Namespace: nodeMetricNamespace,
		Subsystem: driveSubsystem,
		Name:      totalBytes,
		Help:      "Total storage on a drive",
		Type:      gaugeMetric,
	}
}

func getUsageLastScanActivityMD() MetricDescription {
	return MetricDescription{
		Namespace: minioMetricNamespace,
		Subsystem: usageSubsystem,
		Name:      lastActivityTime,