Hint: round down a bit the RAM reported by 'slurmd -C'. Or you risk the
nodes not coming back up after an upgrade that leaves a bit less free
RAM than configured.
Diego
Il 10/07/2024 17:29, Brian Andrus via slurm-users ha scritto:
Jack,
To make sure things are set right, run 'slurmd -C' on the node and use
that output in your config.
It can also give you insight as to what is being seen on the node versus
what you may expect.
Brian Andrus
On 7/10/2024 1:25 AM, jack.mellor--- via slurm-users wrote:
Hi,
We are running slurm 23.02.6. Our nodes have hyperthreading disabled
and we have slurm.conf set to CPU=32 for each node (each node has 2
processes with 16 cores). When we allocated a job, such as salloc -n
32, it will allocate a whole node but using sinfo shows double the
allocation in the TRES=64. It also shows in sinfo that the node has
4294967264 idle CPUs.
Not sure if its a known bug, or an issue with our config? I have tried
various things, like setting the sockets/boards in slurm.conf.
Thanks
Jack
--
Diego Zuccato
DIFA - Dip. di Fisica e Astronomia
Servizi Informatici
Alma Mater Studiorum - Università di Bologna
V.le Berti-Pichat 6/2 - 40127 Bologna - Italy
tel.: +39 051 20 95786
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