// If not set the client will not keep track of health.
	// Calling this returns true or false if the target
	// is online or offline.
	HealthCheckFn func() bool

	// HealthCheckRetryUnit will be used to calculate the exponential
	// backoff when trying to reconnect to an offline node
	HealthCheckReconnectUnit time.Duration

	// HealthCheckTimeout determines timeout for each call.
	HealthCheckTimeout time.Duration

					var lastOnline time.Time
					var offline time.Duration
					//	var deploymentID string
					sys.hMutex.RLock()
					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 {

                    .desc("Defines the color mode of the output. Supported are 'auto', 'always', 'never'.")
                    .get());
            options.addOption(Option.builder(OFFLINE)
                    .longOpt("offline")
                    .desc("Work offline")
                    .get());

            // Parameters handled by script
            options.addOption(Option.builder()
                    .longOpt(DEBUG)

			"Total free usable capacity online in current MinIO server instance",
			nil, nil),
		prometheus.GaugeValue,
		float64(GetTotalUsableCapacityFree(server.Disks, sinfo)),
	)

	// MinIO Offline Disks per node
	ch <- prometheus.MustNewConstMetric(
		prometheus.NewDesc(
			prometheus.BuildFQName(minioNamespace, "disks", "offline"),
			"Total number of offline drives in current MinIO server instance",

		if di.RootDisk {
			rootDiskCount++
		}
	}

	// Count offline disks as well to ensure consistent
	// reportability of offline drives on local setups.
	if len(disksInfo) == (rootDiskCount + offlineDisks.Sum()) {
		// Success.
		return onlineDisks, offlineDisks
	}

	// Root disk should be considered offline
	for i := range disksInfo {
		ep := disksInfo[i].Endpoint
		if disksInfo[i].RootDisk {

		nodesUpDown:         newNodesUpDownCache(),
	}
}

type nodesOnline struct {
	Online, Offline int
}

func newNodesUpDownCache() *cachevalue.Cache[nodesOnline] {
	loadNodesUpDown := func(ctx context.Context) (v nodesOnline, err error) {
		v.Online, v.Offline = globalNotificationSys.GetPeerOnlineCount()
		return v, err
	}
	return cachevalue.NewFromFunc(1*time.Minute,

	if err != nil {
		t.Fatal(err)
	}
	existingETag := objInfo.ETag

	// Simulate read quorum failure by taking enough disks offline
	// With 16 disks (EC 8+8), read quorum is 9. Taking 8 disks offline leaves only 8,
	// which is below read quorum.
	erasureDisks := xl.getDisks()
	z.serverPools[0].erasureDisksMu.Lock()
	xl.getDisks = func() []StorageAPI {

          # - notes.md and notes-templates.md - because they are a part of user guide
          # - Kotlin's Module.md - because it's a part of the Kotlin DSL docs
          args: >
            --no-progress --offline '**/*.md' --include-fragments
            --exclude-path 'platforms/documentation/docs/src/docs/release/notes.md'
            --exclude-path 'platforms/documentation/docs/src/docs/release/notes-template.md'

	if err != nil {
		t.Fatal(err)
	}
	existingETag := objInfo.ETag

	// Simulate read quorum failure by taking enough disks offline
	// With 16 disks (EC 8+8), read quorum is 9. Taking 8 disks offline leaves only 8,
	// which is below read quorum.
	erasureDisks := xl.getDisks()
	z.serverPools[0].erasureDisksMu.Lock()
	xl.getDisks = func() []StorageAPI {

	}

	// count the number of offline disks
	offline := 0
	for i := range len(errs) {
		var found bool
		switch {
		case errors.Is(errs[i], errDiskNotFound):
			found = true
		default:
			for p := range dataErrsByPart {
				if dataErrsByPart[p][i] == checkPartDiskNotFound {
					found = true
					break
				}
			}
		}
		if found {
			offline++
		}
	}
	if offline > 0 {