lastSuccess int64

	// atomic time of last time a token was grabbed.
	lastStarted int64

	// Atomic status of disk.
	status atomic.Int32

	// Atomic number indicates if a disk is hung
	waiting atomic.Int32
}

// newDiskHealthTracker creates a new disk health tracker.
func newDiskHealthTracker() *diskHealthTracker {
	d := diskHealthTracker{
		lastSuccess: time.Now().UnixNano(),

			}

			// An online-disk means its a valid disk but it may be a re-connected disk
			// we verify that here based on LastConn(), however we make sure to avoid
			// putting it back into the s.erasureDisks by re-placing the disk again.
			_, setIndex, _ := cdisk.GetDiskLoc()
			if setIndex != -1 {
				continue
			}
		}
		if cdisk != nil {
			// Close previous offline disk.
			cdisk.Close()
		}

		wg.Add(1)

		}
	}()

	// Restrict parallelism for disk usage scanner
	// upto GOMAXPROCS if GOMAXPROCS is < len(disks)
	maxProcs := runtime.GOMAXPROCS(0)
	if maxProcs < len(disks) {
		disks = disks[:maxProcs]
	}

	// Start one scanner per disk
	var wg sync.WaitGroup
	wg.Add(len(disks))

	for i := range disks {
		go func(i int) {
			defer wg.Done()
			disk := disks[i]

			for bucket := range bucketCh {

		if len(disks) < er.setDriveCount/2 {
			return fmt.Errorf("not enough drives (found=%d, healing=%d, total=%d) are available to heal `%s`", len(disks), healing, er.setDriveCount, tracker.disk.String())
		}

		rand.Shuffle(len(disks), func(i, j int) {
			disks[i], disks[j] = disks[j], disks[i]
		})

		expectedDisks := len(disks)/2 + 1
		fallbackDisks := disks[expectedDisks:]
		disks = disks[:expectedDisks]

	return d.disk.IsLocal()
}

func (d *naughtyDisk) Endpoint() Endpoint {
	return d.disk.Endpoint()
}

func (d *naughtyDisk) Hostname() string {
	return d.disk.Hostname()
}

func (d *naughtyDisk) Healing() *healingTracker {
	return d.disk.Healing()
}

func (d *naughtyDisk) Close() (err error) {
	if err = d.calcError(); err != nil {
		return err
	}
	return d.disk.Close()
}

			} else {
				dataErrsByPart[p][i] = verifyResp.Results[p]
			}
		}
	}

	// Build dataErrs by disk from dataErrs by part
	for part, disks := range dataErrsByPart {
		for disk := range disks {
			dataErrsByDisk[disk][part] = dataErrsByPart[part][disk]
		}
	}

	for i, onlineDisk := range onlineDisks {
		if metaErrs[i] == nil {
			meta := partsMetadata[i]

			var wg sync.WaitGroup
			// Remove versions in bulk for each disk
			for index, disk := range storageDisks {
				if disk == nil {
					continue
				}
				wg.Add(1)
				go func(index int, disk StorageAPI) {
					defer wg.Done()
					_ = disk.Delete(ctx, bucket, object, DeleteOptions{
						Recursive: false,
						Immediate: false,
					})
				}(index, disk)
			}
			wg.Wait()
		}
	}

		float64(totalDisks.Sum()),
	)

	for _, disk := range server.Disks {
		// Total disk usage by the disk
		ch <- prometheus.MustNewConstMetric(
			prometheus.NewDesc(
				prometheus.BuildFQName(diskNamespace, "storage", "used"),
				"Total disk storage used on the drive",
				[]string{"disk"}, nil),
			prometheus.GaugeValue,
			float64(disk.UsedSpace),
			disk.DrivePath,
		)

		}
		m[err.Error()]++
	}
}()

// Cleans up tmp directory of the local disk.
func bgFormatErasureCleanupTmp(diskPath string) {
	// Need to move temporary objects left behind from previous run of minio
	// server to a unique directory under `minioMetaTmpBucket-old` to clean
	// up `minioMetaTmpBucket` for the current run.
	//
	// /disk1/.minio.sys/tmp-old/
	//  |__ 33a58b40-aecc-4c9f-a22f-ff17bfa33b62

	var uploadIDs []string
	var disk StorageAPI
	disks := er.getOnlineLocalDisks()
	if len(disks) == 0 {
		// If no local, get non-healing disks.
		var ok bool
		if disks, ok = er.getOnlineDisksWithHealing(false); !ok {
			disks = er.getOnlineDisks()
		}
	}

	for _, disk = range disks {
		if disk == nil {
			continue
		}
		if !disk.IsOnline() {
			continue
		}