@ConfigSync()
  def SetDiagnoseDataCollectorFilename(self, fn):
    self._ConfigData().cluster.diagnose_data_collector_filename = fn
    self._ConfigData().cluster.serial_no += 1
Set the volume group name.
dataset/ETHPy150Open ganeti/ganeti/lib/config/__init__.py/ConfigWriter.SetDiagnoseDataCollectorFilename