prometheus.BuildFQName(minioNamespace, "nodes", "offline"),
			"Total number of MinIO nodes offline",
			nil, nil),
		prometheus.GaugeValue,
		float64(nodesDown),
	)
}

// collects healing specific metrics for MinIO instance in Prometheus specific format
// and sends to given channel
func healingMetricsPrometheus(ch chan<- prometheus.Metric) {

		wg.Add(1)
		go func() {
			defer wg.Done()
			if disks[i] == nil {
				return
			}
			di, err := disks[i].DiskInfo(context.Background(), DiskInfoOptions{})
			if err != nil || di.Healing {
				// - Do not consume disks which are not reachable
				//   unformatted or simply not accessible for some reason.
				//
				// - Do not consume disks which are being healed
				//
				// - Future: skip busy disks

	erasureSetOnlineDrivesCountMD = NewGaugeMD(erasureSetOnlineDrivesCount,
		"Count of online drives in the erasure set in a pool", poolIDL, setIDL)
	erasureSetHealingDrivesCountMD = NewGaugeMD(erasureSetHealingDrivesCount,
		"Count of healing drives in the erasure set in a pool", poolIDL, setIDL)
	erasureSetHealthMD = NewGaugeMD(erasureSetHealth,
		"Health of the erasure set in a pool (1=healthy, 0=unhealthy)",
		poolIDL, setIDL)

				p.writers[i] = nil
			}
		} else {
			p.writers[i] = nil
		}
	}

	// 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
	}

	}

	fi, err := s.getStorage().ReadVersion(context.Background(), origvolume, volume, filePath, versionID, ReadOptions{
		InclFreeVersions: inclFreeVersions,
		ReadData:         false,
		Healing:          healing,
	})
	if err != nil {
		return nil, grid.NewRemoteErr(err)
	}
	return &fi, nil
}

// ReadVersionHandler read metadata of versionID

	if objectAPI == nil {
		return
	}

	storageInfo := objectAPI.StorageInfo(ctx, true)

	// Collect any disk healing.
	healing, _ := getAggregatedBackgroundHealState(ctx, nil)
	healDisks := make(map[string]struct{}, len(healing.HealDisks))
	for _, disk := range healing.HealDisks {
		healDisks[disk] = struct{}{}
	}

	// find all disks which belong to each respective endpoints

		globalCompressConfig = cmpCfg
		globalCompressConfigMu.Unlock()
	case config.HealSubSys:
		healCfg, err := heal.LookupConfig(s[config.HealSubSys][config.Default])
		if err != nil {
			errs = append(errs, fmt.Errorf("Unable to apply heal config: %w", err))
		} else {
			globalHealConfig.Update(healCfg)
		}
	case config.BatchSubSys:
		batchCfg, err := batch.LookupConfig(s[config.BatchSubSys][config.Default])

			}
		}

		if disk.PoolIndex > -1 && disk.SetIndex > -1 {
			if disk.State == madmin.DriveStateOk {
				si := erasureSetUpCount[disk.PoolIndex][disk.SetIndex]
				si.online++
				if disk.Healing {
					si.healing++
					drivesHealing++
				}
				erasureSetUpCount[disk.PoolIndex][disk.SetIndex] = si
			}
		}
	}

	b := z.BackendInfo()
	poolReadQuorums := make([]int, len(b.StandardSCData))

		ptr := globalDeploymentIDPtr.Load()
		if ptr == nil {
			return ""
		}
		return *ptr
	}

	globalAllHealState = newHealState(GlobalContext, true)

	// The always present healing routine ready to heal objects
	globalBackgroundHealRoutine = newHealRoutine()
	globalBackgroundHealState   = newHealState(GlobalContext, false)

	globalMRFState = newMRFState()

	ReplicateIncomingDelete = "replicate:incoming:delete"

	// ReplicateHeal - audit trail for healing of failed/pending replications
	ReplicateHeal = "replicate:heal"
	// ReplicateHealDelete - audit trail of healing of failed/pending delete replications.
	ReplicateHealDelete = "replicate:heal:delete"
)

var (