[slurm-users] Dynamic nodes - startup and job output

Graham Pearce graham.pearce at accelercomm.com
Tue Aug 1 15:24:56 UTC 2023

I have a small test cluster where I'm investigating the use of dynamic nodes before we bring up a production cluster.  I have two questions:

  1.  I have used slurmd -Z --conf... to successfully bring up a dynamic node, which works fine alongside the static nodes, apart from one problem. The job output on the dynamic node is never returned to the node where the job was started - it always remains in the user's home folder on the dynamic node, which is not what I was expecting.  The contents of $SLURM_NODE_ALIASES appears to be sensible when echoed in jobs that are running on the dynamic node.  There are no errors in the logs. I'm running 23.02.3 built from source. Any clues please how to direct the output?
  2.  I've tried the second method listed on the dynamic nodes page, scontrol create NodeName=...  If you use this, are you then supposed to start up slurmd with slurmd -Z (i.e. without "--conf...")?

Many thanks for any advice.
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