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])
}

	}

	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()

			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")

	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

	deletes := make([]uint64, len(infos))
	writes := make([]uint64, len(infos))
	for index, di := range infos {
		deletes[index] = di.Metrics.TotalDeletes
		writes[index] = di.Metrics.TotalWrites
	}

	filter := func(list []uint64) (commonCount uint64) {
		maxCnt := 0
		signatureMap := map[uint64]int{}
		for _, v := range list {
			signatureMap[v]++
		}

	if divisibleSize < setCounts[len(setCounts)-1] {
		return divisibleSize
	}

	// Figure out largest value of total_drives_in_erasure_set which results
	// in least number of total_drives/total_drives_erasure_set ratio.
	prevD := divisibleSize / setCounts[0]
	for _, cnt := range setCounts {
		if divisibleSize%cnt == 0 {
			d := divisibleSize / cnt
			if d <= prevD {
				prevD = d
				setSize = cnt