[torqueusers] Questions about pbs_server --ha

Victor Gregorio vgregorio at penguincomputing.com
Mon Apr 13 10:14:14 MDT 2009


Hello Ken,

Thanks for the reply.  I have a third system which exports NFS storage
for both pbs_servers' /var/spool/torque/server_priv.  For now, there is
no NFS redundancy.

    * export options: *(rw,sync,no_root_squash)
    * mount options on both pbs_servers: bg,intr,soft,rw

-- 
Victor Gregorio
Penguin Computing

On Mon, Apr 13, 2009 at 09:57:41AM -0600, Ken Nielson wrote:
> Victor,
> 
> Tell us about your NFS setup. Where does the physical disk reside and is it setup to fail over to another system if the primary NFS fails?
> 
> Ken Nielson
> --------------------
> Cluster Resources
> knielson at clusterresources.com
> 
> 
> ----- Original Message -----
> From: "Victor Gregorio" <vgregorio at penguincomputing.com>
> To: torqueusers at supercluster.org
> Sent: Friday, April 10, 2009 2:54:56 PM GMT -07:00 US/Canada Mountain
> Subject: [torqueusers] Questions about pbs_server --ha
> 
> Hey folks :)
> 
> I've been lurking about for a bit and finally had a question to post.
> 
> So, I am using two systems with pbs_server --ha and a shared NFS mount
> for /var/spool/torque/server_priv.  In my testing, I bring down the
> primary server by pulling the power plug.  Unfortunately, the secondary
> server does not pick up and become the primary pbs_server.
> 
> Is this because /var/spool/torque/server_priv/server.lock is not removed
> when the primary server has a critical failure?
> 
> So, I tried removing the server.lock file, but the secondary pbs_server
> --ha instance never picks up and becomes primary.  What is the trigger
> to activate a passive pbs_server --ha?
> 
> Any advice is appreciated.
> 
> Regards,
> 
> -- 
> Victor Gregorio
> Penguin Computing
> 
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