Open Stack

Personally I run undercloud on a vm (kvm) and snapshot it before messing
with the heat stack :)

Regards

On Tue, Jun 14, 2016 at 6:16 PM, Charles Short <cems at ebi.ac.uk> wrote:

> Well I just tested this....
>
> Tried to create a snapshot of the heat stack overcloud (from a new clean
> state).
> The snapshot is stuck IN PROGRESS (for over an hour). I cannot remove it.
> Perhaps this is not such a good/reliable method.
> I will revert to my CloneZilla bare metal imaging to restore back.
>
> Any other suggestions as to how to cope with a stack update failure
> without deleting and recreating the stack?
>
> Thanks
>
> Charles
>
>
> On 14/06/2016 16:57, Charles Short wrote:
>
>> Hi,
>>
>> TripleO stable Mitaka
>>
>> I am testing expanding my stack by adding more compute nodes. The first
>> update failed, leaving the overcloud stack in a failed state.
>> Is it best practice to create a snapshot of the overcloud heat template
>> before updating the stack?
>> You could then roll back and try the update again.
>>
>> heat stack-snapshot overcloud
>> heat stack-restore [snapshot-id]
>>
>> Regards
>>
>> Charles
>>
>>
> --
> Charles Short
> Cloud Engineer
> Virtualization and Cloud Team
> European Bioinformatics Institute (EMBL-EBI)
> Tel: +44 (0)1223 494205
>
>
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