Thanks Troy, That is our intention also for course/training purposes if there are course days.
regards -- Bas van der Vlies | Operations, Support & Development | SURFsara | Science Park 140 | 1098 XG Amsterdam | T +31 (0) 20 800 1300 | bas.vandervl...@surf.nl | www.surf.nl | > On 25 Sep 2020, at 17:03, Baer, Troy <t...@osc.edu> wrote: > > I've been looking at it for classroom type reservations, but I ran into a bug > where jobs that weren't eligible to access the reservation were being > attracted to it anyway. That's supposed to be fixed in 20.02.6. See > https://bugs.schedmd.com/show_bug.cgi?id=9593 for details. > > --Troy > > On 9/25/20, 10:49 AM, "slurm-users on behalf of Bas van der Vlies" > <slurm-users-boun...@lists.schedmd.com on behalf of bas.vandervl...@surf.nl> > wrote: > > Are people using the MAGNETIC reservation flag? My question would be how? > because to my it would be more useful if the reservation is tried first and > then the free nodes. > That is what I expected with the MAGNETIC flag. > > > Bas van der Vlies > | Operations, Support & Development | SURFsara | Science Park 140 | 1098 > XG Amsterdam > | T +31 (0) 20 800 1300 | bas.vandervl...@surf.nl | > https://urldefense.com/v3/__http://www.surf.nl__;!!KGKeukY!mRT6FSlug4OBODiqDnysihd41efy6vwp4wT9pmdFkOUqPDR0jy3l6d-gzG2P$ > | > > > > >> On 24 Sep 2020, at 12:16, Bas van der Vlies <bas.vandervl...@surf.nl> wrote: >> >> We have installed slurm 20.02.5 and I am trying to use this new reservation >> flag >> MAGNETIC: >> * >> https://urldefense.com/v3/__https://slurm.schedmd.com/reservations.html__;!!KGKeukY!mRT6FSlug4OBODiqDnysihd41efy6vwp4wT9pmdFkOUqPDR0jy3l6VfveQgB$ >> >> >> 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 | >> https://urldefense.com/v3/__http://www.surf.nl__;!!KGKeukY!mRT6FSlug4OBODiqDnysihd41efy6vwp4wT9pmdFkOUqPDR0jy3l6d-gzG2P$ >> > > >
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