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feat: decommission feature for pools (#14012)

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```
λ mc admin decommission start alias/ http://minio{1...2}/data{1...4}
```

```
λ mc admin decommission status alias/
┌─────┬─────────────────────────────────┬──────────────────────────────────┬────────┐
│ ID  │ Pools                           │ Capacity                         │ Status │
│ 1st │ http://minio{1...2}/data{1...4} │ 439 GiB (used) / 561 GiB (total) │ Active │
│ 2nd │ http://minio{3...4}/data{1...4} │ 329 GiB (used) / 421 GiB (total) │ Active │
└─────┴─────────────────────────────────┴──────────────────────────────────┴────────┘
```

```
λ mc admin decommission status alias/ http://minio{1...2}/data{1...4}
Progress: ===================> [1GiB/sec] [15%] [4TiB/50TiB]
Time Remaining: 4 hours (started 3 hours ago)
```

```
λ mc admin decommission status alias/ http://minio{1...2}/data{1...4}
ERROR: This pool is not scheduled for decommissioning currently.
```

```
λ mc admin decommission cancel alias/
┌─────┬─────────────────────────────────┬──────────────────────────────────┬──────────┐
│ ID  │ Pools                           │ Capacity                         │ Status   │
│ 1st │ http://minio{1...2}/data{1...4} │ 439 GiB (used) / 561 GiB (total) │ Draining │
└─────┴─────────────────────────────────┴──────────────────────────────────┴──────────┘
```

> NOTE: Canceled decommission will not make the pool active again, since we might have
> Potentially partial duplicate content on the other pools, to avoid this scenario be
> very sure to start decommissioning as a planned activity.

```
λ mc admin decommission cancel alias/ http://minio{1...2}/data{1...4}
┌─────┬─────────────────────────────────┬──────────────────────────────────┬────────────────────┐
│ ID  │ Pools                           │ Capacity                         │ Status             │
│ 1st │ http://minio{1...2}/data{1...4} │ 439 GiB (used) / 561 GiB (total) │ Draining(Canceled) │
└─────┴─────────────────────────────────┴──────────────────────────────────┴────────────────────┘
```
This commit is contained in:
Harshavardhana
2022-01-10 09:07:49 -08:00
committed by GitHub
parent dabb058167
commit 76b21de0c6
24 changed files with 2692 additions and 328 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmd/peer-rest-common.go
+2 -1
View File
@@ -18,7 +18,7 @@
package cmd
const (
peerRESTVersion = "v17" // Add "storage-class" option for SpeedTest
peerRESTVersion = "v18" // Add LoadPoolMeta
peerRESTVersionPrefix = SlashSeparator + peerRESTVersion
peerRESTPrefix = minioReservedBucketPath + "/peer"
peerRESTPath = peerRESTPrefix + peerRESTVersionPrefix
@@ -67,6 +67,7 @@ const (
peerRESTMethodLoadTransitionTierConfig = "/loadtransitiontierconfig"
peerRESTMethodSpeedtest = "/speedtest"
peerRESTMethodReloadSiteReplicationConfig = "/reloadsitereplicationconfig"
peerRESTMethodReloadPoolMeta = "/reloadpoolmeta"
)
const (