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Update madmin package to return storage class parity (#5387)

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After the addition of Storage Class support, readQuorum
and writeQuorum are decided on a per object basis, instead
of deployment wide static quorums.

This PR updates madmin api to remove readQuorum/writeQuorum
and add Standard storage class and reduced redundancy storage
class parity as return values. Since these parity values are
used to decide the quorum for each object.

Fixes #5378
This commit is contained in:
Nitish Tiwari
2018-01-12 07:52:52 +05:30
committed by GitHub
parent cd22feecf8
commit 42633748db
7 changed files with 27 additions and 27 deletions
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4
pkg/madmin/API.md
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@@ -85,8 +85,8 @@ Fetch service status, replies disk space used, backend type and total disks offl
|`backend.Type` | _BackendType_ | Type of backend used by the server currently only FS or Erasure. |
|`backend.OnlineDisks`| _int_ | Total number of disks online (only applies to Erasure backend), is empty for FS. |
|`backend.OfflineDisks` | _int_ | Total number of disks offline (only applies to Erasure backend), is empty for FS. |
|`backend.ReadQuorum` | _int_ | Current total read quorum threshold before reads will be unavailable, is empty for FS. |
|`backend.WriteQuorum` | _int_ | Current total write quorum threshold before writes will be unavailable, is empty for FS. |
|`backend.StandardSCParity` | _int_ | Parity disks set for standard storage class, is empty for FS. |
|`backend.RRSCParity` | _int_ | Parity disks set for reduced redundancy storage class, is empty for FS. |
__Example__

2
pkg/madmin/README.md
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@@ -96,7 +96,7 @@ func main() {
```sh
go run service-status.go
2016/12/20 16:46:01 madmin.ServiceStatusMetadata{Total:177038229504, Free:120365559808, Backend:struct { Type madmin.BackendType; OnlineDisks int; OfflineDisks int; ReadQuorum int; WriteQuorum int }{Type:1, OnlineDisks:0, OfflineDisks:0, ReadQuorum:0, WriteQuorum:0}}
2016/12/20 16:46:01 madmin.ServiceStatusMetadata{Total:177038229504, Free:120365559808, Backend:struct { Type madmin.BackendType; OnlineDisks int; OfflineDisks int; ReadQuorum int; WriteQuorum int }{Type:1, OnlineDisks:0, OfflineDisks:0, StandardSCParity:0, RRSCParity:0}}
```

8
pkg/madmin/info-commands.go
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@@ -51,10 +51,10 @@ type StorageInfo struct {
Type BackendType
// Following fields are only meaningful if BackendType is Erasure.
OnlineDisks int // Online disks during server startup.
OfflineDisks int // Offline disks during server startup.
ReadQuorum int // Minimum disks required for successful read operations.
WriteQuorum int // Minimum disks required for successful write operations.
OnlineDisks int // Online disks during server startup.
OfflineDisks int // Offline disks during server startup.
StandardSCParity int // Parity disks for currently configured Standard storage class.
RRSCParity int // Parity disks for currently configured Reduced Redundancy storage class.
}
}