ services:
    command: server http://minio1/export http://minio2/export http://minio3/export http://minio4/export

  minio2:
-    image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+    image: minio/minio:RELEASE.2019-03-20T22-38-47Z
    hostname: minio2
    volumes:
      - minio2-data:/export
@@ -46,7 +46,7 @@ services:
    command: server http://minio1/export http://minio2/export http://minio3/export http://minio4/export

  minio3:
-    image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+    image: minio/minio:RELEASE.2019-03-20T22-38-47Z
    hostname: minio3
    volumes:
      - minio3-data:/export
@@ -68,7 +68,7 @@ services:
    command: server http://minio1/export http://minio2/export http://minio3/export http://minio4/export

  minio4:
-    image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+    image: minio/minio:RELEASE.2019-03-20T22-38-47Z
    hostname: minio4
    volumes:
      - minio4-data:/export
@@ -30,7 +30,7 @@ spec:
          value: "minio"
        - name: MINIO_SECRET_KEY
          value: "minio123"
-        image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+        image: minio/minio:RELEASE.2019-03-20T22-38-47Z
        # Unfortunately you must manually define each server. Perhaps autodiscovery via DNS can be implemented in the future.
        args:
        - server
@@ -21,7 +21,7 @@ spec:
          value: "minio"
        - name: MINIO_SECRET_KEY
          value: "minio123"
-        image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+        image: minio/minio:RELEASE.2019-03-20T22-38-47Z
        args:
        - server
        - http://minio-0.minio.default.svc.cluster.local/data
@@ -21,7 +21,7 @@ spec:
      containers:
      - name: minio
        # Pulls the default Minio image from Docker Hub
-        image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+        image: minio/minio:RELEASE.2019-03-20T22-38-47Z
        args:
        - gateway
        - gcs
@@ -29,7 +29,7 @@ spec:
        - name: data 
          mountPath: "/data"
        # Pulls the lastest Minio image from Docker Hub
-        image: minio/minio:RELEASE.2019-03-13T21-59-47Z
+        image: minio/minio:RELEASE.2019-03-20T22-38-47Z
        args:
        - server
        - /data
Author	SHA1	Message	Date
Harshavardhana	6df05e489d	Set Read/Write timeouts only for net.Conn not http.Server (#7431 ) Fixes #7425	2019-03-27 22:10:06 +05:30
Harshavardhana	4a698c731b	HealObjects should remove objects without quorum (#7407 ) This PR adds a way to list objects without quorum such that they can purged by `mc admin heal --remove`	2019-03-26 14:57:44 -07:00
Harshavardhana	9629de8230	Add proper context based logging when bitrot stream calls fail (#7415 )	2019-03-26 13:59:33 -07:00
Harshavardhana	0250f7de67	Cleanup stale multipart uploads older than 3 days (#7424 ) Fixes #6627	2019-03-25 13:41:05 -07:00
kannappanr	7154b8a568	Error log: Correct error type in anonymous mode (#7414 ) Currently message is set to error type value. Message field is not used in error logs. it is used only in the case of info logs. This PR sets error message field to store error type correctly.	2019-03-25 13:40:08 -07:00
Anis Elleuch	8689ec258b	Don't decrypt ETag in validation when source is SSEC multipart (#7423 ) Copying an encrypted SSEC object when this latter is uploaded using multipart mechanism was failing because ETag in case of encrypted multipart upload is not encrypted. This PR fixes the behavior.	2019-03-25 12:17:31 -07:00
Krishnan Parthasarathi	aac9e2a7dd	Return deploymentID in ServerInfo REST call (#7422 ) Makes deploymentID information uniform in distributed setup	2019-03-25 11:55:28 -07:00
Harshavardhana	719d21efd8	Generate coverage across all sub-dirs (#7416 )	2019-03-25 11:54:14 -07:00
Harshavardhana	e0a87e96de	Populate host value from GetSourceIP directly (#7417 )	2019-03-25 11:45:42 -07:00
Harshavardhana	0a44e70177	Change findEndpoint to return errors for Scanlines (#7390 )	2019-03-25 13:31:02 +05:30
Rushan	22b4fe0a51	Update browser UI with new logo and colors (#7408 )	2019-03-23 09:57:09 -07:00
Praveen raj Mani	89e45d0695	Restart process should use the current process' pid (#7373 ) This fixes varying pids for server-respawns. And avoids duplicate process creating multiple pids when the server restart signal is triggered with service restart enabled. Fixes #7350	2019-03-20 22:20:30 -07:00
poornas	8e1e701d35	Azure:ETag returned by ListObjects to be consistent with GetObjectInfo (#7301 )	2019-03-20 18:11:46 -07:00
kannappanr	87cf51d5ab	unused code: Remove LoadCredentials function (#7369 ) It is required to set the environment variable in the case of distributed minio. LoadCredentials is used to notify peers of the change and will not work if environment variable is set. so, this function will never be called.	2019-03-20 18:09:57 -07:00
Minio Trusted	8af45f0135	Update yaml files to latest version RELEASE.2019-03-20T22-38-47Z	2019-03-20 22:49:06 +00:00