[slurm-users] SLURM: reconfig
Ole Holm Nielsen
Ole.H.Nielsen at fysik.dtu.dk
Fri May 6 08:39:54 UTC 2022
On 5/6/22 10:26, Mark Dixon wrote:
> On Thu, 5 May 2022, Ole Holm Nielsen wrote:
>> You're right, probably the correct order for Configless must be:
>> * stop slurmctld
>> * edit slurm.conf etc.
>> * start slurmctld
>> * restart the slurmd nodes to pick up new slurm.conf
>> See also slides 29-34 in
>> https://slurm.schedmd.com/SLUG21/Field_Notes_5.pdf from the Slurm
>> publications site https://slurm.schedmd.com/publications.html
>> Less-Safe, but usually okay, procedure:
>> 1. Change configs
>> 2. Restart slurmctld
>> 3. Restart all slurmd processes really quickly
> Sure, I'd seen that: but it's not exactly ideal, is it?
Not ideal, but there are Slurm design reasons (node bitmaps) that
necessitate restarting slurmd's when nodes are added or removed.
> Roll on dynamic node adding and removing...
Yes, see slide 37 in https://slurm.schedmd.com/SLUG21/Roadmap.pdf from the
Slurm publications site https://slurm.schedmd.com/publications.html
More information about the slurm-users