============================= Nova Datasource Configuration ============================= By default, Nova datasource listens to Nova versioned notifications. If you are using Nova legacy notifications, then it should be indicated in Vitrage configuration as well. That is, if you have in ``/etc/nova/nova.conf`` or in ``/etc/nova/nova-cpu.conf``: .. code:: bash notification_format = unversioned Then you should set in ``/etc/vitrage/vitrage.conf``: .. code:: bash [DEFAULT] use_nova_versioned_notifications = False In other cases there is no need to set this option.