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I posted a fix that does not break things and supports HA.
https://review.openstack.org/154029

On 2/11/15, 5:55 PM, "Matthew Booth" <mbooth at redhat.com> wrote:

>On 11/02/15 15:49, Gary Kotton wrote:
>> Hi,
>> I do not think that that is a healthy solution. That effectively would
>> render a cluster down if the compute node goes down. That would be a
>>real
>> disaster. The ugly work around is setting the host names to be the same
>> value.
>
>I don't think that's an ugly work around. I think that's the only
>currently viable solution.
>
>> This is something that we should discuss at the next summit and I would
>> hope to propose a topic to talk about.
>
>Sounds like a good plan. However, given that the bug is marked Critical
>I was assuming we wanted a more expedient fix, which is what I've
>proposed.
>
>Matt
>
>> Thanks
>> Gary
>> 
>> On 2/11/15, 5:31 PM, "Matthew Booth" <mbooth at redhat.com> wrote:
>> 
>>> I just posted this:
>>>
>>> https://review.openstack.org/#/c/154907/
>>>
>>> as an alternative fix for critical bug:
>>>
>>> https://bugs.launchpad.net/nova/+bug/1419785
>>>
>>> I've just knocked this up quickly for illustration: it obviously needs
>>> plenty of cleanup. I have confirmed that it works, though.
>>>
>>> Before I take it any further, though, I'd like to get some feedback on
>>> the approach. I prefer this to the alternative, because the underlying
>>> problem is deeper than supporting evacuate. I'd prefer to be honest
>>>with
>>> the user and just say it ain't gonna work. The alternative would leave
>>> Nova running in a broken state, leaving inconsistent state in its wake
>>> as it runs.
>>>
>>> Matt
>>>
>>> -- 
>>> Matthew Booth
>>> Red Hat Engineering, Virtualisation Team
>>>
>>> Phone: +442070094448 (UK)
>>> GPG ID:  D33C3490
>>> GPG FPR: 3733 612D 2D05 5458 8A8A 1600 3441 EA19 D33C 3490
>>>
>>> 
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>> 
>> 
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>
>
>-- 
>Matthew Booth
>Red Hat Engineering, Virtualisation Team
>
>Phone: +442070094448 (UK)
>GPG ID:  D33C3490
>GPG FPR: 3733 612D 2D05 5458 8A8A 1600 3441 EA19 D33C 3490
>
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