Hi Janna,
If you're running an old Slurm version, there may be bugs already resolved
in the later versions. You can search for bugs with ReqNodeNotAvail in
the title:
https://bugs.schedmd.com/buglist.cgi?quicksearch=ReqNodeNotAvail
For example, this one might be relevant:
https://bugs.schedm
In case your Arp cache is the problem, there is some advice in the Wiki
page:
https://wiki.fysik.dtu.dk/niflheim/Slurm_configuration#configure-arp-cache-for-large-networks
I think there are other causes for ReqNodeNotAvail, for example, the
node being allocated for other jobs. The "scontrol sh
