Hi, Jay Yep. Here is the link to mail archive (I hoped that they would hit "Reply All" button): https://www.mail-archive.com/pacemaker@oss.clusterlabs.org/msg19896.html
Actually, this is what Mirantis Linux Hardening team could do, I hope, in this release cycle and push it to upstream. On Thu, Jun 12, 2014 at 2:44 AM, Jay Pipes <jaypi...@gmail.com> wrote: > On 05/26/2014 11:16 AM, Vladimir Kuklin wrote: > >> Hi all >> >> 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? >> >> One of the ways we figured out is to implement additional cluster >> monitoring action in resource OCF and purge "dead" nodes, but it looks a >> little bit overwhelming and inconvenient. Is there a chance we missed >> some attributes that allow configuration of such behaviour that >> pacemaker notifies other clones on node offline/fence/cold_shutdown ? >> > > Ping. Hi Vladimir, did you ever get any response about this? I'm also > interested in the answers... > > Best, > -jay > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > -- Yours Faithfully, Vladimir Kuklin, Fuel Library Tech Lead, Mirantis, Inc. +7 (495) 640-49-04 +7 (926) 702-39-68 Skype kuklinvv 45bk3, Vorontsovskaya Str. Moscow, Russia, www.mirantis.com <http://www.mirantis.ru/> www.mirantis.ru vkuk...@mirantis.com
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