Hi,
I believe you are looking for stack convergence in Heat. It's not fully
implemented yet AFAIK.
You can check it out here
https://blueprints.launchpad.net/heat/+spec/convergence
Hope it will help you.
Ladislav
On 07/23/2014 12:31 PM, Howley, Tom wrote:
(Resending to properly start new thread.)
Hi,
I'm running a HA overcloud configuration and as far as I'm aware,
there is currently no mechanism in place for restarting failed nodes
in the cluster. Originally, I had been wondering if we would use a
corosync/pacemaker cluster across the control plane with STONITH
resources configured for each node (a STONITH plugin for Ironic could
be written). This might be fine if a corosync/pacemaker stack is
already being used for HA of some components, but it seems overkill
otherwise. The undercloud heat could be in a good position to restart
the overcloud nodes -- is that the plan or are there other options
being considered?
Thanks,
Tom
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