def send_error(self, err_str):
        self._errq.put(err_str.replace('\n', ''), True, 5)
Calculates the size of all the disks of the instance used in this LU.
dataset/ETHPy150Open UniversalDevicesInc/Polyglot/polyglot/nodeserver_api.py/PolyglotConnector.send_error--crossover with--dataset/ETHPy150Open ganeti/ganeti/lib/cmdlib/backup.py/LUBackupExport._InstanceDiskSizeSum