The simple answer is to just add a line such as Licenses=whatever:20
and then request your users to use the -L option as described at
https://slurm.schedmd.com/licenses.html
This works very well, however it does not do enforcement like Slurm does with other resources. You will find posts in this list from me trying to achieve such enforcement with prolog, but I ended up banging too much my head on the keyboard and so I eventually gave up. User education was easier for me. Depending on your user community, banging your head on the keyboard might be easier than educating your users -- if so please share how you solve the issue
On Fri, Feb 16, 2024 at 7:48 AM Sylvain MARET via slurm-users < slurm-users@lists.schedmd.com> wrote:
Hello everyone !
Recently our users bought a cplex dynamic license and want to use it on our slurm cluster. I've installed the paid version of cplex within modules so authorized user can load it with a simple module load cplex/2111 command but I don't know how to manage and ensure slurm doesn't launch a job if 20 people are already running code with this license.
How do you guys manage paid licenses on your cluster ? Any advice would be appreciated !
Regards, Sylvain Maret
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