// Initialize the header.
	binary.LittleEndian.PutUint16(data[0:2], tierConfigFormat)
	binary.LittleEndian.PutUint16(data[2:4], tierConfigVersion)

	// Marshal the tier config
	return config.MarshalMsg(data)
}

// getDriver returns a warmBackend interface object initialized with remote tier config matching tierName
func (config *TierConfigMgr) getDriver(ctx context.Context, tierName string) (d WarmBackend, err error) {

			if ep, ok := api.(*erasureServerPools); ok {
				h.PoolIndex, h.SetIndex, h.DiskIndex, _ = ep.getPoolAndSet(h.ID)
			}
		}
	}
	h.LastUpdate = time.Now().UTC()
	htrackerBytes, err := h.MarshalMsg(nil)
	h.mu.Unlock()
	if err != nil {
		return err
	}
	globalBackgroundHealState.updateHealStatus(h)
	return h.disk.WriteAll(ctx, minioMetaBucket,
		pathJoin(bucketMetaPrefix, healingTrackerFilename),

	msg.Seq = m.SendSeq
	msg.MuxID = m.MuxID
	msg.Flags |= m.BaseFlags
	if debugPrint {
		fmt.Println("Client sending", &msg, "to", m.parent.Remote)
	}
	m.SendSeq++

	dst, err := msg.MarshalMsg(dst)
	if err != nil {
		return err
	}
	if msg.Flags&FlagSubroute != 0 {
		if m.subroute == nil {
			return fmt.Errorf("internal error: subroute not defined on client")
		}

	dErrsResp := &DeleteVersionsErrsResp{Errs: make([]string, totalVersions)}
	for idx := range versions {
		if errs[idx] != nil {
			dErrsResp.Errs[idx] = errs[idx].Error()
		}
	}

	buf, _ := dErrsResp.MarshalMsg(nil)
	w.Write(buf)
}

// RenameDataHandler - renames a meta object and data dir to destination.
func (s *storageRESTServer) RenameDataHandler(p *RenameDataHandlerParams) (*RenameDataResp, *grid.RemoteErr) {

		data := make([]byte, 4, ri.Msgsize()+4)

		// Initialize the header.
		binary.LittleEndian.PutUint16(data[0:2], format)
		binary.LittleEndian.PutUint16(data[2:4], version)

		buf, err := ri.MarshalMsg(data)
		ri.mu.Unlock()
		if err != nil {
			return err
		}
		path, err := ri.getJobReportPath()
		if err != nil {
			batchLogIf(ctx, err)
			return err
		}

	}

	data := make([]byte, 4, r.Msgsize()+4)

	// Initialize the header.
	binary.LittleEndian.PutUint16(data[0:2], rebalMetaFmt)
	binary.LittleEndian.PutUint16(data[2:4], rebalMetaVer)

	buf, err := r.MarshalMsg(data)
	if err != nil {
		return err
	}

	return saveConfigWithOpts(ctx, store, rebalMetaName, buf, opts)
}

func (r *rebalanceMeta) save(ctx context.Context, store objectIO) error {

	}
	data := make([]byte, 4, p.Msgsize()+4)

	// Initialize the header.
	binary.LittleEndian.PutUint16(data[0:2], poolMetaFormat)
	binary.LittleEndian.PutUint16(data[2:4], poolMetaVersion)

	buf, err := p.MarshalMsg(data)
	if err != nil {
		return err
	}

	// Saves on all pools to make sure decommissioning of first pool is allowed.
	for i, eset := range pools {

				}
				globalScannerMetrics.setCycle(&cycleInfo)
				tmp := make([]byte, 8, 8+cycleInfo.Msgsize())
				// Cycle for backward compat.
				binary.LittleEndian.PutUint64(tmp, cycleInfo.next)
				tmp, _ = cycleInfo.MarshalMsg(tmp)
				err = saveConfig(ctx, objAPI, dataUsageBloomNamePath, tmp)
				if err != nil {
					scannerLogIf(ctx, fmt.Errorf("%w, Object %s", err, dataUsageBloomNamePath))
				}
			}
		}
	}
}

		Number:     partID,
		ETag:       md5hex,
		Size:       n,
		ActualSize: actualSize,
		ModTime:    UTCNow(),
		Index:      index,
		Checksums:  r.ContentCRC(),
	}

	partFI, err := partInfo.MarshalMsg(nil)
	if err != nil {
		return pi, toObjectErr(err, minioMetaMultipartBucket, partPath)
	}

	// Serialize concurrent part uploads.

	// Initialize the resync meta header.
	binary.LittleEndian.PutUint16(data[0:2], resyncMetaFormat)
	binary.LittleEndian.PutUint16(data[2:4], resyncMetaVersion)

	buf, err := brs.MarshalMsg(data)
	if err != nil {
		return err
	}

	configFile := path.Join(bucketMetaPrefix, bucket, replicationDir, resyncFileName)
	return saveConfig(ctx, objectAPI, configFile, buf)
}