feat: decommission feature for pools (#14012)

mirror of https://github.com/pgsty/minio.git synced 2026-07-20 04:30:26 +03:00

```
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

									
										cmd/erasure-object.go
									
		+2
		-1
	
												View File
												
				@@ -408,7 +408,8 @@ func (er erasureObjects) getObjectFileInfo(ctx context.Context, bucket, object s

					}

					if reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum); reducedErr != nil {

						if reducedErr == errErasureReadQuorum && bucket != minioMetaBucket {

						if errors.Is(reducedErr, errErasureReadQuorum) && !strings.HasPrefix(bucket, minioMetaBucket) {

							// Skip buckets that live at `.minio.sys` bucket.

							if _, ok := isObjectDangling(metaArr, errs, nil); ok {

								reducedErr = errFileNotFound

								if opts.VersionID != "" {