}{
		{ // transitioned object version
			xlmeta: xlMetaV2Object{
				VersionID: vID,
				DataDir:   dataDir,
				MetaSys:   transitioned,
			},
			uses: false,
		},
		{ // to be restored (requires object version to be transitioned)
			xlmeta: xlMetaV2Object{
				VersionID: vID,
				DataDir:   dataDir,
				MetaSys:   transitioned,
				MetaUser:  toBeRestored,
			},
			uses: false,
		},

	// Save volume info in pod dir
	dataDir := getVolumeDeviceDataDir(spec.Name(), p.host)

	if err := os.MkdirAll(dataDir, 0750); err != nil {
		return nil, errors.New(log("failed to create data dir %s:  %v", dataDir, err))
	}
	klog.V(4).Info(log("created path successfully [%s]", dataDir))

	blockPath, err := mapper.GetGlobalMapPath(spec)
	if err != nil {

}

// GetDataDir returns an expected dataDir given FileInfo
//   - deleteMarker returns "delete-marker"
//   - returns "legacy" if FileInfo is XLV1 and DataDir is
//     empty, returns DataDir otherwise
//   - returns "dataDir"
func (fi FileInfo) GetDataDir() string {
	if fi.Deleted {
		return "delete-marker"
	}
	if fi.XLV1 && fi.DataDir == "" {
		return "legacy"
	}
	return fi.DataDir
}

			}

			// Start the servers.
			parallel(servers, func(server *EtcdMigrateServer) {
				dataDir, err := OpenOrCreateDataDirectory(server.cfg.dataDirectory)
				if err != nil {
					t.Fatalf("Error opening or creating data directory %s: %v", server.cfg.dataDirectory, err)
				}
				migrator := &Migrator{server.cfg, dataDir, server.client}
				err = migrator.MigrateIfNeeded(start)
				if err != nil {

			continue
		}
		if onlineDisk == OfflineDisk {
			metaErrs[i] = errDiskNotFound
			continue
		}

		meta := partsMetadata[i]
		if !meta.ModTime.Equal(latestMeta.ModTime) || meta.DataDir != latestMeta.DataDir {
			metaErrs[i] = errFileCorrupt
			partsMetadata[i] = FileInfo{}
			continue
		}

		if erasureDistributionReliable {
			if !meta.IsValid() {
				partsMetadata[i] = FileInfo{}

		}
	}
}

func TestFindFileInfoInQuorum(t *testing.T) {
	getNFInfo := func(n int, quorum int, t int64, dataDir string, succModTimes []time.Time, numVersions []int) []FileInfo {
		fi := newFileInfo("test", 8, 8)
		fi.AddObjectPart(1, "etag", 100, 100, UTCNow(), nil, nil)
		fi.ModTime = time.Unix(t, 0)
		fi.DataDir = dataDir
		fis := make([]FileInfo, n)
		for i := range fis {
			fis[i] = fi
			fis[i].Erasure.Index = i + 1

			Image:           images.GetEtcdImage(cfg),
			ImagePullPolicy: v1.PullIfNotPresent,
			// Mount the etcd datadir path read-write so etcd can store data in a more persistent manner
			VolumeMounts: []v1.VolumeMount{
				staticpodutil.NewVolumeMount(etcdVolumeName, cfg.Etcd.Local.DataDir, false),
				staticpodutil.NewVolumeMount(certsVolumeName, cfg.CertificatesDir+"/etcd", false),
			},

		case "VersionID":
			z.VersionID, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "VersionID")
				return
			}
		case "DataDir":
			z.DataDir, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "DataDir")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}

)

func TestGetEtcdPodSpec(t *testing.T) {
	// Creates a ClusterConfiguration
	cfg := &kubeadmapi.ClusterConfiguration{
		KubernetesVersion: "v1.7.0",
		Etcd: kubeadmapi.Etcd{
			Local: &kubeadmapi.LocalEtcd{
				DataDir: "/var/lib/etcd",
				ExtraEnvs: []kubeadmapi.EnvVar{
					{
						EnvVar: v1.EnvVar{Name: "Foo", Value: "Bar"},
					},
				},
			},
		},
	}
	endpoint := &kubeadmapi.APIEndpoint{}

func reduceCommonDataDir(dataDirs []string, writeQuorum int) (dataDir string) {
	dataDirsCount := make(map[string]int)
	for _, ddir := range dataDirs {
		dataDirsCount[ddir]++
	}

	max := 0
	for ddir, count := range dataDirsCount {
		if max < count {
			max = count
			dataDir = ddir
		}
	}

	if max >= writeQuorum {
		return dataDir
	}

	return ""
}