// Return error when quorum unformatted disks - indicating we are
	// waiting for first server to be online.
	unformattedDisks := quorumUnformattedDisks(sErrs)
	if unformattedDisks && !firstDisk {
		return nil, nil, errNotFirstDisk
	}

	// Return error when quorum unformatted disks but waiting for rest
	// of the servers to be online.
	if unformattedDisks && firstDisk {
		return nil, nil, errFirstDiskWait
	}

	m.Set(driveTotalInodes, float64(drive.UsedInodes+drive.FreeInodes), labels...)

	var healing, online float64
	if drive.Healing {
		healing = 1
	}
	m.Set(driveHealing, healing, labels...)

	if drive.State == "ok" {
		online = 1
	}
	m.Set(driveOnline, online, labels...)
}

func (m *MetricValues) setDriveAPIMetrics(disk madmin.Disk, labels []string) {
	if disk.Metrics == nil {

    String ONLINE_HELP_NAME_WEBCONFIG = "online.help.name.webconfig";

    /** The key of the configuration. e.g. searchlist */
    String ONLINE_HELP_NAME_SEARCHLIST = "online.help.name.searchlist";

    /** The key of the configuration. e.g. log */
    String ONLINE_HELP_NAME_LOG = "online.help.name.log";

    /** The key of the configuration. e.g. general */
    String ONLINE_HELP_NAME_GENERAL = "online.help.name.general";

				SetID:         setIdx,
				PoolID:        poolIdx,
				Healthy:       erasureSetUpCount[poolIdx][setIdx].online >= poolWriteQuorums[poolIdx],
				HealthyRead:   erasureSetUpCount[poolIdx][setIdx].online >= poolReadQuorums[poolIdx],
				HealthyDrives: erasureSetUpCount[poolIdx][setIdx].online,
				HealingDrives: erasureSetUpCount[poolIdx][setIdx].healing,
				ReadQuorum:    poolReadQuorums[poolIdx],

online.help.name.relatedquery=relatedquery
online.help.name.relatedcontent=relatedcontent
online.help.name.wizard=wizard
online.help.name.badword=badword
online.help.name.pathmap=pathmap
online.help.name.boostdoc=boostdoc
online.help.name.dataconfig=dataconfig
online.help.name.systeminfo=systeminfo
online.help.name.user=user
online.help.name.group=group
online.help.name.design=design
online.help.name.dashboard=dashboard

		// make connection pre-emptively.
		go clnt.HealthCheckFn()
	}
	return clnt
}

// IsOnline returns whether the client is likely to be online.
func (c *Client) IsOnline() bool {
	return atomic.LoadInt32(&c.connected) == online
}

// LastConn returns when the disk was (re-)connected
func (c *Client) LastConn() time.Time {
	return time.Unix(0, atomic.LoadInt64(&c.lastConn))
}

					prev, ok := sys.hc[result.Endpoint.Host]
					sys.hMutex.RUnlock()
					if ok {
						if prev.Online != result.Online || !result.Online {
							if !prev.lastHCAt.IsZero() {
								offline = time.Since(prev.lastHCAt) + prev.offlineDuration
							} else {
								offline = prev.offlineDuration
							}
						} else if result.Online {
							offline = prev.offlineDuration
						}
					}
					lastOnline = prev.lastOnline

     * @return uses the Maven project and its child modules
     */
    boolean aggregator() default false;

    /**
     * does this Mojo need to be online to be executed?
     * @return need to be online
     */
    boolean onlineRequired() default false;

    /**
     * TODO: v4: add a SPI for the configurator
     * configurator bean name.
     * @return the configurator bean name

| `minio_cluster_capacity_raw_free_bytes`      | Total free capacity online in the cluster.                     |
| `minio_cluster_capacity_raw_total_bytes`     | Total capacity online in the cluster.                          |
| `minio_cluster_capacity_usable_free_bytes`   | Total free usable capacity online in the cluster.              |
| `minio_cluster_capacity_usable_total_bytes`  | Total usable capacity online in the cluster.                   |

| `minio_cluster_health_drives_online_count`         | `gauge` | Count of online drives in the cluster          |        |
| `minio_cluster_health_drives_count`                | `gauge` | Count of all drives in the cluster             |        |
| `minio_cluster_health_nodes_offline_count`         | `gauge` | Count of offline nodes in the cluster          |        |