[slurm-users] Determining Cluster Usage Rate

Diego Zuccato diego.zuccato at unibo.it
Mon May 17 10:37:29 UTC 2021

Il 17/05/21 09:25, Ole Holm Nielsen ha scritto:

> I hope that someone on the list can help you build Debian packages.  
The problem is not just rebuilding Slurm: if I rebuild Slurm, I have to 
rebuild OpenMPI, OpenIB and a alot of other stuff that I don't know with 
the needed detail.

> When you find the time, you must upgrade by at most 2 Slurm versions at 
> a time, so you have to upgrade in two steps, for example 
> 18.08->19.05->20.11.
I usually just stop everything for the upgrade, then upgrade to whatever 
Debian is shipping at the moment. If the history is lost, it's not a big 
issue (that's what DB backups are for :) ).

> My Slurm upgrade instructions refer to CentOS, but the overall process 
> would be the same for all Linuxes:
> https://wiki.fysik.dtu.dk/niflheim/Slurm_installation#upgrading-slurm
> Please read carefully the existing documentation from SchedMD linked to 
> in this page.

> I upgrade Slurm frequently and have no problems doing so.  We're at 
> 20.11.7 now.  You should avoid 20.11.{0-2} due to a bug in MPI.
That's a really useful info.

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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