return 128 * humanize.KiByte
	}
	return sCfg.inlineBlock
}

// CapacityOptimized - returns true if the storage-class is capacity optimized
// meaning we will not use additional parities when drives are offline.
//
// Default is "availability" optimized, unless this is configured.
func (sCfg *Config) CapacityOptimized() bool {
	ConfigLock.RLock()
	defer ConfigLock.RUnlock()
	if !sCfg.initialized {
		return false

		return true
	}
	// More corner cases suitable for storage REST API
	switch {
	// A peer node can be in shut down phase and proactively
	// return 503 server closed error, consider it as an offline node
	case strings.Contains(err.Error(), http.ErrServerClosed.Error()):
		return true
	// Corner case, the server closed the connection with a keep-alive timeout

		Type:      gaugeMetric,
	}
}

func getClusterRepLinkCurrOfflineDurationMD() MetricDescription {
	return MetricDescription{
		Namespace: clusterMetricNamespace,
		Subsystem: replicationSubsystem,
		Name:      linkOfflineDuration,
		Help:      "Duration of replication link being offline in seconds since last offline event",
		Type:      gaugeMetric,
	}
}

}

// mrfState sncapsulates all the information
// related to the global background MRF.
type mrfState struct {
	opCh chan partialOperation
}

// Add a partial S3 operation (put/delete) when one or more disks are offline.
func (m *mrfState) addPartialOp(op partialOperation) {
	if m == nil {
		return
	}

	select {
	case m.opCh <- op:
	default:
	}
}

var healSleeper = newDynamicSleeper(5, time.Second, false)

	if err != nil {
		// return any error generated while reading `format.json`
		return err
	}
	if err == nil && *p.diskID.Load() == storedDiskID {
		return nil
	}
	// not the same disk we remember, take it offline.
	return errDiskNotFound
}

func (p *xlStorageDiskIDCheck) DiskInfo(ctx context.Context, opts DiskInfoOptions) (info DiskInfo, err error) {
	if contextCanceled(ctx) {
		return DiskInfo{}, ctx.Err()
	}

			_, ok := disks[d.Endpoint]
			if !ok {
				continue
			}
		}

		if d.State != madmin.DriveStateOk && d.State != madmin.DriveStateUnformatted {
			metrics[d.Endpoint] = madmin.DiskMetric{NDisks: 1, Offline: 1}
			continue
		}

		var dm madmin.DiskMetric
		dm.NDisks = 1
		if d.Healing {
			dm.Healing++
		}
		if d.Metrics != nil {
			dm.LifeTimeOps = make(map[string]uint64, len(d.Metrics.APICalls))

		state, err := client.Status(ctx)
		if err != nil {
			results = append(results, VerifyResult{Status: "offline", Endpoint: endpoint})
			continue
		}

		// 2. Generate a new key using the KMS.
		kmsCtx, err := kmsContext.MarshalText()
		if err != nil {
			results = append(results, VerifyResult{Status: "offline", Endpoint: endpoint})
			continue
		}

		}, index)
	}

	for index, err := range g.Wait() {
		if err != nil {
			sys.addNodeErr(&reply[index], sys.peerClients[index], err)
		}
	}
	return reply
}

// Construct a list of offline disks information for a given node.
// If offlineHost is empty, do it for the local disks.
func getOfflineDisks(offlineHost string, endpoints EndpointServerPools) []madmin.Disk {
	var offlineDisks []madmin.Disk

package cmd

import (
	"context"
	"net/http"
	"strconv"
	"time"

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/kms"
)

const unavailable = "offline"

// ClusterCheckHandler returns if the server is ready for requests.
func ClusterCheckHandler(w http.ResponseWriter, r *http.Request) {
	ctx := newContext(r, w, "ClusterCheckHandler")

	objLayer := newObjectLayerFn()

	if dobj.VersionID != "" && rinfo.VersionPurgeStatus == Complete {
		return
	}
	if globalBucketTargetSys.isOffline(tgt.EndpointURL()) {
		replLogOnceIf(ctx, fmt.Errorf("remote target is offline for bucket:%s arn:%s", dobj.Bucket, tgt.ARN), "replication-target-offline-delete-"+tgt.ARN)
		sendEvent(eventArgs{
			BucketName: dobj.Bucket,
			Object: ObjectInfo{
				Bucket:       dobj.Bucket,
				Name:         dobj.ObjectName,