On 28 May 2014, at 1:20 am, Lars Marowsky-Bree <l...@suse.com> wrote:
> On 2014-05-27T10:02:44, Andrew Beekhof <and...@beekhof.net> wrote: > >>> We are working on HA solutions for OpenStack(-related) services and figured >>> out that sometimes we need clones to be notified if one of the cluster >>> nodes running clone instances goes offline. E.g., we need this information >>> to make RabbitMQ AMQP broker cluster to forget this node until it goes up >>> again. This is easily achievable if we stop the instance on the node - then >>> notification is sent to clone instances and everything is fine. But what >>> can we do if node goes offline unexpectedly? Is there any way to notify >>> other clones that the slave is dead and perform corresponding actions? >> Currently no, but it sounds like a useful feature to add. > > Didn't we generate notifications for nodes that were fenced, just as if > the instances on them were stopped? Not that I recall. But thats exactly what we'd want to do I think.
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