[slurm-users] slurm does not pass mca params to openmpi?

[Roger Mason]

Hello Paul,

Paul Edmon <pedmon at 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