'Format id and name consistency group.
:param group: the generic volume group object
:returns: group_name -- formatted name + id'

def update_volume_group_name(self, group):

    group_name = ''
    if (group.name is not None):
        group_name = (self.truncate_string(group.name, TRUNCATE_27) + '_')
    group_name += group.id
    return group_name
