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docs: rebrand the repository documentation, templates and dashboards
README, README_ZH, SECURITY, COMPLIANCE, CONTRIBUTING, NOTICE, code_of_conduct, the vulnerability and PR-etiquette documents, the GitHub issue and pull request templates, and the docs/ tree all present Silo as the product. The Grafana dashboards under docs/metrics/prometheus/grafana/ have their panel titles and descriptions rebranded while every minio_* query, label and expression is left alone, so existing alerts and recording rules keep matching. The distinction the review demanded is applied per hit rather than by search-and-replace: - Product and command text becomes Silo and silo: install and run instructions, systemd examples, compose services, download links, badges. - Protocol and interface text keeps MinIO: MINIO_* variables, minio_* metrics, x-minio-* headers, /minio/* routes, .minio.sys, arn:minio, and API field and error names. - Attribution keeps MinIO and gains the fork's own: the AGPL obligations, original copyright, CREDITS and NOTICE stay, with the modification notice added alongside rather than replacing them. - Historical and third-party references are left as facts, not rewritten for brand tidiness. README and README_ZH each carry an explicit non-affiliation notice, document the side-by-side package migration including the /etc/systemd/system/silo.service.d/10-legacy-user.conf drop-in for keeping a legacy UID/GID, and state that recursive chown is never performed. The trademark attribution uses the policy's approved "based on MinIO technology" wording, not the shortened form the policy rejects. github.com/pgsty/minio links are left in place and labelled transitional. The repository has not been renamed, and rewriting them now would produce documented URLs that 404 until the cutover; they change in the cutover commit together with the goreleaser release target, the OCI source label and the raw-content branch. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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# MinIO Erasure Code Quickstart Guide [](https://slack.min.io)
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# Silo Erasure Code Quickstart Guide
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MinIO protects data against hardware failures and silent data corruption using erasure code and checksums. With the highest level of redundancy, you may lose up to half (N/2) of the total drives and still be able to recover the data.
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Silo protects data against hardware failures and silent data corruption using erasure code and checksums. With the highest level of redundancy, you may lose up to half (N/2) of the total drives and still be able to recover the data.
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## What is Erasure Code?
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Erasure code is a mathematical algorithm to reconstruct missing or corrupted data. MinIO uses Reed-Solomon code to shard objects into variable data and parity blocks. For example, in a 12 drive setup, an object can be sharded to a variable number of data and parity blocks across all the drives - ranging from six data and six parity blocks to ten data and two parity blocks.
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Erasure code is a mathematical algorithm to reconstruct missing or corrupted data. Silo uses Reed-Solomon code to shard objects into variable data and parity blocks. For example, in a 12 drive setup, an object can be sharded to a variable number of data and parity blocks across all the drives - ranging from six data and six parity blocks to ten data and two parity blocks.
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By default, MinIO shards the objects across N/2 data and N/2 parity drives. Though, you can use [storage classes](https://github.com/pgsty/minio/tree/master/docs/erasure/storage-class) to use a custom configuration. We recommend N/2 data and parity blocks, as it ensures the best protection from drive failures.
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By default, Silo shards the objects across N/2 data and N/2 parity drives. Though, you can use [storage classes](https://github.com/pgsty/minio/tree/master/docs/erasure/storage-class) to use a custom configuration. We recommend N/2 data and parity blocks, as it ensures the best protection from drive failures.
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In 12 drive example above, with MinIO server running in the default configuration, you can lose any of the six drives and still reconstruct the data reliably from the remaining drives.
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In 12 drive example above, with Silo server running in the default configuration, you can lose any of the six drives and still reconstruct the data reliably from the remaining drives.
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## Why is Erasure Code useful?
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Erasure code protects data from multiple drives failure, unlike RAID or replication. For example, RAID6 can protect against two drive failure whereas in MinIO erasure code you can lose as many as half of drives and still the data remains safe. Further, MinIO's erasure code is at the object level and can heal one object at a time. For RAID, healing can be done only at the volume level which translates into high downtime. As MinIO encodes each object individually, it can heal objects incrementally. Storage servers once deployed should not require drive replacement or healing for the lifetime of the server. MinIO's erasure coded backend is designed for operational efficiency and takes full advantage of hardware acceleration whenever available.
