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validate storage class across pools when setting config (#11320)

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```
mc admin config set alias/ storage_class standard=EC:3
```

should only succeed if parity ratio is valid for all
server pools, if not we should fail proactively.

This PR also needs to bring other changes now that
we need to cater for variadic drive counts per pool.

Bonus fixes also various bugs reproduced with

- GetObjectWithPartNumber()
- CopyObjectPartWithOffsets()
- CopyObjectWithMetadata()
- PutObjectPart,PutObject with truncated streams
This commit is contained in:
Harshavardhana
2021-01-22 12:09:24 -08:00
committed by GitHub
parent a35cbb3ff3
commit a6c146bd00
27 changed files with 313 additions and 198 deletions
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cmd/object-api-datatypes.go
+4 -4
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@@ -51,10 +51,10 @@ type BackendInfo struct {
GatewayOnline bool
// Following fields are only meaningful if BackendType is Erasure.
StandardSCData int // Data disks for currently configured Standard storage class.
StandardSCParity int // Parity disks for currently configured Standard storage class.
RRSCData int // Data disks for currently configured Reduced Redundancy storage class.
RRSCParity int // Parity disks for currently configured Reduced Redundancy storage class.
StandardSCData []int // Data disks for currently configured Standard storage class.
StandardSCParity int // Parity disks for currently configured Standard storage class.
RRSCData []int // Data disks for currently configured Reduced Redundancy storage class.
RRSCParity int // Parity disks for currently configured Reduced Redundancy storage class.
}
// StorageInfo - represents total capacity of underlying storage.