Open Stack

Also, last time we checked, if you are using cells, then it doesn't play nice with H/A Rabbit.  I could have missed that update that has fixed this, but it's something to keep in mind if you are using them or plan to in the future as you scale.

Matt

From: Abel Lopez <alopgeek at gmail.com<mailto:alopgeek at gmail.com>>
Date: Thursday, January 30, 2014 11:47 PM
To: "Allamaraju, Subbu" <subbu at subbu.org<mailto:subbu at subbu.org>>
Cc: "openstack-operators at lists.openstack.org<mailto:openstack-operators at lists.openstack.org>" <openstack-operators at lists.openstack.org<mailto:openstack-operators at lists.openstack.org>>
Subject: Re: [Openstack-operators] RabbitMQ HA

My personal experience is that rabbit HA cluster seems to eat itself every couple of weeks. It's pretty harsh, have to kill all cluster nodes, blow away mnesia, then it'll come back.

On Sunday, January 19, 2014, Allamaraju, Subbu <subbu at subbu.org<mailto:subbu at subbu.org>> wrote:
OpenStack HA guide (http://docs.openstack.org/high-availability-guide/content/s-rabbitmq.html) says that Pacemaker/DRBD approach is preferred over active-active mirrored queues. Details are sparse in the guide. Is anyone aware of any data/issues first hand?

Thanks for any pointers.

Subbu
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