[torqueusers] problem with PBS_NODEFILE

Garrick Staples garrick at clusterresources.com
Tue Oct 10 09:55:58 MDT 2006


On Tue, Oct 10, 2006 at 08:27:10PM +0530, ajit mote alleged:
> Hi all,
> > > Hi all,
> > >     in my setup PBS_NODEFILE variable does not set in environment ...
> > >     because of this my job get existed ...
> > > 
> > >     what and where is the problem?
> > 
> > Is there an error message starting the job?
> > 
> > Is this a new cluster that you are trying to get running for the first
> > time, or is this a new problem?
>    what i observed is that :
>             """ before this problem arise , we are using torque with
> external scheduler(Moab) so in pbs script i used for number of processor
> is #PBS -l ncpus=2 and it set PBS_NODEFILE .
>              But this time , for some testing purpose when we used only
> torque it does not set PBS_NODEFILE environment variable. If u used #PBS
> -l nodes=2 then torque will set PBS_NODEFILE environment variable and
> everything goes smooth.
>              if u observed the same , please tell me the reason why this
> is so? """

This is normal.  maui/moab always have "nodes" in the request, they
force it.  pbs_sched won't add nodes to a request that doesn't have it.



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