[xcat-user] GM mpi configuration problem

[Matthew Bohnsack]

A fuller description of what commands you are executing and what you're
trying to do with them would help...

* Scott Hanson <scotthan at us.ibm.com> [Jan 12, 2002 at 04:58:02PM CST]:
> 
> Ok , got past that hurdle.  Thanks for the help.  Now on to the next
> hurdle.  When I submit the job, just using mpirun I get an error back that
> says :
> 
>       Startup error.
>       MPI requires at least 2 PEs to function !
> 
> This error message is repeated the same number of times as I specify for
> the -np parameter for mpirun.
> 
> What next?  Thanks, and I'm learning a lot, so no smart ass comments from
> you , Egan :-)
> 
> ___________________________________________
> Scott Hanson - RHCE , MCSE , PSE
> America's Team -- IBM Advanced Technical Support
> Voice: 817-962-6095  IBM T/L 522-6095 Mobile: 817-366-6487
> Email: mailto:scotthan at us.ibm.com
> 
> 
> 
> 
> Matthew Bohnsack <bohnsack at bohnsack.com>@lists.x-cat.org on 01/12/2002
> 10:47:42 AM
> 
> Please respond to xcat-user at lists.x-cat.org
> 
> Sent by:    xcat-user-admin at lists.x-cat.org
> 
> 
> To:    xcat-user at lists.x-cat.org
> cc:
> Subject:    Re: [xcat-user] GM mpi configuration problem
> 
> 
> 
> /usr/local/xcat/samples/pbs/mpich-gm.pbs should give you a pretty good
> idea of what you need to do here.
> 
> Are you running under PBS?
> 
> If so,
> 
> mkdir ~/.gmpi
> GMCONF=~/.gmpi/conf.$PBS_JOBID
> /usr/local/xcat/bin/pbsnodefile2gmconf $PBS_NODEFILE >$GMCONF
> mpirun.ch_gm --gm-f $GMCONF ....
> 
> If not,
> 
> On one of the compute nodes where your job will be running...
> mkdir ~/.gmpi
> Create a file with all the nodes you want to run on (nodes with two CPUs
> listed twice)
> GMCONF=~/.gmpi/conf
> /usr/local/xcat/bin/pbsnodefile2gmconf my_list_of_nodes.txt >$GMCONF
> mpirun.ch_gm --gm-f $GMCONF ....
> 
> -Matt
> 
> * Scott Hanson <scotthan at us.ibm.com> [Jan 12, 2002 at 02:22:01AM CST]:
> > I'm setting up the POVRAY demo and I'm getting a problem with the gm
> > configuration, I think.
> >
> > When I try to do an mpirun, even on the sample jobs, I get an error that
> > says :
> >
> >       cannot open /root/.gmpi/conf : no such file or directory
> >
> > My searches on the web say that this is a gm config file that lists the
> gm
> > boards for all the nodes. I don't remember ever have to set this up, am I
> > missing something path or Environment variable wise ?
> >
> > What did I forget to setup ?
> --
> Matt Bohnsack <bohnsack at bohnsack.com>
> http://bohnsack.com/  http://x-cat.org/
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> 
> 
> 
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-- 
Matt Bohnsack <bohnsack at bohnsack.com>
http://bohnsack.com/  http://x-cat.org/