err = dc.ReadNil()
				if err != nil {
					err = msgp.WrapError(err, "ObjectV2")
					return
				}
				z.ObjectV2 = nil
			} else {
				if z.ObjectV2 == nil {
					z.ObjectV2 = new(xlMetaV2Object)
				}
				err = z.ObjectV2.DecodeMsg(dc)
				if err != nil {
					err = msgp.WrapError(err, "ObjectV2")
					return
				}
			}
			zb0001Mask |= 0x2
		case "DelObj":

	if v > xlMetaVersion {
		return bts, fmt.Errorf("unknown xlMetaVersion: %d", v)
	}

	// Clear omitempty fields:
	if j.ObjectV2 != nil && len(j.ObjectV2.PartIndices) > 0 {
		j.ObjectV2.PartIndices = j.ObjectV2.PartIndices[:0]
	}
	o, err = j.UnmarshalMsg(bts)

	// Fix inconsistent x-minio-internal-replication-timestamp by converting to UTC.
	// Fixed in version 2 or later

		for i := range fi.Parts {
			ventry.ObjectV2.PartSizes[i] = fi.Parts[i].Size
			if len(ventry.ObjectV2.PartETags) > 0 && fi.Parts[i].ETag != "" {
				ventry.ObjectV2.PartETags[i] = fi.Parts[i].ETag
			}
			ventry.ObjectV2.PartNumbers[i] = fi.Parts[i].Number
			ventry.ObjectV2.PartActualSizes[i] = fi.Parts[i].ActualSize
			if len(ventry.ObjectV2.PartIndices) > 0 {
				ventry.ObjectV2.PartIndices[i] = fi.Parts[i].Index
			}

		// if uv has tiered content we add a
		// free-version to track it for asynchronous
		// deletion via scanner.
		ver, err := x.getIdx(i)
		if err != nil {
			return err
		}

		if freeVersion, toFree := ver.ObjectV2.InitFreeVersion(fi); toFree {
			return x.addVersion(freeVersion)
		}
		return nil
	}
	return nil

		_, version, err := xl.findVersion(uuid.MustParse(tc.versionID))
		failOnErr(i+1, err)
		if got := xl.SharedDataDirCount(version.getVersionID(), version.ObjectV2.DataDir); got != tc.shares {
			t.Fatalf("Test %d: For %#v, expected sharers of data directory %d got %d", i+1, version.ObjectV2.VersionID, tc.shares, got)
		}
	}

     *            オブジェクト(<code>null</code>可)
     * @param object2
     *            オブジェクト(<code>null</code>可)
     * @return 引数の2つのオブジェクトが等しい場合は<code>true</code>を返します。
     */
    public static boolean equals(final Object object1, final Object object2) {
        if (object1 == object2) {
            return true;
        }
        if (object1 == null || object2 == null) {
            return false;
        }

		// but other sibling object in the same directory still exists
		{
			"bucket3",
			[]objectUpload{{"dir/object1", "content"}, {"dir/object2", "content"}},
			"dir/object1",
			[]string{"dir/object2"},
		},
		// Test 4: remove a non empty directory and checks it has no effect
		{
			"bucket4",
			[]objectUpload{{"object0", "content"}, {"dir/object1", "content"}},
			"dir/",

	parts1SC := globalStorageClass

	// Object for test case 2 - No StorageClass defined, MetaData in PutObject requesting RRS Class
	object2 := "object2"
	metadata2 := make(map[string]string)
	metadata2["x-amz-storage-class"] = storageclass.RRS
	_, err = obj.PutObject(ctx, bucket, object2, mustGetPutObjReader(t, bytes.NewReader(data), int64(len(data)), "", ""), ObjectOptions{UserDefined: metadata2})
	if err != nil {

	}

	type Object1 struct{}
	type Object2 struct {
		Field1 string
	}
	type Object3 struct {
		Field2 string
	}
	db.Migrator().DropTable("objects")

	err = db.Table("objects").AutoMigrate(&Object1{})
	if err != nil {
		t.Errorf("AutoMigrate err:%v", err)
	}

	err = db.Table("objects").AutoMigrate(&Object2{})
	if err != nil {
		t.Errorf("AutoMigrate err:%v", err)

			}
			writers := make([]io.Writer, len(disks))
			for i, disk := range disks {
				if disk == nil {
					continue
				}
				writers[i] = newBitrotWriter(disk, "", "testbucket", "object2", erasure.ShardFileSize(int64(len(data[test.offset:]))), test.algorithm, erasure.ShardSize())
			}
			for j := range disks[:test.offDisks] {
				switch w := writers[j].(type) {
				case *wholeBitrotWriter: