z.StartRebalance()
	}

	meta := poolMeta{}
	if err := meta.load(ctx, z.serverPools[0], z.serverPools); err != nil {
		return err
	}

	update, err := meta.validate(z.serverPools)
	if err != nil {
		return err
	}

	// if no update is needed return right away.
	if !update {
		z.poolMetaMutex.Lock()
		z.poolMeta = meta
		z.poolMetaMutex.Unlock()
	} else {

func formatGetBackendErasureVersion(b []byte) (string, error) {
	meta := &formatMetaV1{}
	if err := json.Unmarshal(b, meta); err != nil {
		return "", err
	}
	if meta.Version != formatMetaVersionV1 {
		return "", fmt.Errorf(`format.Version expected: %s, got: %s`, formatMetaVersionV1, meta.Version)
	}
	if meta.Format != formatBackendErasure && meta.Format != formatBackendErasureSingle {

		if len(e.cached.versions) == 0 {
			return true
		}
		return e.cached.versions[0].header.Type == DeleteType
	}
	if !isXL2V1Format(e.metadata) {
		return false
	}
	if meta, _, err := isIndexedMetaV2(e.metadata); meta != nil {
		return meta.IsLatestDeleteMarker()
	} else if err != nil {
		return true
	}
	// Fall back...
	xlMeta, err := e.xlmeta()
	if err != nil || len(xlMeta.versions) == 0 {
		return true
	}

javax.annotation
javax.annotation.concurrent

	}

	meta, err := loadBucketMetadata(context.Background(), objAPI, bucketName)
	if err != nil {
		return np, grid.NewRemoteErr(err)
	}

	globalBucketMetadataSys.Set(bucketName, meta)

	if meta.notificationConfig != nil {
		globalEventNotifier.AddRulesMap(bucketName, meta.notificationConfig.ToRulesMap())
	}

	if meta.bucketTargetConfig != nil {

	ctx, cancel := context.WithTimeout(ctx, globalDriveConfig.GetMaxTimeout())
	defer cancel()

	_, err = storageRenamePartRPC.Call(ctx, client.gridConn, &RenamePartHandlerParams{
		DiskID:      *client.diskID.Load(),
		SrcVolume:   srcVolume,
		SrcFilePath: srcPath,
		DstVolume:   dstVolume,
		DstFilePath: dstPath,
		Meta:        meta,
	})

	return InQueueMetric{
		Curr: QStat{Bytes: float64(v.nowBytes), Count: float64(v.nowCount)},
		Max:  QStat{Bytes: float64(v.histBytes.Max()), Count: float64(v.histCounts.Max())},
		Avg:  QStat{Bytes: v.histBytes.Mean(), Count: v.histCounts.Mean()},
	}
}

func (q *queueCache) getSiteStats() InQueueMetric {
	q.RLock()
	defer q.RUnlock()
	v := q.srQueueStats
	return InQueueMetric{

```

### 3. Start the MinIO Server

```sh
export MINIO_ROOT_USER=minio
export MINIO_ROOT_PASSWORD=minio123
minio server ~/export
```

> The KES instance at `https://play.min.io:7373` is meant to experiment and provides a way to get started quickly.
> Note that anyone can access or delete master keys at `https://play.min.io:7373`. You should run your own KES
> instance in production.

## Configuration Guides

	partSize = int64(partSizeFlt)
	if partSize == 0 {
		return minPartSize, nil
	}
	return partSize, nil
}

func (m *warmBackendMinIO) PutWithMeta(ctx context.Context, object string, r io.Reader, length int64, meta map[string]string) (remoteVersionID, error) {
	partSize, err := optimalPartSize(length)
	if err != nil {
		return remoteVersionID(""), err
	}

	// Add the credential string, only accept the credential passed.
	credentialConditionStr := fmt.Sprintf(`["eq", "$x-amz-credential", "%s"]`, credential)
	// Add the meta-uuid string, set to 1234
	uuidConditionStr := fmt.Sprintf(`["eq", "$x-amz-meta-uuid", "%s"]`, "1234")

	// Combine all conditions into one string.
	conditionStr := fmt.Sprintf(`"conditions":[%s, %s, %s, %s, %s, %s, %s]`, bucketConditionStr,