Synnefo » snf-ganeti

def BlockdevSetInfo(disk, info):

  """Sets 'metadata' information on block devices.

  This function sets 'info' metadata on block devices. Initial

  information is set at device creation; this function should be used

  for example after renames.

  @type disk: L{objects.Disk}

  @param disk: the disk to be grown

  @type info: string

  @param info: new 'info' metadata

  @rtype: (status, result)

  @return: a tuple with the status of the operation (True/False), and

      the errors message if status is False

  """

  r_dev = _RecursiveFindBD(disk)

  if r_dev is None:

    _Fail("Cannot find block device %s", disk)

  try:

    r_dev.SetInfo(info)

  except errors.BlockDeviceError, err:

    _Fail("Failed to set information on block device: %s", err, exc=True)