Any more thoughts about this subject? Ask? Vish? Best regards,
Tristan van Bokkem Datacenter Operations Contact: E-mail Personal: tristanvanbok...@i3d.net E-mail Support: i...@i3d.net E-mail NOC: n...@i3d.net Website: http://www.i3d.net Office: Interactive 3D B.V. Meent 93b 3011 JG Rotterdam The Netherlands Visit www.smartdc.net – SmartDC is our in-house 36,000 sq. ft. datacenter in Rotterdam, The Netherlands. High density hosting – multiple fiber carriers in-house – Level3 PoP. Interactive 3D (i3D.net) is a company registered in The Netherlands at Meent 93b, Rotterdam. Registration #: 14074337 - VAT # NL 8202.63.886.B01. Interactive 3D (i3D.net) is CDSA certified on content protection and security. We are ranked in the Deloitte Technology Fast 50 as one of the fastest growing technology companies. _____ From: Alexis Richardson [mailto:ale...@rabbitmq.com] To: Major Hayden [mailto:major.hay...@rackspace.com] Cc: i3D.net - Tristan van Bokkem [mailto:tristanvanbok...@i3d.nl], <openstack@lists.launchpad.net> [mailto:openstack@lists.launchpad.net], Ask Solem [mailto:a...@rabbitmq.com] Sent: Tue, 14 Feb 2012 14:47:13 +0100 Subject: Re: [Openstack] Howto Nova setup with HA? Major, The current set-up of HA in Openstack is borked in several ways. Ask Solem, cc'd, is going to write up a note helping people to do it properly. alexis On Tue, Feb 14, 2012 at 1:34 PM, Major Hayden <major.hay...@rackspace.com> wrote: > On Feb 14, 2012, at 2:07 AM, i3D.net - Tristan van Bokkem wrote: > >> So, we can run MySQL in master-master mode on multiple hosts, we can run nova-api on serveral hosts and load balance those and RabbitMQ has a cluster ha setup as well but is this the way to go? I can't find a clear answer to this. I am hoping one can shine some light on this! > > If you want to make things a little simpler, an active/passive MySQL setup with pacemaker, corosync, and DRBD will work quite well. ClusterLabs has a pretty decent howto on their site: > > http://www.clusterlabs.org/wiki/DRBD_MySQL_HowTo > > As for RabbitMQ clustering, I worked with it for several days and had quite a few problems with data consistency and availability. We eventually settled on the "legacy" H/A method for RabbitMQ using pacemaker and DRBD. There's a pretty good walkthrough on RabbitMQ's site: > > http://www.rabbitmq.com/pacemaker.html > > -- > Major Hayden > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp
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