func (z *CheckPartsHandlerParams) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 4
	// write "id"
	err = en.Append(0x84, 0xa2, 0x69, 0x64)
	if err != nil {
		return
	}
	err = en.WriteString(z.DiskID)
	if err != nil {
		err = msgp.WrapError(err, "DiskID")
		return
	}
	// write "v"
	err = en.Append(0xa1, 0x76)
	if err != nil {
		return
	}
	err = en.WriteString(z.Volume)

			err = msgp.WrapError(err, "Tiers")
			return
		}
		// map header, size 3
		// write "ts"
		err = en.Append(0x83, 0xa2, 0x74, 0x73)
		if err != nil {
			return
		}
		err = en.WriteUint64(za0002.TotalSize)
		if err != nil {
			err = msgp.WrapError(err, "Tiers", za0001, "TotalSize")
			return
		}
		// write "nv"
		err = en.Append(0xa2, 0x6e, 0x76)
		if err != nil {
			return
		}

			Value: float64(st.Total),
		})
		metrics = append(metrics, MetricV2{
			Description: MetricDescription{
				Namespace: minioNamespace,
				Subsystem: "locks",
				Name:      "write_total",
				Help:      "Number of current WRITE locks on this peer",
				Type:      gaugeMetric,
			},
			Value: float64(st.Writes),
		})
		metrics = append(metrics, MetricV2{
			Description: MetricDescription{

		},
	})
	return err
}

// filterReplicationStatusMetadata filters replication status metadata for COPY
func filterReplicationStatusMetadata(metadata map[string]string) map[string]string {
	// Copy on write
	dst := metadata
	var copied bool
	delKey := func(key string) {
		if _, ok := metadata[key]; !ok {
			return
		}
		if !copied {
			dst = make(map[string]string, len(metadata))

	if rs != nil || opts.PartNumber > 0 {
		statusCodeWritten = true
		w.WriteHeader(http.StatusPartialContent)
	}

	// Write object content to response body
	if _, err = xioutil.Copy(httpWriter, gr); err != nil {
		if !httpWriter.HasWritten() && !statusCodeWritten {
			// write error response only if no data or headers has been written to client yet
			writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
			return
		}

	var rules []lifecycle.Rule
	for _, rule := range rMap {
		rules = append(rules, rule)
	}

	// no rules, return
	if len(rules) == 0 {
		return []byte{}, nil
	}

	// get final list for write
	finalLcCfg := lifecycle.Lifecycle{
		XMLName:         xmlName,
		Rules:           rules,
		ExpiryUpdatedAt: &updatedAt,
	}
	if err := finalLcCfg.Validate(); err != nil {
		return []byte{}, err
	}

			bugLogIf(ctx, err)
			writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
			return
		}

		// Write a version for making *incompatible* changes.
		// The AdminClient will reject any version it does not know.
		if publicKey == nil {
			w.Write([]byte{1})
			w.Write(key[:])
		}

		stream, err := sio.AES_256_GCM.Stream(key[:])
		if err != nil {
			bugLogIf(ctx, err)
			return

	// data to be written into buffer.
	data := "1234567890"
	// seed the random number generator once.
	rand.Seed(3)
	// generate a random number between 13 and 200.
	randInt := getRandomRange(13, 200, -1)
	// write into buffer till length of the buffer is greater than the generated random number.
	for i := 0; i <= randInt; i += 10 {
		buffer.WriteString(data)
	}
	// String content which is used for put object range test.

		for k, value := range customHeaders {
			req.Header.Set(k, value)
		}
	}

	checksumData := func(b []byte, h hash.Hash) string {
		h.Reset()
		_, err := h.Write(b)
		if err != nil {
			t.Fatal(err)
		}
		return base64.StdEncoding.EncodeToString(h.Sum(nil))
	}
	// test cases with inputs and expected result for GetObject.
	testCases := []struct {