Open Stack

Hi Jonathan,

You could try to run virsh  list --all on the node and check if there are
deleted instances defined.

Had the same error message during grizzly update and running virsh undefine
the deleted instances solved the issue.

Devendran



On Thu, Aug 8, 2013 at 2:36 AM, Jonathan Proulx <jon at jonproulx.com> wrote:

> Hi All,
>
> I'm almost through my grizzly upgrade.  I'd upgraded everything except
> nova-compute before upgrading that (ubuntu 12.04 cloud archieve pkgs).
>
> On most nodes the nova-compute service upgraded and restarted properly,
> but on some it imediately exits with:
>
> CRITICAL nova [-] 'instance_type_memory_mb'
>
> It would seem like this is https://code.launchpad.net/bugs/1161022 but
> the fix for that was released in March and I've verified is in the packaged
> version I'm using.
>
> The referenced bug involves the DB migration only updating non-deleted
> instances in the instance-system-metatata table and the patch skips the
> lookups that are broken (and irrelevant) for deleted instances.
>
> Tracing the DB calls from the host shows it is trying to do lookups for
> instances that were deleted last October, which is a bit surprising as it's
> run thousands of instances since & it's not looking those up.
>
> It is note worthy that that is around the time I upgraded from Essex ->
> Folsom so it's possible their state  is weirder than most having run
> through that update.
>
> There were directories for the instances in question in
> /var/lib/nova/instances, so I thought "Aha!" and moved them, but on restart
> I still get the same failure and same DB query for the old instances. Where
> is nova getting the idea it should look these up & how can I stop it?
>
> Suggestions for other solutions welcome as well.
>
> Thanks,
> -Jon
>
>
>
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