return nil, errServerNotInitialized
	}

	select {
	case <-sys.configLoaded:
		var userPredicate, groupPredicate func(string) bool
		if sys.LDAPConfig.Enabled() {
			userPredicate = func(s string) bool {
				return !sys.LDAPConfig.IsLDAPUserDN(s)
			}
			groupPredicate = func(s string) bool {
				return !sys.LDAPConfig.IsLDAPGroupDN(s)
			}
		}
		pe := sys.store.ListPolicyMappings(q, userPredicate, groupPredicate)

		case "StopDiskAtLimit":
			z.StopDiskAtLimit, err = dc.ReadBool()
			if err != nil {
				err = msgp.WrapError(err, "StopDiskAtLimit")
				return
			}
		case "pool":
			z.pool, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "pool")
				return
			}
		case "set":
			z.set, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "set")
				return
			}
		default:

		}
		return
	}

	weSleep := func() bool { return false }

	got, err := scanDataFolder(context.Background(), nil, base, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, getSize, 0, weSleep)
	if err != nil {
		t.Fatal(err)
	}

	// Test dirs
	want := []struct {
		path       string
		isNil      bool
		size, objs int
		flatten    bool
		oSizes     sizeHistogram
	}{
		{
			path:    "/",

func (d *naughtyDisk) String() string {
	return d.disk.String()
}

func (d *naughtyDisk) IsOnline() bool {
	if err := d.calcError(); err != nil {
		return err == errDiskNotFound
	}
	return d.disk.IsOnline()
}

func (d *naughtyDisk) LastConn() time.Time {
	return d.disk.LastConn()
}

func (d *naughtyDisk) IsLocal() bool {
	return d.disk.IsLocal()
}

func (d *naughtyDisk) Endpoint() Endpoint {

type NATSArgs struct {
	Enable          bool      `json:"enable"`
	Address         xnet.Host `json:"address"`
	Subject         string    `json:"subject"`
	Username        string    `json:"username"`
	UserCredentials string    `json:"userCredentials"`
	Password        string    `json:"password"`
	Token           string    `json:"token"`
	TLS             bool      `json:"tls"`
	TLSSkipVerify   bool      `json:"tlsSkipVerify"`

          "expr": "minio_cluster_health_status{job=~\"$scrape_jobs\"}",
          "fullMetaSearch": false,
          "includeNullMetadata": true,
          "interval": "",
          "legendFormat": "Pool: {{pool}} Set: {{set}}",
          "range": true,
          "refId": "A",
          "useBackend": false
        }
      ],
      "title": "Cluster Health Status",
      "type": "stat"
    },
    {

	// EncryptionConfiguration TODO: not needed for MinIO
}

func (d Destination) isValidStorageClass() bool {
	if d.StorageClass == "" {
		return true
	}
	return d.StorageClass == "STANDARD" || d.StorageClass == "REDUCED_REDUNDANCY"
}

// IsValid - checks whether Destination is valid or not.
func (d Destination) IsValid() bool {
	return d.Bucket != "" || !d.isValidStorageClass()
}

func (d Destination) String() string {

func isErrWriteQuorum(err error) bool {
	var rquorum InsufficientWriteQuorum
	return errors.As(err, &rquorum)
}

// isErrObjectNotFound - Check if error type is ObjectNotFound.
func isErrObjectNotFound(err error) bool {
	var objNotFound ObjectNotFound
	return errors.As(err, &objNotFound)
}

// isErrVersionNotFound - Check if error type is VersionNotFound.
func isErrVersionNotFound(err error) bool {

	return p.storage.String()
}

func (p *xlStorageDiskIDCheck) IsOnline() bool {
	storedDiskID, err := p.storage.GetDiskID()
	if err != nil {
		return false
	}
	return storedDiskID == *p.diskID.Load()
}

func (p *xlStorageDiskIDCheck) LastConn() time.Time {
	return p.storage.LastConn()
}

func (p *xlStorageDiskIDCheck) IsLocal() bool {
	return p.storage.IsLocal()
}

		URL:    &url.URL{Path: grid.RoutePath},
	}
	if !guessIsRPCReq(r) {
		t.Fatal("Grid RPC path not detected")
	}
}

var isHTTPHeaderSizeTooLargeTests = []struct {
	header     http.Header
	shouldFail bool
}{
	{header: generateHeader(0, 0), shouldFail: false},
	{header: generateHeader(1024, 0), shouldFail: false},
	{header: generateHeader(2048, 0), shouldFail: false},
	{header: generateHeader(8*1024+1, 0), shouldFail: true},