On Mon, 2014-03-10 at 10:05 +0800, ChangBo Guo wrote: > > > > 2014-03-10 4:47 GMT+08:00 Jay Pipes <jaypi...@gmail.com>: > > > > 3. This would make the instances and shadow_instances tables > have > > different schemas, i.e. instances.uuid would be > nullable=False in > > instances but nullable=True in shadow_instances. Maybe this > doesn't matter. > > > No, I don't think this matters much, to be honest. I'm not > entirely sure > what the long-term purpose of the shadow tables are in Nova -- > perhaps > someone could clue me in to whether the plan is to keep them > around? > > > As I know the tables shadow_* are used by command ' nova-manage db > archive_deleted_rows' , which moves records with "deleted=True" to > table shadow_* . That means these tables are used by other process, > So, I think we need other tables to store the old records in your > migration.
Yeah, that's what I understood the shadow tables were used for, I just didn't know what the long-term future of these tables was... curious if there's been any discussion about that. Best, -jay _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev