On 07/21/2014 04:10 PM, Nachi Ueno wrote: > Hi nova folks > > QQ: Who uses migrate_instance_start/finish, and why we need this rpc call? > > I greped code but I couldn't find implementation for it. > > https://github.com/openstack/nova/blob/372c54927ab4f6c226f5a1a2aead40b89617cf77/nova/network/manager.py#L1683 Agree that it appears to be a no-op and could probably be dropped (with proper rpc backwards compat handling). The manger side can't be removed until the next major rev of the API. -- Russell Bryant