}
	// Read resync meta header
	switch binary.LittleEndian.Uint16(data[0:2]) {
	case resyncMetaFormat:
	default:
		return brs, fmt.Errorf("resyncMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case resyncMetaVersion:
	default:
		return brs, fmt.Errorf("resyncMeta: unknown version: %d", binary.LittleEndian.Uint16(data[2:4]))
	}

	}
	// Read resync meta header
	switch binary.LittleEndian.Uint16(data[0:2]) {
	case siteResyncMetaFormat:
	default:
		return rs, fmt.Errorf("resyncMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case siteResyncMetaVersion:
	default:
		return rs, fmt.Errorf("resyncMeta: unknown version: %d", binary.LittleEndian.Uint16(data[2:4]))
	}

	}
	// Read header
	switch binary.LittleEndian.Uint16(data[0:2]) {
	case poolMetaFormat:
	default:
		return fmt.Errorf("poolMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case poolMetaVersion:
	default:
		return fmt.Errorf("poolMeta: unknown version: %d", binary.LittleEndian.Uint16(data[2:4]))
	}

	// OK, parse data.

	if err != nil {
		return nil, err
	}

	log.Debugf("found iptables binary: %+v", iptVer)

	configurator.iptV = iptVer

	ipt6Ver, err := ext.DetectIptablesVersion(true)
	if err != nil {
		return nil, err
	}

	log.Debugf("found iptables v6 binary: %+v", iptVer)

	configurator.ipt6V = ipt6Ver

	return configurator, nil
}

	}
	// Read header
	switch binary.LittleEndian.Uint16(data[0:2]) {
	case format:
	default:
		return fmt.Errorf("%s: unknown format: %d", ri.JobType, binary.LittleEndian.Uint16(data[0:2]))
	}
	switch binary.LittleEndian.Uint16(data[2:4]) {
	case version:
	default:
		return fmt.Errorf("%s: unknown version: %d", ri.JobType, binary.LittleEndian.Uint16(data[2:4]))
	}

	ri.mu.Lock()

	// Load current bloom cycle
	var cycleInfo currentScannerCycle

	buf, _ := readConfig(ctx, objAPI, dataUsageBloomNamePath)
	if len(buf) == 8 {
		cycleInfo.next = binary.LittleEndian.Uint64(buf)
	} else if len(buf) > 8 {
		cycleInfo.next = binary.LittleEndian.Uint64(buf[:8])
		buf = buf[8:]
		_, err := cycleInfo.UnmarshalMsg(buf)
		bugLogIf(ctx, err)
	}

	scannerTimer := time.NewTimer(scannerCycle.Load())

	if cardinality <= 0 {
		return -1
	}
	// use the faster version as per siphash docs
	// https://github.com/dchest/siphash#usage
	k0, k1 := binary.LittleEndian.Uint64(id[0:8]), binary.LittleEndian.Uint64(id[8:16])
	sum64 := siphash.Hash(k0, k1, []byte(key))
	return int(sum64 % uint64(cardinality))
}

func crcHashMod(key string, cardinality int) int {
	if cardinality <= 0 {