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()
	}

		}, 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

	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,

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 (isProjectSettings) {
            settings = Settings.newBuilder(settings, true)
                    .localRepository(null)
                    .interactiveMode(false)
                    .offline(false)
                    .proxies(List.of())
                    .usePluginRegistry(false)
                    .servers(settings.getServers().stream()
                            .map(s -> Server.newBuilder(s, true)

          "exemplar": false,
          "expr": "max(minio_node_drive_offline_total{job=~\"$scrape_jobs\",server=\"$server\"})",
          "format": "time_series",
          "hide": false,
          "instant": true,
          "legendFormat": ".",
          "range": false,
          "refId": "B"
        }
      ],
      "title": "Total Online/Offline Drives",
      "type": "gauge"
    },
    {
      "datasource": {

MINIO_NOTIFY_AMQP_COMMENT        (sentence)  optionally add a comment to this setting
```

	formatErasureVersionV3DistributionAlgoV2 = "SIPMOD"

	// Distributed algorithm used, with EC:4 default parity
	formatErasureVersionV3DistributionAlgoV3 = "SIPMOD+PARITY"
)

// Offline disk UUID represents an offline disk.
const offlineDiskUUID = "ffffffff-ffff-ffff-ffff-ffffffffffff"

// Used to detect the version of "xl" format.
type formatErasureVersionDetect struct {
	Erasure struct {

          },
          "exemplar": true,
          "expr": "sum by (server,endpoint) (minio_cluster_replication_link_offline_duration_seconds{job=\"$scrape_jobs\"})",
          "interval": "1m",
          "legendFormat": "{{server,endpoint}}",
          "refId": "A"
        }
      ],
      "title": "Link Offline Duration (sec)",
      "type": "timeseries"
    },
    {
      "datasource": {

	if storageInfo.Backend.Type == madmin.Erasure {
		if offlineDisks.Sum() > 0 {
			mcMessage = "Use `mc admin info` to look for latest server/drive info\n"
		}

		diskInfo := fmt.Sprintf(" %d Online, %d Offline. ", onlineDisks.Sum(), offlineDisks.Sum())
		msg += color.Blue("Status:") + fmt.Sprintf(getFormatStr(len(diskInfo), 8), diskInfo)
		if len(mcMessage) > 0 {
			msg = fmt.Sprintf("%s %s", mcMessage, msg)
		}
	}