if fi.TransitionTier != "" {
		objInfo.StorageClass = fi.TransitionTier
	} else if sc, ok := fi.Metadata[xhttp.AmzStorageClass]; ok {
		objInfo.StorageClass = sc
	} else {
		objInfo.StorageClass = globalMinioDefaultStorageClass
	}

	// set restore status for transitioned object
	restoreHdr, ok := fi.Metadata[xhttp.AmzRestore]
	if ok {
		if restoreStatus, err := parseRestoreObjStatus(restoreHdr); err == nil {

	if err != nil {
		if _, ok := err.(BackendDown); ok {
			return err
		}
		return tierPermErr{
			Op:  tierPut,
			Err: err,
		}
	}

	r, err := w.Get(ctx, probeObject, "", WarmBackendGetOpts{})
	xhttp.DrainBody(r)
	if err != nil {
		if _, ok := err.(BackendDown); ok {
			return err
		}
		switch {
		case isErrBucketNotFound(err):

	}
	if disp, ok := lkMap.Lookup(xhttp.ContentDisposition); ok {
		putOpts.ContentDisposition = disp
	}
	if cc, ok := lkMap.Lookup(xhttp.CacheControl); ok {
		putOpts.CacheControl = cc
	}
	if mode, ok := lkMap.Lookup(xhttp.AmzObjectLockMode); ok {
		rmode := minio.RetentionMode(mode)
		putOpts.Mode = rmode
	}
	if retainDateStr, ok := lkMap.Lookup(xhttp.AmzObjectLockRetainUntilDate); ok {

		if collPath.isDescendantOf(path) {
			if v, ok := h.metricsData.mgMap[collPath]; ok {
				matchingMG[collPath] = v
			} else {
				matchingMG[collPath] = h.metricsData.bucketMGMap[collPath]
			}
		}
	}

	if len(matchingMG) == 0 {
		return nil
	}

	var metrics []metricDisplay
	for _, collectorPath := range h.metricsData.collectorPaths {
		if mg, ok := matchingMG[collectorPath]; ok {

	}
	// Single calls do not support pinging.
	if v, ok := c.inStream.Load(m.MuxID); ok {
		pong := v.ping(m.Seq)
		gridLogIf(ctx, c.queueMsg(m, &pong))
	} else {
		pong := pongMsg{NotFound: true}
		gridLogIf(ctx, c.queueMsg(m, &pong))
	}
	return
}

func (c *Connection) handleDisconnectClientMux(m message) {
	if v, ok := c.outgoing.Load(m.MuxID); ok {
		if m.Flags&FlagPayloadIsErr != 0 {

		t.Fatal(err)
	}
	_, err = writer.Write([]byte("aaaaaaaaaa"))
	if err != nil {
		t.Fatal(err)
	}
	_, err = writer.Write([]byte("aaaaa"))
	if err != nil {
		t.Fatal(err)
	}
	if bw, ok := writer.(io.Closer); ok {
		bw.Close()
	}

	reader := newBitrotReader(disk, nil, volume, filePath, 35, bitrotAlgo, bitrotWriterSum(writer), 10)
	b := make([]byte, 10)
	if _, err = reader.ReadAt(b, 0); err != nil {
		t.Fatal(err)

		err = extractMetadataFromMime(ctx, hdr, metadata)
		if err != nil {
			return nil, err
		}
	}

	// Set content-type to default value if it is not set.
	if _, ok := metadata[strings.ToLower(xhttp.ContentType)]; !ok {
		metadata[strings.ToLower(xhttp.ContentType)] = "binary/octet-stream"
	}

	// https://github.com/google/security-research/security/advisories/GHSA-76wf-9vgp-pj7w
	for k := range metadata {

		for b := range allBuckets {
			if _, ok := bucketStats[b]; !ok {
				bucketStats[b] = make([]srBucketMetaInfo, numSites)
			}
			si, ok := sri.Buckets[b]
			if !ok {
				si = madmin.SRBucketInfo{Bucket: b}
			}
			bucketStats[b][i] = srBucketMetaInfo{SRBucketInfo: si, DeploymentID: sri.DeploymentID}
		}

		for pname := range allPolicies {
			if _, ok := policyStats[pname]; !ok {

	}
	defer removeRoots(disks)

	obj, err := newObjectLayer(ctx, mustGetPoolEndpoints(0, disks...))
	if err != nil {
		t.Fatal("Unexpected object layer initialization error", err)
	}

	_, ok := obj.(*erasureServerPools)
	if !ok {
		t.Fatal("Unexpected object layer detected", reflect.TypeOf(obj))
	}

	// Tests for Erasure object layer initialization.

	// Create temporary backend for the test server.
	nDisks = 16

	cpuResourceMetrics, found := resourceMetricsMap[cpuSubsystem]
	if found {
		if cpuIdleMetric, ok := cpuResourceMetrics[getResourceKey(cpuIdle, nil)]; ok {
			avgVal := math.Round(cpuIdleMetric.Avg*100) / 100
			m.Set(sysCPUAvgIdle, avgVal)
		}
		if cpuIOWaitMetric, ok := cpuResourceMetrics[getResourceKey(cpuIOWait, nil)]; ok {
			avgVal := math.Round(cpuIOWaitMetric.Avg*100) / 100
			m.Set(sysCPUAvgIOWait, avgVal)
		}
	}