c *metricsCache,
) error {
	clusterDriveMetrics, _ := c.clusterDriveMetrics.Get()

	storageInfo := clusterDriveMetrics.storageInfo

	m.Set(healthCapacityRawTotalBytes, float64(GetTotalCapacity(storageInfo.Disks)))
	m.Set(healthCapacityRawFreeBytes, float64(GetTotalCapacityFree(storageInfo.Disks)))
	m.Set(healthCapacityUsableTotalBytes, float64(GetTotalUsableCapacity(storageInfo.Disks, storageInfo)))

            append(b, "count", () -> p.getCount()).append(',');
            append(b, "used", () -> p.getUsed().getBytes()).append(',');
            append(b, "capacity", () -> p.getTotalCapacity().getBytes()).append('}');
            return b.toString();
        }).collect(Collectors.joining(",")));
        buf.append("},");
        final GarbageCollectors gc = jvmStats.getGc();
        buf.append("\"gc\":{");

            jvmPoolObj.key = p.getName();
            jvmPoolObj.count = p.getCount();
            jvmPoolObj.used = p.getUsed().getBytes();
            jvmPoolObj.capacity = p.getTotalCapacity().getBytes();
            return jvmPoolObj;
        }).toArray(n -> new JvmPoolObj[n]);
        final GarbageCollectors gc = jvmStats.getGc();
        jvmObj.gc = Arrays.stream(gc.getCollectors()).map(c -> {

		prometheus.NewDesc(
			prometheus.BuildFQName(minioNamespace, "capacity_raw", "total"),
			"Total capacity online in the cluster",
			nil, nil),
		prometheus.GaugeValue,
		float64(GetTotalCapacity(server.Disks)),
	)

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

		totalDrives := onlineDrives.Merge(offlineDrives)

		metrics = append(metrics, MetricV2{
			Description: getClusterCapacityTotalBytesMD(),
			Value:       float64(GetTotalCapacity(storageInfo.Disks)),
		})

		metrics = append(metrics, MetricV2{
			Description: getClusterCapacityFreeBytesMD(),
			Value:       float64(GetTotalCapacityFree(storageInfo.Disks)),
		})