lastOnline      time.Time
	lastHCAt        time.Time
	offlineDuration time.Duration
	latency         latencyStat
}

// isOffline returns current liveness result of remote target. Add endpoint to
// healthCheck map if missing and default to online status
func (sys *BucketTargetSys) isOffline(ep *url.URL) bool {
	sys.hMutex.RLock()
	defer sys.hMutex.RUnlock()
	if h, ok := sys.hc[ep.Host]; ok {
		return !h.Online
	}

func newStorageRESTClient(endpoint Endpoint, healthCheck bool, gm *grid.Manager) (*storageRESTClient, error) {
	serverURL := &url.URL{
		Scheme: endpoint.Scheme,
		Host:   endpoint.Host,
		Path:   path.Join(storageRESTPrefix, endpoint.Path, storageRESTVersion),
	}

	restClient := rest.NewClient(serverURL, globalInternodeTransport, newCachedAuthToken())
	if healthCheck {
		// Use a separate client to avoid recursive calls.

	for _, erasureDir := range erasureDirs {
		defer os.RemoveAll(erasureDir)
	}
	endpoints := mustGetNewEndpoints(0, 8, erasureDirs...)

	storageDisks, errs := initStorageDisksWithErrors(endpoints, storageOpts{cleanUp: false, healthCheck: false})
	for _, err := range errs {
		if err != nil && err != errDiskNotFound {
			t.Fatal(err)
		}
	}

	format := newFormatErasureV3(1, 8)

	e.mu.Lock()
	defer e.mu.Unlock()
	return e.getTotal()
}

func newXLStorageDiskIDCheck(storage *xlStorage, healthCheck bool) *xlStorageDiskIDCheck {
	xl := xlStorageDiskIDCheck{
		storage:      storage,
		health:       newDiskHealthTracker(),
		healthCheck:  healthCheck && globalDriveMonitoring,
		metricsCache: cachevalue.New[DiskMetrics](),
	}
	xl.SetDiskID(emptyDiskID)

	}

	var (
		tries   int
		verbose bool
	)

	// Initialize all storage disks
	storageDisks, errs := initStorageDisksWithErrors(endpoints, storageOpts{cleanUp: true, healthCheck: true})

	if err := checkDiskFatalErrs(errs); err != nil {
		return nil, nil, err
	}

	defer func() {
		if err == nil && format != nil {
			// Assign globalDeploymentID() on first run for the

	globalLifecycleSys       *LifecycleSys
	globalBucketSSEConfigSys *BucketSSEConfigSys
	globalBucketTargetSys    *BucketTargetSys
	// globalAPIConfig controls S3 API requests throttling,
	// healthCheck readiness deadlines and cors settings.
	globalAPIConfig = apiConfig{listQuorum: "strict", rootAccess: true}

	globalStorageClass storageclass.Config

	globalAuthNPlugin *idplugin.AuthNPlugin

// StorageAPI and also `format` which exists on the disk.
func connectEndpoint(endpoint Endpoint) (StorageAPI, *formatErasureV3, error) {
	disk, err := newStorageAPI(endpoint, storageOpts{
		cleanUp:     false,
		healthCheck: false,
	})
	if err != nil {
		return nil, nil, err
	}

	format, err := loadFormatErasure(disk, false)
	if err != nil {
		disk.Close()

    // Advanced health monitoring
    private final ScheduledExecutorService healthCheckExecutor = Executors.newSingleThreadScheduledExecutor(r -> {
        Thread t = new Thread(r, "SmbTransportPool-HealthCheck");
        t.setDaemon(true);
        return t;
    });
    private ScheduledFuture<?> healthCheckTask;
    private volatile boolean healthCheckingEnabled = true;

    // Health check metrics

            t.setDaemon(true);
            return t;
        });

        this.healthCheckExecutor = Executors.newScheduledThreadPool(2, r -> {
            Thread t = new Thread(r, "SMB3-MultiChannel-HealthCheck");
            t.setDaemon(true);
            return t;
        });

        // Start health check task
        if (healthCheckInterval > 0) {
            startHealthCheckTask();
        }

				if r.TLS != nil {
					scheme = "https"
				}
				return scheme
			}(),
		}
	}
	return nil
}

// guessIsHealthCheckReq - returns true if incoming request looks
// like healthCheck request
func guessIsHealthCheckReq(req *http.Request) bool {
	if req == nil {
		return false
	}
	aType := getRequestAuthType(req)