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Erasure code protects data from multiple drives failure, unlike RAID or replication. For example, RAID6 can protect against two drive failure whereas in Silo erasure code you can lose as many as half of drives and still the data remains safe. Further, Silo's erasure code is at the object level and can heal one object at a time. For RAID, healing can be done only at the volume level which translates into high downtime. As Silo encodes each object individually, it can heal objects incrementally. Storage servers once deployed should not require drive replacement or healing for the lifetime of the server. Silo's erasure coded backend is designed for operational efficiency and takes full advantage of hardware acceleration whenever available.
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Bit Rot, also known as data rot or silent data corruption is a data loss issue faced by disk drives today. Data on the drive may silently get corrupted without signaling an error has occurred, making bit rot more dangerous than a permanent hard drive failure.
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MinIO's erasure coded backend uses high speed [HighwayHash](https://github.com/minio/highwayhash) checksums to protect against Bit Rot.
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Silo's erasure coded backend uses high speed [HighwayHash](https://github.com/minio/highwayhash) checksums to protect against Bit Rot.
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## How are drives used for Erasure Code?
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MinIO divides the drives you provide into erasure-coding sets of *2 to 16* drives. Therefore, the number of drives you present must be a multiple of one of these numbers. Each object is written to a single erasure-coding set.
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Silo divides the drives you provide into erasure-coding sets of *2 to 16* drives. Therefore, the number of drives you present must be a multiple of one of these numbers. Each object is written to a single erasure-coding set.
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Minio uses the largest possible EC set size which divides into the number of drives given. For example, *18 drives* are configured as *2 sets of 9 drives*, and *24 drives* are configured as *2 sets of 12 drives*. This is true for scenarios when running MinIO as a standalone erasure coded deployment. In [distributed setup however node (affinity) based](https://silo.pgsty.com/operations/deployments/baremetal/) erasure stripe sizes are chosen.
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Silo uses the largest possible EC set size which divides into the number of drives given. For example, *18 drives* are configured as *2 sets of 9 drives*, and *24 drives* are configured as *2 sets of 12 drives*. This is true for scenarios when running Silo as a standalone erasure coded deployment. In [distributed setup however node (affinity) based](https://silo.pgsty.com/operations/deployments/baremetal/) erasure stripe sizes are chosen.
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The drives should all be of approximately the same size.
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## Get Started with MinIO in Erasure Code
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## Get Started with Silo in Erasure Code
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### 1. Prerequisites
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Install MinIO - [MinIO Quickstart Guide](https://silo.pgsty.com/operations/deployments/baremetal-deploy-minio-on-redhat-linux/)
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Install Silo - [Silo Quickstart Guide](https://silo.pgsty.com/operations/deployments/baremetal-deploy-minio-on-redhat-linux/)
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### 2. Run MinIO Server with Erasure Code
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### 2. Run Silo Server with Erasure Code
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Example: Start MinIO server in a 12 drives setup, using MinIO binary.
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Example: Start Silo server in a 12 drives setup, using Silo binary.
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```sh
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minio server /data{1...12}
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silo server /data{1...12}
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```
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Example: Start MinIO server in a 8 drives setup, using MinIO Docker image.
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Example: Start Silo server in a 8 drives setup, using Silo Docker image.
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```sh
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podman run \
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-p 9000:9000 \
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-p 9001:9001 \
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--name minio \
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--name silo \
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-v /mnt/data1:/data1 \
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-v /mnt/data2:/data2 \
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-v /mnt/data3:/data3 \
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-v /mnt/data6:/data6 \
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-v /mnt/data7:/data7 \
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-v /mnt/data8:/data8 \
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quay.io/minio/minio server /data{1...8} --console-address ":9001"
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docker.io/pgsty/silo server /data{1...8} --console-address ":9001"
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```
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### 3. Test your setup
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