 |
 |
Hello. Can this info be made available somewhere (wiki pages) and not just in the archive of the LCG Rollout list ? Thank you. Flavia Maarten Litmaath wrote: > Charles Loomis wrote: > >> Hello, >> >> I've managed to get a reasonable configuration of torque, maui, mpich, >> and mpiexec working at LAL. The configuration fixes the problem you >> describe below and also adds support for mpiexec. It uses newer >> versions of torque and mpich than are standard in the LCG/EGEE >> distribution. The newer versions are running at LAL and work well. >> >> There is a short readme on the configuration which needs to be changed >> here: >> >> http://grid05.lal.in2p3.fr/mpi/readme.txt >> >> and the rpms can be found here: >> >> http://grid05.lal.in2p3.fr/mpi/ > > > Should we use those for LCG-2_4_0? Steve, what about your version? > >> MPICH and mpiexec have been compiled to use p4 by default which is >> probably what you'll want. >> >> Cheers. >> >> Cal >> >> >> >> Klaere Cassirer wrote: >> >>> Hello, >>> I have questions about MPICH jobs. Our site runs LCG2.3 on SL3 with the >>> maui >>> scheduler and pbs. >>> - Does anybody know how to specify a NODENUMBER greater than the >>> number of >>> WNs on a site, which has more than 1 CPU per WN? I want to use all >>> available >>> CPUs (here: 2 CPUs per WN). >>> - How can I tell maui to reserve x nodes for me, but only one CPU per >>> node? >>> >>> In LCG2.2 times I specified nodenumber=x, then ran a script which >>> started 2 >>> mpich-processes on each of the x nodes. But with maui, I get x CPUs >>> (every >>> 2nd on the same WN), but not more. >>> >>> Regards >>> >>> -- >>> Klaere Cassirer >>> Fraunhofer-Institute for Algorithms and Scientific Computing (SCAI) >>> Schloss Birlinghoven >>> D-53754 Sankt Augustin >>> >>> Tel: +49 - 2241 - 14 - 2758 >>> Fax: +49 - 2241 - 14 - 42758 >>> E-mail: [log in to unmask] >>> Internet: http://www.scai.fraunhofer.de >>>