}

	si := p.updateStorageMetrics(storageMetricDiskInfo)
	defer si(0, &err)

	if opts.NoOp {
		if opts.Metrics {
			info.Metrics = p.getMetrics()
		}
		info.Metrics.TotalWrites = p.totalWrites.Load()
		info.Metrics.TotalDeletes = p.totalDeletes.Load()
		info.Metrics.TotalWaiting = uint32(p.health.waiting.Load())
		info.Metrics.TotalErrorsTimeout = p.totalErrsTimeout.Load()

	TotalErrorsAvailability uint64             `json:"totalErrsAvailability"`
	TotalErrorsTimeout      uint64             `json:"totalErrsTimeout"`
	TotalWrites             uint64             `json:"totalWrites"`
	TotalDeletes            uint64             `json:"totalDeletes"`
}

// VolsInfo is a collection of volume(bucket) information
type VolsInfo []VolInfo

			z.TotalErrorsTimeout, err = dc.ReadUint64()
			if err != nil {
				err = msgp.WrapError(err, "TotalErrorsTimeout")
				return
			}
		case "TotalWrites":
			z.TotalWrites, err = dc.ReadUint64()
			if err != nil {
				err = msgp.WrapError(err, "TotalWrites")
				return
			}
		case "TotalDeletes":
			z.TotalDeletes, err = dc.ReadUint64()
			if err != nil {
				err = msgp.WrapError(err, "TotalDeletes")

		objLayer := newObjectLayerFn()

		metrics = make([]MetricV2, 0, 50)
		storageInfo := objLayer.LocalStorageInfo(ctx, true)
		onlineDrives, offlineDrives := getOnlineOfflineDisksStats(storageInfo.Disks)
		totalDrives := onlineDrives.Merge(offlineDrives)

		for _, disk := range storageInfo.Disks {
			metrics = append(metrics, MetricV2{
				Description:    getNodeDriveUsedBytesMD(),
				Value:          float64(disk.UsedSpace),

	if err != nil {
		// We start off with '0' if we can read the attributes
		return 0
	}
	return binary.LittleEndian.Uint64(buf[:8])
}

func (s *xlStorage) getWriteAttribute() uint64 {
	attr := "user.total_writes"
	buf, err := xattr.LGet(s.formatFile, attr)
	if err != nil {
		// We start off with '0' if we can read the attributes
		return 0
	}

	return binary.LittleEndian.Uint64(buf[:8])
}