I think that particular scenario in the Ops Guide could be considered a bit outdated, but the subject in general is still relevant.
I've found that in each release of OpenStack, the various OpenStack components are better able to reclaim / resolve orphaned resources, such as the floating IP scenario described. In fact, I haven't had a need to manually update the databases for anything for at least the past three releases. But situations still exist. I think the big one at the moment is the issue of quota skewing. There's a good discussion on the openstack-operators list about a possible solution: http://lists.openstack.org/pipermail/openstack-operators/2015-March/006517.html On Tue, Mar 17, 2015 at 3:36 PM, Arun Adiththan <arunaditht...@gmail.com> wrote: > OpenStack Operations Guide talks about some of the potential data > inconsistency errors in openstack databases. > > "... an instance was terminated, but the status was not updated in the > database" [1] > > "Sometimes an instance is terminated but the floating IP was not correctly > de-associated from that instance. Because the database is in an > inconsistent state, the usual tools to dissaociate the IP no longer work. > To fix this, you must manually update the database." [2] > > I'm wondering whether manually inspecting the database is the only way to > identify such data inconsistency errors. If so, I think it could be a > tedious process since we have a large number of tables in each openstack > component database and may not clearly know which ones should be queried to > detect the potential inconsistencies. > > [1] http://docs.openstack.org/openstack-ops/content/maintenance.html > > [2] > http://docs.openstack.org/openstack-ops/content/network_troubleshooting.html > --- > Regards, > Arun Adiththan > > > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > >
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