}

	var updReq madmin.GroupAddRemove
	err = json.Unmarshal(data, &updReq)
	if err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}

	// Reject if the group add and remove are temporary credentials, or root credential.
	for _, member := range updReq.Members {
		ok, _, err := globalIAMSys.IsTempUser(member)
		if err != nil && err != errNoSuchUser {

	go func() {
		var buf bytes.Buffer
		enc := json.NewEncoder(&buf)
		for {
			select {
			case <-ctx.Done():
				return
			case li := <-logCh:
				if !li.SendLog(node, logKind) {
					continue
				}
				buf.Reset()
				if err := enc.Encode(li); err != nil {
					continue
				}
				select {
				case <-ctx.Done():
					return

		defer rTimer.Stop()
		for {
			select {
			case <-rTimer.C:
				sys.reloadHealthCheckers(ctx)
				rTimer.Reset(defaultHealthCheckReloadDuration)
			case <-ctx.Done():
				return
			}
		}
	}()
	go sys.heartBeat(ctx)
	return sys
}

// UpdateAllTargets updates target to reflect metadata updates

      this.forceCopy = true;
      return result;
    }
  }

  int unsafeCompare(Object a, @CheckForNull Object b) {
    return unsafeCompare(comparator, a, b);
  }

  static int unsafeCompare(Comparator<?> comparator, Object a, @CheckForNull Object b) {
    // Pretend the comparator can compare anything. If it turns out it can't

	dstBuf, err := xioutil.ReadFile(dstFilePath)
	if err != nil {
		// handle situations when dstFilePath is 'file'
		// for example such as someone is trying to
		// upload an object such as `prefix/object/xl.meta`
		// where `prefix/object` is already an object
		if isSysErrNotDir(err) && runtime.GOOS != globalWindowsOSName {
			// NOTE: On windows the error happens at
			// next line and returns appropriate error.

	if rcfg != nil {
		for _, rule := range rcfg.Rules {
			if rule.Status != sreplication.Status(replication.Disabled) {
				tgt, isValidARN := arnTgtMap[rule.Destination.ARN] // detect stale ARN in replication config
				_, epFound := epDeplIDMap[tgt.URL().String()]      // detect end point change at site level
				if !isValidARN || !epFound {
					replMismatch = true
					break
				}
			}
		}
	}

}

// DeleteObjectTags - delete object tags from an existing object
func (er erasureObjects) DeleteObjectTags(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error) {
	return er.PutObjectTags(ctx, bucket, object, "", opts)
}

// GetObjectTags - get object tags from an existing object

		// do an additional verification whether object exists when object is deletemarker and request
		// is from replication
		if opts.CheckDMReplicationReady {
			topts := opts
			topts.VersionID = ""
			goi, gerr := getObjectInfo(ctx, bucket, object, topts)
			if gerr == nil || goi.VersionID != "" { // object layer returned more info because object is deleted

				// Read last byte of object
				fmt.Sprintf("bytes=-%d", 1),
				// Read all but first byte of object
				"bytes=1-",
				// Read first half of object
				fmt.Sprintf("bytes=%d-%d", 0, objLen/2),
				// Read last half of object
				fmt.Sprintf("bytes=-%d", objLen/2),
				// Read middle half of object
				fmt.Sprintf("bytes=%d-%d", objLen/4, objLen*3/4),
				// Read 100MiB of the object from the beginning

	DeletePrefixObject                  bool      // set true when object's erasure set is resolvable by object name (using getHashedSetIndex)

	Speedtest bool // object call specifically meant for SpeedTest code, set to 'true' when invoked by SpeedtestHandler.

	// Use the maximum parity (N/2), used when saving server configuration files
	MaxParity bool

	// Provides a per object encryption function, allowing metadata encryption.