func (d *naughtyDisk) UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo, opts UpdateMetadataOpts) (err error) {
	if err := d.calcError(); err != nil {
		return err
	}
	return d.disk.UpdateMetadata(ctx, volume, path, fi, opts)
}

func (d *naughtyDisk) DeleteVersion(ctx context.Context, volume, path string, fi FileInfo, forceDelMarker bool, opts DeleteOptions) (err error) {
	if err := d.calcError(); err != nil {
		return err

func newStorageAPI(endpoint Endpoint, opts storageOpts) (storage StorageAPI, err error) {
	if endpoint.IsLocal {
		storage, err := newXLStorage(endpoint, opts.cleanUp)
		if err != nil {
			return nil, err
		}
		return newXLStorageDiskIDCheck(storage, opts.healthCheck), nil
	}

	return newStorageRESTClient(endpoint, opts.healthCheck, globalGrid.Load())

				continue
			}

			var partsMD5Sum [][]byte
			var failedMD5 bool
			for p := 1; p <= parts; p++ {
				opts := minio.GetObjectOptions{
					VersionID:  object.VersionID,
					PartNumber: p,
				}
				obj, err := s3Client.GetObject(context.Background(), bucket, object.Key, opts)
				if err != nil {
					log.Println("FAILED: GET", objFullPath(object), "=>", err)
					failedMD5 = true
					break
				}

	if err != nil {
		log.Fatalf("Error initializing STS Identity: %v", err)
	}

	stsEndpointURL, err := url.Parse(stsEndpoint)
	if err != nil {
		log.Fatalf("Error parsing sts endpoint: %v", err)
	}

	opts := &minio.Options{
		Creds:  li,
		Secure: stsEndpointURL.Scheme == "https",
	}

	v, err := li.Get()
	if err != nil {
		log.Fatalf("Error retrieving STS credentials: %v", err)
	}

func (srv *Server) UseCustomLogger(l *log.Logger) *Server {
	srv.ErrorLog = l
	return srv
}

// UseTCPOptions use custom TCP options on raw socket
func (srv *Server) UseTCPOptions(opts TCPOptions) *Server {
	srv.TCPOptions = opts
	return srv
}

// NewServer - creates new HTTP server using given arguments.
func NewServer(addrs []string) *Server {
	httpServer := &Server{
		Addrs: addrs,
	}

	}
	if len(extra) > 0 {
		msg += fmt.Sprintf(`Extra environment values: %v. `, extra)
	}

	return errors.New(strings.TrimSpace(msg))
}

var skipEnvs = map[string]struct{}{
	"MINIO_OPTS":          {},
	"MINIO_CERT_PASSWD":   {},
	"MINIO_SERVER_DEBUG":  {},
	"MINIO_DSYNC_TRACE":   {},
	"MINIO_ROOT_USER":     {},
	"MINIO_ROOT_PASSWORD": {},
	"MINIO_ACCESS_KEY":    {},
	"MINIO_SECRET_KEY":    {},

			for k, v := range req.UserMetadata {
				userDefined[k] = v
			}
			userDefined[xhttp.AmzObjectTagging] = s3utils.TagEncode(req.UserTags)

			if opts.Kind != nil {
				encrd, objectEncryptionKey, err := newEncryptReader(ctx, hr, opts.Kind, opts.KeyID, opts.Key, bucket, req.Key, userDefined, opts.KmsCtx)
				if err != nil {
					errs[idx] = err
					return
				}

				// do not try to verify encrypted content/

func (opts Config) GetWorkers() int {
	configMutex.RLock()
	defer configMutex.RUnlock()
	return opts.DriveWorkers
}

// Update updates opts with nopts
func (opts *Config) Update(nopts Config) {
	configMutex.Lock()
	defer configMutex.Unlock()

	opts.Bitrot = nopts.Bitrot
	opts.IOCount = nopts.IOCount
	opts.Sleep = nopts.Sleep
	opts.DriveWorkers = nopts.DriveWorkers

				return
			default:
			}

			sopts := speedTestOpts{
				objectSize:   opts.objectSize,
				concurrency:  concurrency,
				duration:     opts.duration,
				storageClass: opts.storageClass,
				bucketName:   opts.bucketName,
				enableSha256: opts.enableSha256,
			}

			results := globalNotificationSys.SpeedTest(ctx, sopts)
			sort.Slice(results, func(i, j int) bool {

		return nil, fmt.Errorf("directory %v does not exist and could not be created: %w", opts.Directory, err)
	}

	if opts.FileNameFunc == nil {
		opts.FileNameFunc = defaultFilenameFunc
	}

	pr, pw := xioutil.WaitPipe()

	w := &Writer{
		opts: opts,
		pw:   pw,
		pr:   pr,
	}

	if w.f == nil {
		if err := w.rotate(); err != nil {