[slurm-users] Is this a known error?

[Sean McGrath]

Hi Bjørn-Helge,

Thanks for that.

On Wed, Dec 08, 2021 at 09:03:36AM +0100, Bj?rn-Helge Mevik wrote:

> Sean McGrath <smcgrat at tchpc.tcd.ie> writes:
> 
> > I'm seeing something similar.
> >
> > slurmdbd version is 21.08.4
> >
> > All the slurmd's & slurmctld's are version 20.11.8
> >
> > This is what is in the slurmdbd.log
> >
> > [2021-12-07T17:16:50.001] error: unpack_header: protocol_version 8704 not supported
> 
> I believe 8704 corresponds to 19.05.x, which is no longer accepted in
> 21.08.x.
> 
> > Can anyone advise how to identify the clients that are generating those
> > errors please?
> 
> I don't think slurmd connects directly to slurmdbd, so perhaps it is
> some frontend node or machine outside the cluster itself which has the
> slurm commands installed and is doing requests to slurmdbd (sacct,
> sacctmgr, etc.)?

Yes, I think it is it, I haven't been able to track it down and will
just have to live with the messages in the logs.

> 
> With SlurmdbdDebug set to debug or higher, new client connections will
> be logged with
> 
> [2021-12-08T09:00:07.992] debug:  REQUEST_PERSIST_INIT: CLUSTER:saga VERSION:9472 UID:51568 IP:10.2.3.185 CONN:8
> 
> in slurmdbd.log.  But perhaps that will not happen if slurmdbd fails to
> unpack the header?

Unfortunately it doesn't as it can't unpack the headers so I don't get a
more informative error.

Thanks for your help all the same.

Sean


> 
> -- 
> Regards,
> Bjørn-Helge Mevik, dr. scient,
> Department for Research Computing, University of Oslo
> 



-- 
Sean McGrath M.Sc

Systems Administrator
Trinity Centre for High Performance and Research Computing
Trinity College Dublin

sean.mcgrath at tchpc.tcd.ie

https://www.tcd.ie/
https://www.tchpc.tcd.ie/

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