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I cannot easily reproduce, but what does Nova complain about with the live
migration? Any chance you can run it with DEBUG?

On Wed, Apr 6, 2022 at 12:34 AM Ignazio Cassano <ignaziocassano at gmail.com>
wrote:

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