[PBS-USERS] mpiexec with OpenPBS_2.3.16

[Pete Wyckoff]

anupam-sharma at psu.edu said:
> 	I am having trouble making mpiexec work with OpenPBS on my mini
> cluster of 3 dual processor nodes.  I am able to compile mpiexec without
> any problems and also able to submit the job using a simple script which
> looks like this.
> 
> #!/bin/sh
> #PBS -N TEST2
> #PBS -e MYJOB.err
> #PBS -o MYJOB.log
> #PBS -l nodes=1:ppn=1
> 
> # This job's working directory
> echo Working directory is $PBS_O_WORKDIR
> cd $PBS_O_WORKDIR
> 
> echo Running on host `hostname`
> echo Time is `date`
> echo Directory is `pwd`
> echo This jobs runs on the following processors:
> echo `cat $PBS_NODEFILE`
> # Define number of processors
> NPROCS=`wc -l < $PBS_NODEFILE`
> echo This job has allocated $NPROCS nodes
> 
> /usr/local/bin/mpiexec cpi
> 
> # ----------------------  END -----------------------
> 
> The problem I am having is that the job just hangs in the middle of the
> run and never completes!!
> I have installed mpiexec on /usr/local/bin which is mounted across the
> nodes.
> 
> I looked up on the web and there were some patches for PBS to support
> mpiexec however none say anything about this type of problem.

Were you able to resolve this?  You can add "-v" (one or many) arguments
to mpiexec to see exactly what it does.  Also make sure you are using
the right communication library.  Mpiexec must be told if your code is,
say, mpich/gm or mpich/p4.

Followup to mpiexec at osc.edu, not pbs-users, please.

		-- Pete