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

[Paul Edmon]

Interesting.  Haven't hit that one before.  The file has always worked 
for me.

-Paul Edmon-


On 07/19/2018 10:28 AM, Roger Mason wrote:
> 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
>
>