"hide": false,
          "instant": true,
          "legendFormat": ".",
          "range": false,
          "refId": "B"
        }
      ],
      "title": "Total Online/Offline Drives",
      "type": "gauge"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {

	}

	// count the number of offline disks
	offline := 0
	for i := 0; i < len(errs); i++ {
		var found bool
		switch {
		case errors.Is(errs[i], errDiskNotFound):
			found = true
		default:
			for p := range dataErrsByPart {
				if dataErrsByPart[p][i] == checkPartDiskNotFound {
					found = true
					break
				}
			}
		}
		if found {
			offline++
		}
	}
	if offline > 0 {

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

          "interval": "1m",
          "legendFormat": "{{endpoint}}",
          "refId": "A"
        }
      ],
      "title": "Link Online/Offline",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {

				SetID:         setIdx,
				PoolID:        poolIdx,
				Healthy:       erasureSetUpCount[poolIdx][setIdx].online >= poolWriteQuorums[poolIdx],
				HealthyRead:   erasureSetUpCount[poolIdx][setIdx].online >= poolReadQuorums[poolIdx],
				HealthyDrives: erasureSetUpCount[poolIdx][setIdx].online,
				HealingDrives: erasureSetUpCount[poolIdx][setIdx].healing,
				ReadQuorum:    poolReadQuorums[poolIdx],

	}
	obj, _, err := initObjectLayer(ctx, mustGetPoolEndpoints(0, fsDirs...))
	if err != nil {
		removeRoots(fsDirs)
		return nil, nil, err
	}

	// Wait up to 10 seconds for disks to come online.
	pools := obj.(*erasureServerPools)
	t := time.Now()
	for _, pool := range pools.serverPools {
		for _, sets := range pool.erasureDisks {
			for _, s := range sets {
				if !s.IsLocal() {
					for {

func TestListObjectPartsDiskNotFound(t *testing.T) {
	ExecObjectLayerDiskAlteredTest(t, testListObjectPartsDiskNotFound)
}

// testListObjectParts - Tests validate listing of object parts when disks go offline.
func testListObjectPartsDiskNotFound(obj ObjectLayer, instanceType string, disks []string, t *testing.T) {
	bucketNames := []string{"minio-bucket", "minio-2-bucket"}
	objectNames := []string{"minio-object-1.txt"}

        disableOnPresentOption(commandLine, CLIManager.NON_RECURSIVE, request::setRecursive);
        enableOnPresentOption(commandLine, CLIManager.OFFLINE, request::setOffline);
        enableOnPresentOption(commandLine, CLIManager.UPDATE_SNAPSHOTS, request::setUpdateSnapshots);
        request.setGlobalChecksumPolicy(determineGlobalCheckPolicy(commandLine));