[Openais] first time install of corosync, openais and pacemaker on ubuntu 9.04

Frank DiMeo Frank.DiMeo at bigbandnet.com
Fri Nov 6 12:40:38 PST 2009



> -----Original Message-----
> From: Fabio M. Di Nitto [mailto:fdinitto at redhat.com]
> Sent: Friday, November 06, 2009 3:34 PM
> To: mike.peachey at jennic.com
> Cc: Frank DiMeo; openais at lists.linux-foundation.org
> Subject: Re: [Openais] first time install of corosync, openais and
> pacemaker on ubuntu 9.04
> 
> Mike Peachey wrote:
> > Frank DiMeo wrote:
> >> All,
> >>
> >> I'm just getting started with open source HA and have built and
> >> installed corosync (1.1.0) and openais (1.1.0) on a ubuntu 9.04 distro.
> >>
> >> I then followed the instructions at
> >> http://www.clusterlabs.org/wiki/DebianCorosync to build and install:
> >> cluster-glue, agents and pacemaker.
> >>
> >> I intend to try using corosync, openais, and pacemaker, so my question
> >> is: do I really need to have built and installed the cluster-glue and
> >> agents?  In my reading, it seems like heartbeat and openais are now
> peer
> >> entities, so I'm not sure what the heartbeat components do in a system
> >> made up of corosync, openais, and pacemaker.
> >>
> >> Any advice?
> >
> > Pacemaker depends on corosync.
> > OpenAIS is optional, but recommended,
> > Corosync and OpenAIS depend on Cluster Resource Agents.
> 
> Neither corosync or openais depend on cluster resource agents.
> 
> Openais Depends on corosync.
> 
> That´s all.
> 
> Fabio

Ok, so...in a Pacemaker/corosync/openais environment, I don't need "Cluster Resource Agents" at all?

-Frank


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