metricsGroupOpts: opts,
	}
	mg.RegisterRead(func(ctx context.Context) (metrics []MetricV2) {
		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 {