How did you configure OMPI? If you add --display-allocation to your cmd line, does it show all the nodes?
On Jan 24, 2013, at 6:34 AM, Sabuj Pattanayek <sab...@gmail.com> wrote: > Hi, > > I'm submitting a job through torque/PBS, the head node also runs the > Moab scheduler, the .pbs file has this in the resources line : > > #PBS -l nodes=2:ppn=4 > > I've also tried something like : > > #PBS -l procs=56 > > and at the end of script I'm running : > > mpirun -np 8 cat /dev/urandom > /dev/null > > or > > mpirun -np 56 cat /dev/urandom > /dev/null > > ...depending on how many processors I requested. The job starts, > $PBS_NODEFILE has the nodes that the job was assigned listed, but all > the cat's are piled onto the first node. Any idea how I can get this > to submit jobs across multiple nodes? Note, I have OSU mpiexec working > without problems with mvapich and mpich2 on our cluster to launch jobs > across multiple nodes. > > Thanks, > Sabuj > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
