[slurm-users] constraints question
Tina Friedrich
tina.friedrich at it.ox.ac.uk
Tue Nov 6 05:06:43 MST 2018
Hello,
I hope this is a quick question.
The way I read the man page (srun/sbatch), I should be allowed a request like
--constraint="broadwell|haswell"
to get either a broadwell or a haswell node, or not? (I mean yes, assuming
nodes with that feature exists).
I can't get that to work; when I try, I get this:
srun -C "broadwell|haswell" --pty /bin/bash
srun: error: Unable to allocate resources: Invalid KNL configuration (MCDRAM or
NUMA option)
Both 'srun -C "broadwell" .... and 'srun -C "haswell" ...' work, i.e. I can
request either a broadwell or a haswell node.
I can get the '&' operator to work just fine - e.g.
srun -C "broadwell&E5-2640v4" --pty /bin/bash
works as expected.
So what am I doing wrong with the 'or'?
This is slurm 17.11.8, btw.
(And yes, I have the 'knl_generic' plugin enabled; there were some KNL nodes,
although they are no longer there. Still, I'm not even requesting 'knl' here?)
Google didn't really yield anything, so I thought asking might be quicker.
Thanks!
Tina
--
Tina Friedrich, Snr HPC Systems Administrator, Advanced Research Computing
Research Computing and Support Services, Academic IT
IT Services, University of Oxford
http://www.arc.ox.ac.uk
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