Hi Sean,
On 2/11/26 11:24, Sean Mc Grath wrote:
FYI, (which others probably already know). Munge needs to be updated on
the slurmctld node(s) before being updated on the slurmd nodes in my
limited testing. Similar to how slurm is updated. Updating munge on a
slurmd node before the slurmctld caused errors on the slurmd node for the
one instance I did that.
I'm surprised by this experience. As long as you stay with the Munge
0.5.XX versions, I would think that Munge's protocols are interoperable
between minor versions - assuming that you don't rotate the Munge key as
explained in Tim's mail.
The Munge Release notes [2] don't seem to mention issues with upgrading,
and Slurm isn't mentioned at all.
Maybe someone can correct me here, and I'd be happy to add a correction to
my Slurm Wiki page on the topic of Munge [1].
I upgraded Munge on-the-fly from 0.5.17 to 0.5.18 yesterday in the order
login-nodes, slurmctld, slurmdbd, slurmd's, and we haven't encountered any
issues.
Best regards,
Ole
[1]
https://wiki.fysik.dtu.dk/Niflheim_system/Slurm_installation/#install-the-latest-munge-version
[2] https://github.com/dun/munge/releases
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