}

			if usage.Unit == csipbv1.VolumeUsage_INODES {
				freeInodes := resource.NewQuantity(usage.Available, resource.BinarySI)
				inodes := resource.NewQuantity(usage.Total, resource.BinarySI)
				usedInodes := resource.NewQuantity(usage.Used, resource.BinarySI)
				if metrics.InodesFree.Cmp(*freeInodes) != 0 {
					t.Fatalf("for %s: error: expected :%v , got: %v", tc.name, *freeInodes, *(metrics.InodesFree))
				}

	m.Set(driveTotalBytes, float64(drive.TotalSpace), labels...)
	m.Set(driveUsedInodes, float64(drive.UsedInodes), labels...)
	m.Set(driveFreeInodes, float64(drive.FreeInodes), labels...)
	m.Set(driveTotalInodes, float64(drive.UsedInodes+drive.FreeInodes), labels...)

	var health float64
	switch drive.Healing {
	case true:
		health = driveHealthHealing
	case false:
		if drive.State == "ok" {