public static String generateNativeGuid(StorageSystem device){
  return String.format("%s+%s",_deviceTypeMap.get(device.getSystemType()),device.getSerialNumber());
}

public static String generateNativeGuid ( StorageSystem device ) { return String . format ( "%s+%s" , _deviceTypeMap . get ( device . getSystemType ( ) ) , device . getSerialNumber ( ) ) ; }
the format of this native guid is storagesystem + serialnumber
