Any more thoughts about this subject? Ask? Vish?

Best regards,

Tristan van Bokkem
Datacenter Operations

E-mail Personal:
E-mail Support:
E-mail NOC:
Website: Office:
Interactive 3D B.V.
Meent 93b
3011 JG Rotterdam
The Netherlands

Visit – 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 ( is a company registered in The Netherlands at Meent 
93b, Rotterdam. Registration #: 14074337 - VAT # NL 8202.63.886.B01. 
Interactive 3D ( 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 []
To: Major Hayden []
Cc: - Tristan van Bokkem [], 
<> [], Ask 
Solem []
Sent: Tue, 14 Feb 2012 14:47:13 +0100
Subject: Re: [Openstack] Howto Nova setup with HA?

  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.
  On Tue, Feb 14, 2012 at 1:34 PM, Major Hayden
  <> wrote:
  > On Feb 14, 2012, at 2:07 AM, - 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:
  > 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:
  > --
  > Major Hayden
  > _______________________________________________
  > Mailing list:
  > Post to     :
  > Unsubscribe :
  > More help   :
Mailing list:
Post to     :
Unsubscribe :
More help   :

Reply via email to