[slurm-users] Limit usage outside reservation

[Michael Gutteridge]

I'm unaware of any mechanism to do this on a per-user basis.  The partition
configuration does include the parameter "ReqResv" (
https://slurm.schedmd.com/slurm.conf.html):

ReqResv
Specifies users of this partition are required to designate a reservation
when submitting a job. This option can be useful in restricting usage of a
partition that may have higher priority or additional resources to be
allowed only within a reservation. Possible values are "YES" and "NO". The
default value is "NO".

Using QOS is another possibility (https://slurm.schedmd.com/qos.html):

RequiresReservaton
If set, jobs using this QOS must designate a reservation when submitting a
job. This option can be useful in restricting usage of a QOS that may have
greater preemptive capability or additional resources to be allowed only
within a reservation.

Sorry I don't have any concrete solutions, but those might help you find a
solution

 - Michael


On Tue, Oct 20, 2020 at 12:04 AM SJTU <weijianwen at sjtu.edu.cn> wrote:

> Hi,
>
> We reserved compute node resource on SLURM for specific users and hope
> they will make good use of it. But in some cases users forgot the
> '--reservation' parameter in job scripts, competing with other users
> outside the reserved nodes.
>
> Is there a recommended way to limit users' usage *OUTSIDE* their reserved
> resource?
>
> Thank you!
>
> Jianwen
>
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