[Openstack][nova] server groups

Ignazio Cassano ignaziocassano at gmail.com
Wed Apr 6 04:34:12 UTC 2022

Thanks Laurent. Sometimes the trick works and instances can migrate. We do
not understand what is wrong when instances fail to migrate.
We are usung soft-anti-affinity policy.
The spec field we inserted in both cases seeems the same.

Il Mer 6 Apr 2022, 01:03 Laurent Dumont <laurentfdumont at gmail.com> ha

> I'm trying to find where else this was discussed, but afaik, this was
> never supported.
> I am not sure if someone was able to "hack" it's way to a working setup.
> It's a bit of a shame because it makes server-groups really not flexible :(
> On Tue, Apr 5, 2022 at 3:04 PM Ignazio Cassano <ignaziocassano at gmail.com>
> wrote:
>> Hello, we noted that instances can be inserted in server groups only at
>> instance creation step but we need to insert in a server group some old
>> instances.
>> We tried to modify database nova_api server group tables but we noted
>> that we must modify spec in  request_specs table . For us is not clear how
>> to modify the spec value.
>> We tried to investigate looking at instances inserted in a server group
>> at creation step and we got issues in instance live migration.
>> Please, anyone could provide any utility to do it or any template ?
>> Thanks
>> Ignazio
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