I would suggest making very sure that all compute nodes are time synced
properly.
Then look at logs from the slurm controller and a computer mode side by
side in two windows.


Why are these nodes not in contact with the slurm controller?

On Tue, May 5, 2026, 7:35 PM Ole Holm Nielsen via slurm-users <
[email protected]> wrote:

> On 5/4/2026 5:33 PM, Pharthiphan Asokan via slurm-users wrote:
> > We’re seeing an issue where jobs submitted via |salloc| are
> > automatically cancelled when a compute node becomes temporarily
> unreachable.
> > Our goal is to keep jobs pending or requeued instead of being cancelled
> > outright when a node drops offline briefly
> > Slurm sometimes cancels the job rather than requeuing it when the node
> > is marked |DOWN/ DRAIN/ DRAINING*|.
> >
> > Is there a recommended configuration or additional parameter that
> > ensures jobs remain pending/requeued until the node returns, rather than
> > being cancelled?
>
> DOWN nodes are very likely caused (rightly so, IMHO) by the
> SlurmdTimeout in slurm.conf
> > The interval, in seconds, that the Slurm controller waits for slurmd to
> respond before configuring that node's state to DOWN.
> See https://slurm.schedmd.com/slurm.conf.html#OPT_SlurmdTimeout
>
> The JobRequeue parameter controls job requeue.
>
> IHTH,
> Ole
>
> --
> Ole Holm Nielsen
> PhD, Senior HPC Officer
> Department of Physics, Technical University of Denmark
>
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>
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