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Subject: Re: [OMPI users] mpirun jobs only one single node
From: Ralph Castain (rhc_at_[hidden])
Date: 2010-06-15 08:41:48


Look at the contents of $PBS_NODEFILE and see how many nodes it contains.

On Jun 15, 2010, at 3:56 AM, Govind Songara wrote:

> Hi,
>
> I have using openmpi build with tm support
> When i run the job requesting for two nodes it run only on single node.
> Here is my script.
> >cat mpipbs-script.sh
> #PBS -N mpipbs-script
> #PBS -q short
> ### Number of nodes: resources per node
> ### (4 cores/node, so ppn=4 is ALL resources on the node)
> #PBS -l nodes=2:ppn=4
> /opt/openmpi-1.4.2/bin/mpirun /scratch0/gsongara/mpitest/hello
>
>
> torque config
> set queue short resources_max.nodes = 4
> set queue short resources_default.nodes = 1
> set server resources_default.neednodes = 1
> set server resources_default.nodect = 1
> set server resources_default.nodes = 1
>
> Can someone please advise if i missing anything here.
>
> Regards
> Govind
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