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{

	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
		}

	c.Assert(putMD5, getMD5)
}

// TestGetPartialObjectMisAligned - tests get object partially miss-aligned.
// create a large buffer of miss-aligned data and upload it.
// then make partial range requests to while fetching it back and assert the response content.
func (s *TestSuiteCommon) TestGetPartialObjectMisAligned(c *check) {
	// generate a random bucket name.
	bucketName := getRandomBucketName()

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)

	}
	tgtArns := cfg.FilterTargetArns(opts)
	for _, tgtArn := range tgtArns {
		tgt := globalBucketTargetSys.GetRemoteTargetClient(bucket, tgtArn)
		// the target online status should not be used here while deciding
		// whether to replicate as the target could be temporarily down
		opts.TargetArn = tgtArn
		replicate := cfg.Replicate(opts)
		var synchronous bool
		if tgt != nil {
			synchronous = tgt.replicateSync

		}
	}

	// leave some gaps in priority numbers for flexibility
	return maxPrio + 10
}

// returns a slice with site names participating in site replciation but unspecified while adding
// a new site.
func getMissingSiteNames(oldDeps, newDeps set.StringSet, currSites []madmin.PeerInfo) []string {
	diff := oldDeps.Difference(newDeps)
	var diffSlc []string
	for _, v := range currSites {

			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

		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 {