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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