zb0001--
		field, err = dc.ReadMapKeyPtr()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		switch msgp.UnsafeString(field) {
		case "id":
			z.DiskID, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "DiskID")
				return
			}
		case "v":
			z.Volume, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "Volume")
				return
			}
		case "fp":

		types = madmin.MetricType(t)
	} else {
		types = madmin.MetricsAll
	}

	disks := strings.Split(r.Form.Get("disks"), ",")
	byDisk := strings.EqualFold(r.Form.Get("by-disk"), "true")
	var diskMap map[string]struct{}
	if len(disks) > 0 && disks[0] != "" {
		diskMap = make(map[string]struct{}, len(disks))
		for _, k := range disks {
			if k != "" {
				diskMap[k] = struct{}{}
			}
		}
	}

		onlineDrives, offlineDrives := getOnlineOfflineDisksStats(storageInfo.Disks)
		totalDrives := onlineDrives.Merge(offlineDrives)

		for _, disk := range storageInfo.Disks {
			metrics = append(metrics, MetricV2{
				Description:    getNodeDriveUsedBytesMD(),
				Value:          float64(disk.UsedSpace),
				VariableLabels: map[string]string{"drive": disk.DrivePath},
			})

			metrics = append(metrics, MetricV2{

const (
	None Fault = iota
	MissingContentLength
	TooBigObject
	TooBigDecodedLength
	BadSignature
	BadMD5
	MissingUploadID
)

// Wrapper for calling HeadObject API handler tests for both Erasure multiple disks and FS single drive setup.
func TestAPIHeadObjectHandler(t *testing.T) {
	ExecObjectLayerAPITest(ExecObjectLayerAPITestArgs{t: t, objAPITest: testAPIHeadObjectHandler, endpoints: []string{"HeadObject"}})
}

// PersistToDisk persists in-memory resync metadata stats to disk at periodic intervals
func (s *replicationResyncer) PersistToDisk(ctx context.Context, objectAPI ObjectLayer) {
	resyncTimer := time.NewTimer(resyncTimeInterval)
	defer resyncTimer.Stop()

	// For each bucket name, store the last timestamp of the
	// successful save of replication status in the backend disks.
	lastResyncStatusSave := make(map[string]time.Time)

        return size;
    }

    /**
     * This method returns the free disk space in bytes of the drive this share
     * represents or the drive on which the directory or file resides. Objects
     * other than {@code TYPE_SHARE} or {@code TYPE_FILESYSTEM} will result
     * in 0L being returned.
     *
     * @return the free disk space in bytes of the drive on which this file or
     * directory resides

* Adding vmdk file extension for vmDiskPath in vsphere DeleteVolume ([#40538](https://github.com/kubernetes/kubernetes/pull/40538), [@divyenpatel](https://github.com/divyenpatel))
* Prevent hotloops on error conditions, which could fill up the disk faster than log rotation can free space. ([#40497](https://github.com/kubernetes/kubernetes/pull/40497), [@lavalamp](https://github.com/lavalamp))

     * List the contents of this SMB resource. The list returned by this
     * method will be;
     *
     * <ul>
     * <li>files and directories contained within this resource if the
     * resource is a normal disk file directory,
     * <li>all available NetBIOS workgroups or domains if this resource is
     * the top level URL <code>smb://</code>,
     * <li>all servers registered as members of a NetBIOS workgroup if this

			if !srcTimestamp.IsZero() {
				ondiskTimestamp, err := time.Parse(time.RFC3339Nano, lastTaggingTimestamp)
				// update tagging metadata only if replica  timestamp is newer than what's on disk
				if err != nil || (err == nil && !ondiskTimestamp.After(srcTimestamp)) {
					srcInfo.UserDefined[ReservedMetadataPrefixLower+TaggingTimestamp] = srcTimestamp.UTC().Format(time.RFC3339Nano)

			return madmin.ReplicateAddStatus{}, peerAddErr
		}
		// In this case, it means at least one cluster was added
		// successfully, we need to send a response to the client with
		// some details - FIXME: the disks on this cluster would need to
		// be cleaned to recover.
		partial := madmin.ReplicateAddStatus{
			Status:    madmin.ReplicateAddStatusPartial,
			ErrDetail: peerAddErr.Error(),
		}

		return partial, nil