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fix: update docs to mention erasure guide (#9339)

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Harshavardhana 5 years ago committed by GitHub
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commit a9d401ac10
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  1. 2
      cmd/config/errors.go
  2. 8
      docs/erasure/README.md

2
cmd/config/errors.go
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@ -33,7 +33,7 @@ var (
ErrInvalidErasureSetSize = newErrFn( ErrInvalidErasureSetSize = newErrFn(
"Invalid erasure set size", "Invalid erasure set size",
"Please check the passed value", "Please check the passed value",
"Erasure set can only accept any of [4, 6, 8, 10, 12, 14, 16] values", "Erasure set can only accept any of [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16] values",
) )
ErrInvalidWormValue = newErrFn( ErrInvalidWormValue = newErrFn(

8
docs/erasure/README.md
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@ -24,9 +24,9 @@ MinIO's erasure coded backend uses high speed [HighwayHash](https://github.com/m
## How are drives used for Erasure Code? ## How are drives used for Erasure Code?
MinIO divides the drives you provide into erasure-coding sets of 4, 6, 8, 10, 12, 14 or 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. MinIO divides the drives you provide into erasure-coding sets of *4 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.
Minio uses the largest possible EC set size which divides into the number of drives given. For example, 18 drives are configured as 3 sets of 6 drives; but 24 drives are configured as 2 sets of 12 drives. 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*.
The drives should all be of approximately the same size. The drives should all be of approximately the same size.
@ -41,7 +41,7 @@ Install MinIO - [MinIO Quickstart Guide](https://docs.min.io/docs/minio-quicksta
Example: Start MinIO server in a 12 drives setup, using MinIO binary. Example: Start MinIO server in a 12 drives setup, using MinIO binary.
```sh ```sh
minio server /data1 /data2 /data3 /data4 /data5 /data6 /data7 /data8 /data9 /data10 /data11 /data12 minio server /data{1...12}
``` ```
Example: Start MinIO server in a 8 drives setup, using MinIO Docker image. Example: Start MinIO server in a 8 drives setup, using MinIO Docker image.
@ -56,7 +56,7 @@ docker run -p 9000:9000 --name minio \
-v /mnt/data6:/data6 \ -v /mnt/data6:/data6 \
-v /mnt/data7:/data7 \ -v /mnt/data7:/data7 \
-v /mnt/data8:/data8 \ -v /mnt/data8:/data8 \
minio/minio server /data1 /data2 /data3 /data4 /data5 /data6 /data7 /data8 minio/minio server /data{1...8}
``` ```
### 3. Test your setup ### 3. Test your setup

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