_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
	if err != nil {
		t.Fatal(err)
	}
	// for a 16 disk setup, EC is 4, but will be upgraded up to 8.
	// Remove 4 disks.
	erasureDisks := xl.getDisks()
	z.serverPools[0].erasureDisksMu.Lock()
	xl.getDisks = func() []StorageAPI {
		for i := range erasureDisks[:4] {

	if parityDrives < 0 {
		parityDrives = er.defaultParityCount
	}

	if globalStorageClass.AvailabilityOptimized() {
		// If we have offline disks upgrade the number of erasure codes for this object.
		parityOrig := parityDrives

		var offlineDrives int
		for _, disk := range onlineDisks {
			if disk == nil || !disk.IsOnline() {
				parityDrives++

    /** The key of the message: Home Directory */
    public static final String LABELS_HOME_DIRECTORY = "{labels.homeDirectory}";

    /** The key of the message: Upgrade */
    public static final String LABELS_upgrade_title_configuration = "{labels.upgrade_title_configuration}";

    /** The key of the message: Data Migration */

     */
    String getOnlineHelpNameBackup();

    /**
     * Get the value for the key 'online.help.name.upgrade'. <br>
     * The value is, e.g. upgrade <br>
     * comment: Online help key for upgrade.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getOnlineHelpNameUpgrade();

    /**

		parityDrives = er.defaultParityCount
	}
	if opts.MaxParity {
		parityDrives = len(storageDisks) / 2
	}
	if !opts.MaxParity && globalStorageClass.AvailabilityOptimized() {
		// If we have offline disks upgrade the number of erasure codes for this object.
		parityOrig := parityDrives

		var offlineDrives int
		for _, disk := range storageDisks {
			if disk == nil || !disk.IsOnline() {
				parityDrives++

			return
		}
		if !objInfo.RestoreOngoing && !objInfo.RestoreExpires.IsZero() {
			statusCode = http.StatusAccepted
			alreadyRestored = true
		}
	}
	// set or upgrade restore expiry
	restoreExpiry := lifecycle.ExpectedExpiryTime(time.Now().UTC(), rreq.Days)
	metadata := cloneMSS(objInfo.UserDefined)

	// update self with restore metadata
	if rreq.Type != SelectRestoreRequest {