p.diskID.Store(&id)
}

func (p *xlStorageDiskIDCheck) checkDiskStale() error {
	if *p.diskID.Load() == emptyDiskID {
		// For empty disk-id we allow the call as the server might be
		// coming up and trying to read format.json or create format.json
		return nil
	}
	storedDiskID, err := p.storage.GetDiskID()
	if err != nil {
		// return any error generated while reading `format.json`

but in order to avoid inconsistency the Agreement is copyrighted and
may only be modified in the following manner. The Agreement Steward
reserves the right to publish new versions (including revisions) of
this Agreement from time to time. No one other than the Agreement
Steward has the right to modify this Agreement. The Eclipse Foundation
is the initial Agreement Steward. The Eclipse Foundation may assign the

				versionID = nullVersionID
			}

			// PR #11758 used DataDir, preserve it
			// for users who might have used master
			// branch
			xlMeta.data.remove(versionID, dataDir)

			// We need to attempt delete "dataDir" on the disk
			// due to a CopyObject() bug where it might have
			// inlined the data incorrectly, to avoid a situation
			// where we potentially leave "DataDir"

These values are enabled using server's configuration or environment variables.

## Examples

### Configuring connection limit

	apiRequestsIncomingTotalMD = NewGaugeMD(apiRequestsIncomingTotal,
		"Total number of incoming requests", "type")

	apiRequestsInFlightTotalMD = NewGaugeMD(apiRequestsInFlightTotal,
		"Total number of requests currently in flight", "name", "type")
	apiRequestsTotalMD = NewCounterMD(apiRequestsTotal,
		"Total number of requests", "name", "type")
	apiRequestsErrorsTotalMD = NewCounterMD(apiRequestsErrorsTotal,

	mlock sync.RWMutex // mutex for bucket measurement

	bucketsThrottle    map[BucketOptions]*bucketThrottle
	bucketsMeasurement map[BucketOptions]*bucketMeasurement // Buckets with objects in flight

	bucketMovingAvgTicker *time.Ticker    // Ticker for calculating moving averages
	ctx                   context.Context // Context for generate
	NodeCount             uint64
}

		Usage:  "custom TCP_USER_TIMEOUT for socket buffers",
		Hidden: true,
		Value:  10 * time.Minute,
		EnvVar: "MINIO_CONN_USER_TIMEOUT",
	},
	cli.StringFlag{
		Name:   "interface",
		Usage:  "bind to right VRF device for MinIO services",
		Hidden: true,
		EnvVar: "MINIO_INTERFACE",
	},
	cli.DurationFlag{
		Name:   "dns-cache-ttl",
		Usage:  "custom DNS cache TTL",
		Hidden: true,

		parts:            oi.Parts,
		partIndex:        partStart,
	}

	// In case of SSE-C, we have to decrypt the OEK using the client-provided key.
	// In case of a SSE-C server-side copy, the client might provide two keys,
	// one for the source and one for the target. This reader is the source.
	var ssecClientKey []byte
	if crypto.SSEC.IsEncrypted(oi.UserDefined) {
		if copySource && crypto.SSECopy.IsRequested(h) {

		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 {
		newMeta := newPoolMeta(z, meta)
		if err = newMeta.save(ctx, z.serverPools); err != nil {

		appendHyphen = true
	}
	if p.sealMD5Fn != nil {
		md5sumCurr = p.sealMD5Fn(md5sumCurr)
	}
	if appendHyphen {
		// Make sure to return etag string upto 32 length, for SSE
		// requests ETag might be longer and the code decrypting the
		// ETag ignores ETag in multipart ETag form i.e <hex>-N
		return hex.EncodeToString(md5sumCurr)[:32] + "-1"
	}
	return hex.EncodeToString(md5sumCurr)
}