Roger,
is the home directory mounted at the same place regardless this is a frontend or a compute node ? I noted you --export=ALL, so there is a risk you export $HOME that is not reachable on the compute nodes. Cheers, Gilles ----- Original Message ----- > Hello Paul, > > Paul Edmon <ped...@cfa.harvard.edu> writes: > > > So the recommendation I've gotten the past is to us option number 4 > > from this FAQ: > > > > https://www.open-mpi.org/faq/?category=tuning#setting-mca-params > > > > This works for both mpirun and srun in slurm because its a flat file > > that is read rather than options that are passed in. > > I think that is what I'm doing with this: > >> If I put the the MCA parameters in ~/.openmpi/mca-params.conf: > >> btl_tcp_if_include=192.168.0.0/24 > > but mpirun (apparently) does not access that file when called from > slurm. It _does_ access the file when called from the command-line. > > Thanks, > Roger > > >
