Hi Paul,
On 8/9/24 18:45, Paul Edmon via slurm-users wrote:
As I recall I think OpenMPI needs a list that has an entry on each line,
rather than one seperated by a space. See:
[root@holy7c26401 ~]# echo $SLURM_JOB_NODELIST
holy7c[26401-26405]
[root@holy7c26401 ~]# scontrol show hostnames $SLURM_JOB_NODELIST
holy7c26401
holy7c26402
holy7c26403
holy7c26404
holy7c26405
[root@holy7c26401 ~]# list=$(scontrol show hostname $SLURM_NODELIST)
[root@holy7c26401 ~]# echo $list
holy7c26401 holy7c26402 holy7c26403 holy7c26404 holy7c26405
proper quoting does wonders here (please consult the man-page of bash).
If you try
echo "$list"
you will see that you will get
holy7c26401
holy7c26402
holy7c26403
holy7c26404
holy7c26405
So you *can* pass this around in a variable if you use "$variable"
whenever you provide it to a utility.
Regards,
Hermann
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