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extend server config.yaml to support per pool set drive count (#19663)

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This is to support deployments migrating from a multi-pooled
wider stripe to lower stripe. MINIO_STORAGE_CLASS_STANDARD
is still expected to be same for all pools. So you can satisfy
adding custom drive count based pools by adjusting the storage
class value.

```
version: v2
address: ':9000'
rootUser: 'minioadmin'
rootPassword: 'minioadmin'
console-address: ':9001'
pools: # Specify the nodes and drives with pools
  -
    args:
        - 'node{11...14}.example.net/data{1...4}'
  -
    args:
        - 'node{15...18}.example.net/data{1...4}'
  -
    args:
        - 'node{19...22}.example.net/data{1...4}'
  -
    args:
        - 'node{23...34}.example.net/data{1...10}'
    set-drive-count: 6
```
This commit is contained in:
Harshavardhana
2024-05-03 08:54:03 -07:00
committed by GitHub
parent 6c07bfee8a
commit 1526e7ece3
5 changed files with 172 additions and 82 deletions
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7
cmd/format-erasure.go
View File

@@ -443,11 +443,8 @@ func checkFormatErasureValues(formats []*formatErasureV3, disks []StorageAPI, se
return fmt.Errorf("%s drive is already being used in another erasure deployment. (Number of drives specified: %d but the number of drives found in the %s drive's format.json: %d)",
disks[i], len(formats), humanize.Ordinal(i+1), len(formatErasure.Erasure.Sets)*len(formatErasure.Erasure.Sets[0]))
}
// Only if custom erasure drive count is set, verify if the
// set_drive_count was manually set - we need to honor what is
// present on the drives.
if globalCustomErasureDriveCount && len(formatErasure.Erasure.Sets[0]) != setDriveCount {
return fmt.Errorf("%s drive is already formatted with %d drives per erasure set. This cannot be changed to %d, please revert your MINIO_ERASURE_SET_DRIVE_COUNT setting", disks[i], len(formatErasure.Erasure.Sets[0]), setDriveCount)
if len(formatErasure.Erasure.Sets[0]) != setDriveCount {
return fmt.Errorf("%s drive is already formatted with %d drives per erasure set. This cannot be changed to %d", disks[i], len(formatErasure.Erasure.Sets[0]), setDriveCount)
}
}
return nil