</offlineLink>
            <!-- The JDK doc must be listed after JSR305 (and as an <offlineLink>, not a <link>) so that JSR305 "claims" javax.annotation. -->
            <offlineLink>
              <url>https://docs.oracle.com/javase/9/docs/api/</url>
              <location>https://docs.oracle.com/javase/9/docs/api/</location>
            </offlineLink>

            </offlineLink>
            <!-- The JDK doc must be listed after JSR305 (and as an <offlineLink>, not a <link>) so that JSR305 "claims" javax.annotation. -->
            <offlineLink>
              <url>https://docs.oracle.com/javase/9/docs/api/</url>
              <location>https://docs.oracle.com/javase/9/docs/api/</location>
            </offlineLink>

	}

	return
}

func getOnlineOfflineDisksStats(disksInfo []madmin.Disk) (onlineDisks, offlineDisks madmin.BackendDisks) {
	onlineDisks = make(madmin.BackendDisks)
	offlineDisks = make(madmin.BackendDisks)

	for _, disk := range disksInfo {
		ep := disk.Endpoint
		if _, ok := offlineDisks[ep]; !ok {
			offlineDisks[ep] = 0
		}
		if _, ok := onlineDisks[ep]; !ok {
			onlineDisks[ep] = 0
		}
	}

	if objLayer == nil {
		return
	}

	server := getLocalServerProperty(globalEndpoints, &http.Request{
		Host: globalLocalNodeName,
	}, true)

	onlineDisks, offlineDisks := getOnlineOfflineDisksStats(server.Disks)
	totalDisks := offlineDisks.Merge(onlineDisks)

	// Report total capacity
	ch <- prometheus.MustNewConstMetric(
		prometheus.NewDesc(
			prometheus.BuildFQName(minioNamespace, "capacity_raw", "total"),

func getOfflineDisks(offlineHost string, endpoints EndpointServerPools) []madmin.Disk {
	var offlineDisks []madmin.Disk
	for _, pool := range endpoints {
		for _, ep := range pool.Endpoints {
			if offlineHost == "" && ep.IsLocal || offlineHost == ep.Host {
				offlineDisks = append(offlineDisks, madmin.Disk{
					Endpoint:  ep.String(),
					State:     string(madmin.ItemOffline),
					PoolIndex: ep.PoolIdx,

		for _, s := range servers {
			allDisks = append(allDisks, s.Disks...)
		}
		onlineDisks, offlineDisks := getOnlineOfflineDisksStats(allDisks)

		backend = madmin.ErasureBackend{
			Type:             madmin.ErasureType,
			OnlineDisks:      onlineDisks.Sum(),
			OfflineDisks:     offlineDisks.Sum(),
			StandardSCParity: backendInfo.StandardSCParity,
			RRSCParity:       backendInfo.RRSCParity,