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

	// 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
	}

	if objectAPI == nil {
		return errSRObjectLayerNotReady
	}
	data := make([]byte, 4, ss.Msgsize()+4)

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

	buf, err := ss.MarshalMsg(data)
	if err != nil {
		return err
	}
	return saveConfig(ctx, objectAPI, getSRResyncFilePath(ss.DeplID), buf)