return
		}

		storageInfo := objLayer.LocalStorageInfo(GlobalContext, true)
		onlineDrives, offlineDrives := getOnlineOfflineDisksStats(storageInfo.Disks)
		totalDrives := onlineDrives.Merge(offlineDrives)

		v = storageMetrics{
			storageInfo:   storageInfo,
			onlineDrives:  onlineDrives.Sum(),
			offlineDrives: offlineDrives.Sum(),
			totalDrives:   totalDrives.Sum(),
			ioStats:       map[string]driveIOStatMetrics{},
		}

func loadClusterHealthDriveMetrics(ctx context.Context, m MetricValues,
	c *metricsCache,
) error {
	clusterDriveMetrics, _ := c.clusterDriveMetrics.Get()

	m.Set(healthDrivesOfflineCount, float64(clusterDriveMetrics.offlineDrives))
	m.Set(healthDrivesOnlineCount, float64(clusterDriveMetrics.onlineDrives))
	m.Set(healthDrivesCount, float64(clusterDriveMetrics.totalDrives))

	return nil
}

const (

		if dm, found := driveMetrics.ioStats[disk.DrivePath]; found {
			m.setDriveIOStatMetrics(dm, labels)
		}
		m.setDriveAPIMetrics(disk, labels)
	}

	m.Set(driveOfflineCount, float64(driveMetrics.offlineDrives))
	m.Set(driveOnlineCount, float64(driveMetrics.onlineDrives))
	m.Set(driveCount, float64(driveMetrics.totalDrives))

	return nil