We have installed slurm 20.02.5 and I am trying to use this new reservation flag MAGNETIC: * https://slurm.schedmd.com/reservations.html
From this page I understand that the job will land in the reservation even if we did not specify the reservation name. I tested it on our cluster setup but it does not seems to work as expected I create a reservation for 1 node for user bas with flag magnetic. I submit a job and to my surprise the job is scheduled on a free node and not on the node in the reservation. It is only scheduled in the reservation if all nodes are occupied. Is this the default behaviour or did a miss a setting? I have set all available nodes offline except the reservation node and then I see this: ``` bas@batch2:~/src$ srun -N1 --pty /bin/bash srun: Required node not available (down, drained or reserved) srun: job 1713 queued and waiting for resources srun: job 1713 has been allocated resources ``` From this I see that the "magentic" reservation is considered as last. regards -- -- Bas van der Vlies | Operations, Support & Development | SURF | Science Park 140 | 1098 XG Amsterdam | T +31 (0) 20 800 1300 | bas.vandervl...@surf.nl | www.surf.nl
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