) error {
	clusterDriveMetrics, _ := c.clusterDriveMetrics.Get()

	storageInfo := clusterDriveMetrics.storageInfo

	m.Set(healthCapacityRawTotalBytes, float64(GetTotalCapacity(storageInfo.Disks)))
	m.Set(healthCapacityRawFreeBytes, float64(GetTotalCapacityFree(storageInfo.Disks)))
	m.Set(healthCapacityUsableTotalBytes, float64(GetTotalUsableCapacity(storageInfo.Disks, storageInfo)))

	}

	// Wait for the go routines.
	g.Wait()

	storageInfo.Backend = z.BackendInfo()
	for _, lstorageInfo := range storageInfos {
		storageInfo.Disks = append(storageInfo.Disks, lstorageInfo.Disks...)
	}

	return storageInfo
}

func (z *erasureServerPools) StorageInfo(ctx context.Context, metrics bool) StorageInfo {
	return globalNotificationSys.StorageInfo(z, metrics)
}

		metrics = make([]MetricV2, 0, 10)
		storageInfo := objLayer.StorageInfo(ctx, true)
		onlineDrives, offlineDrives := getOnlineOfflineDisksStats(storageInfo.Disks)
		totalDrives := onlineDrives.Merge(offlineDrives)

		metrics = append(metrics, MetricV2{
			Description: getClusterCapacityTotalBytesMD(),
			Value:       float64(GetTotalCapacity(storageInfo.Disks)),
		})

		metrics = append(metrics, MetricV2{

			continue
		}
		props.MinioEnvVars[key] = value
	}

	objLayer := newObjectLayerFn()
	if objLayer != nil {
		storageInfo := objLayer.LocalStorageInfo(GlobalContext, metrics)
		props.State = string(madmin.ItemOnline)
		props.Disks = storageInfo.Disks
	} else {
		props.State = string(madmin.ItemInitializing)
		props.Disks = getOfflineDisks("", globalEndpoints)
	}

	return props

	objLayer := newObjectLayerFn()
	if objLayer == nil {
		return nil
	}

	metrics := make(map[string]madmin.DiskMetric)
	storageInfo := objLayer.LocalStorageInfo(GlobalContext, true)
	for _, d := range storageInfo.Disks {
		if len(disks) != 0 {
			_, ok := disks[d.Endpoint]
			if !ok {
				continue
			}
		}

			"Total free capacity online in the cluster",
			nil, nil),
		prometheus.GaugeValue,
		float64(GetTotalCapacityFree(server.Disks)),
	)

	sinfo := objLayer.StorageInfo(GlobalContext, true)

	// Report total usable capacity
	ch <- prometheus.MustNewConstMetric(
		prometheus.NewDesc(
			prometheus.BuildFQName(minioNamespace, "capacity_usable", "total"),

	// Multi disk BackendErasure (single, distributed) backend.
	BackendErasure = BackendType(madmin.Erasure)
	// Add your own backend.
)

// StorageInfo - represents total capacity of underlying storage.
type StorageInfo = madmin.StorageInfo

// objectHistogramInterval is an interval that will be
// used to report the histogram of objects data sizes
type objectHistogramInterval struct {
	name       string

		objLayer := newObjectLayerFn()
		if objLayer == nil {
			return storageMetrics{}, nil
		}
		storageInfo := objLayer.StorageInfo(GlobalContext, true)
		onlineDrives, offlineDrives := getOnlineOfflineDisksStats(storageInfo.Disks)
		totalDrives := onlineDrives.Merge(offlineDrives)
		v = storageMetrics{
			storageInfo:   storageInfo,
			onlineDrives:  onlineDrives.Sum(),
			offlineDrives: offlineDrives.Sum(),

	r := &rebalanceMeta{
		ID:        shortuuid.New(),
		PoolStats: make([]*rebalanceStats, len(z.serverPools)),
	}

	// Fetch disk capacity and available space.
	si := z.StorageInfo(ctx, true)
	diskStats := make([]struct {
		AvailableSpace uint64
		TotalSpace     uint64
	}, len(z.serverPools))
	var totalCap, totalFree uint64
	for _, disk := range si.Disks {
		// Ignore invalid.

	}
}

// Get formatted disk/storage info message.
func getStorageInfoMsg(storageInfo StorageInfo) string {
	var msg string
	var mcMessage string
	onlineDisks, offlineDisks := getOnlineOfflineDisksStats(storageInfo.Disks)
	if storageInfo.Backend.Type == madmin.Erasure {
		if offlineDisks.Sum() > 0 {
			mcMessage = "Use `mc admin info` to look for latest server/drive info\n"
		}