})
}

func validateObjPerfOptions(ctx context.Context, storageInfo madmin.StorageInfo, concurrent int, size int, autotune bool) (bool, bool, string) {
	capacityNeeded := uint64(concurrent * size)
	capacity := GetTotalUsableCapacityFree(storageInfo.Disks, storageInfo)

	if capacity < capacityNeeded {

	// 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

	}

	// 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(ctx, z, metrics)
}

		adminRouter.Methods(http.MethodGet, http.MethodPost).Path(adminVersion + "/inspect-data").HandlerFunc(adminMiddleware(adminAPI.InspectDataHandler, noGZFlag, traceHdrsS3HFlag))

		// StorageInfo operations
		adminRouter.Methods(http.MethodGet).Path(adminVersion + "/storageinfo").HandlerFunc(adminMiddleware(adminAPI.StorageInfoHandler, traceAllFlag))
		// DataUsageInfo operations

		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{

	clusterDriveMetrics, err := c.clusterDriveMetrics.Get()
	if err != nil {
		metricsLogIf(ctx, err)
	} else {
		m.Set(configStandardParity, float64(clusterDriveMetrics.storageInfo.Backend.StandardSCParity))
		m.Set(configRRSParity, float64(clusterDriveMetrics.storageInfo.Backend.RRSCParity))
	}

	return nil

		return nil, err
	}
	return *resp, nil
}

// LocalStorageInfo - fetch server information for a remote node.
func (client *peerRESTClient) LocalStorageInfo(ctx context.Context, metrics bool) (info StorageInfo, err error) {
	resp, err := localStorageInfoRPC.Call(ctx, client.gridConn(), grid.NewMSSWith(map[string]string{
		peerRESTMetrics: strconv.FormatBool(metrics),
	}))
	return resp.ValueOrZero(), err
}

	if idx < 0 {
		return pi, errInvalidArgument
	}
	if idx+1 > len(z.serverPools) {
		return pi, errInvalidArgument
	}

	info := z.serverPools[idx].StorageInfo(context.Background())
	info.Backend = z.BackendInfo()

	usableTotal := int64(GetTotalUsableCapacity(info.Disks, info))
	usableFree := int64(GetTotalUsableCapacityFree(info.Disks, info))
	return poolSpaceInfo{

	// Load latest rebalance status
	meta := &rebalanceMeta{}
	err = meta.load(ctx, z.serverPools[0])
	if err != nil {
		return r, err
	}

	// Compute disk usage percentage
	si := z.StorageInfo(ctx, true)
	diskStats := make([]struct {
		AvailableSpace uint64
		TotalSpace     uint64
	}, len(z.serverPools))
	for _, disk := range si.Disks {
		// Ignore invalid.

			if q.Size > 0 {
				quotaSize = int64(q.Size)
			} else if q.Quota > 0 {
				quotaSize = int64(q.Quota)
			}
		}

		if quotaSize == 0 {
			info := objAPI.StorageInfo(ctx, true)
			info.Backend = objAPI.BackendInfo()

			ci.Capacity = int64(GetTotalUsableCapacity(info.Disks, info))
		} else {
			ci.Capacity = quotaSize
		}
		ci.Available = ci.Capacity - ci.Used