[Openais] Corosync and OpenAIS compatibility

[Carlos Xavier]

Tank you very much,
but at the end I had to gave up :-(

I didnt have luck on compile one library need by the DLM on the Slackware machine, so no ocfs2 
controld.
Maybe ill have time later for taking a look on this.

Regards,
Carlos


----- Original Message ----- 
From: "Tim Serong" <tserong at suse.com>
To: <openais at lists.linux-foundation.org>
Sent: Tuesday, March 13, 2012 3:01 AM
Subject: Re: [Openais] Corosync and OpenAIS compatibility


On 03/13/2012 01:38 PM, Carlos xavier wrote:
> Hi.
>
> I´m building a cluster on Slackware 13.37 64 bit. The intent is to have
> OCFS2 over DRBD and on top of this to have Mysql running on the clustered
> file system. We have an very old setup of this system using heartbeat based
> on the Ultramonkey project.
>
>
>
> Now we want to move forward Pacemaker. I´m following the steps of build from
> source, this paper says that for running OCFS2, OpenAIS is needed.
>
> I was compiling the latest version of all programs, but when I tried to
> compile the last version of OpenAIS having the Corosync version 1.99.7
> installed, I found out that OpenAIS wont compile. Taking a look on the log I
> searched for the files causing the trouble and I realized that it needs
> Corosync version 1.2.1 although on the OpenAIS home page says “(depends on
> Corosync 1.X.Y)”.

You should be fine with anything up to the latest corosync 1.4 release.

AIUI, corosync 1.99 is prepwork for corosync 2.0.

>
> Since OpenAIS is not on development anymore the question is, the new version
> of Corosync  somehow replaces OpenAIS?  With the latest version of Corosync,
> people wanting to run OCFS2 do not need OpenAIS anymore?

You can't use OCFS2 with corosync 1.99/2.0 yet.  Someone needs to
rewrite ocfs2_controld to function without openais, but that work hasn't
been done yet.  See this thread for a bit more info:

  http://oss.clusterlabs.org/pipermail/pacemaker/2012-March/013375.html

Regards,

Tim
-- 
Tim Serong
Senior Clustering Engineer
SUSE
tserong at suse.com
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