di.Major = info.Major
			di.Minor = info.Minor
			di.RootDisk = info.RootDisk
			di.Healing = info.Healing
			di.Scanning = info.Scanning
			di.State = diskErrToDriveState(err)
			di.FreeInodes = info.FreeInodes
			di.UsedInodes = info.UsedInodes
			if info.Healing {
				if hi := disks[index].Healing(); hi != nil {
					hd := hi.toHealingDisk()
					di.HealInfo = &hd
				}
			}

	defer locker.Unlock(lkctx)

	// Load healing tracker in this disk
	tracker, err := loadHealingTracker(ctx, disk)
	if err != nil {
		// A healing tracker may be deleted if another disk in the
		// same erasure set with same healing-id successfully finished
		// healing.
		if errors.Is(err, errFileNotFound) {
			return nil
		}
		healingLogIf(ctx, fmt.Errorf("Unable to load healing tracker on '%s': %w, re-initializing..", disk, err))

	m.Set(driveFreeInodes, float64(drive.FreeInodes), labels...)
	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...)
}

	// Set a unique 'uuid' for this disk, only used when
	// disk is replaced and formatted.
	SetDiskID(id string)

	// Returns healing information for a newly replaced disk,
	// returns 'nil' once healing is complete or if the disk
	// has never been replaced.
	Healing() *healingTracker
	DiskInfo(ctx context.Context, opts DiskInfoOptions) (info DiskInfo, err error)

					}
				}
			}
		}

		pool, deadline := globalAPIConfig.getRequestsPool()
		if pool == nil {
			f.ServeHTTP(w, r)
			return
		}

		globalHTTPStats.addRequestsInQueue(1)

		if tc, ok := r.Context().Value(mcontext.ContextTraceKey).(*mcontext.TraceCtxt); ok {
			tc.FuncName = "s3.MaxClients"
		}

		deadlineTimer := time.NewTimer(deadline)
		defer deadlineTimer.Stop()

		select {

	erasureSetOverallHealth      = "overall_health"
	erasureSetReadQuorum         = "read_quorum"
	erasureSetWriteQuorum        = "write_quorum"
	erasureSetOnlineDrivesCount  = "online_drives_count"
	erasureSetHealingDrivesCount = "healing_drives_count"
	erasureSetHealth             = "health"
)

const (
	poolIDL = "pool_id"
	setIDL  = "set_id"
)

var (
	erasureSetOverallWriteQuorumMD = NewGaugeMD(erasureSetOverallWriteQuorum,

	storageRESTDirPath       = "dir-path"
	storageRESTFilePath      = "file-path"
	storageRESTVersionID     = "version-id"
	storageRESTReadData      = "read-data"
	storageRESTHealing       = "healing"
	storageRESTTotalVersions = "total-versions"
	storageRESTSrcVolume     = "source-volume"
	storageRESTSrcPath       = "source-path"
	storageRESTDstVolume     = "destination-volume"

				}
			} else {
				p.writers[i] = nil
			}
		}(i)
	}
	wg.Wait()

	// If nilCount >= p.writeQuorum, we return nil. This is because HealFile() uses
	// CreateFile with p.writeQuorum=1 to accommodate healing of single disk.
	// i.e if we do no return here in such a case, reduceWriteQuorumErrs() would
	// return a quorum error to HealFile().
	nilCount := countErrs(p.errs, nil)
	if nilCount >= p.writeQuorum {
		return nil
	}

}

func readBackgroundHealInfo(ctx context.Context, objAPI ObjectLayer) backgroundHealInfo {
	if globalIsErasureSD {
		return backgroundHealInfo{}
	}

	// Get last healing information
	buf, err := readConfig(ctx, objAPI, backgroundHealInfoPath)
	if err != nil {
		if !errors.Is(err, errConfigNotFound) {
			internalLogOnceIf(ctx, err, backgroundHealInfoPath)
		}

	GetDisks(poolIdx, setIdx int) ([]StorageAPI, error) // return the disks belonging to pool and set.
	SetDriveCounts() []int                              // list of erasure stripe size for each pool in order.

	// Healing operations.
	HealFormat(ctx context.Context, dryRun bool) (madmin.HealResultItem, error)
	HealBucket(ctx context.Context, bucket string, opts madmin.HealOpts) (madmin.HealResultItem, error)