float64(GetTotalUsableCapacity(server.Disks, sinfo)),
	)

	// Report total usable capacity free
	ch <- prometheus.MustNewConstMetric(
		prometheus.NewDesc(
			prometheus.BuildFQName(minioNamespace, "capacity_usable_free", "total"),
			"Total free usable capacity online in the cluster",
			nil, nil),
		prometheus.GaugeValue,
		float64(GetTotalUsableCapacityFree(server.Disks, sinfo)),
	)

	// MinIO Offline Disks per node

		}
	}
	return reply
}

// GetOSInfo - Get operating system's information
func (sys *NotificationSys) GetOSInfo(ctx context.Context) []madmin.OSInfo {
	reply := make([]madmin.OSInfo, len(sys.peerClients))

	g := errgroup.WithNErrs(len(sys.peerClients))
	for index, client := range sys.peerClients {
		if client == nil {
			continue
		}
		index := index

	return resp.ValueOrZero(), err
}

// GetOSInfo - fetch OS information for a remote node.
func (client *peerRESTClient) GetOSInfo(ctx context.Context) (info madmin.OSInfo, err error) {
	resp, err := getOSInfoRPC.Call(ctx, client.gridConn(), grid.NewMSS())
	return resp.ValueOrZero(), err
}

// GetSELinuxInfo - fetch SELinux information for a remote node.