[slurm-users] Random "sbatch" failure: "Socket timed out on send/recv operation"

Steffen Grunewald steffen.grunewald at aei.mpg.de
Tue Jun 11 14:27:39 UTC 2019


On Tue, 2019-06-11 at 13:56:34 +0000, Marcelo Garcia wrote:
> Hi 
> 
> Since mid-March 2019 we are having a strange problem with slurm. Sometimes, the command "sbatch" fails:
> 
> + sbatch -o /home2/mma002/ecf/home/Aos/Prod/Main/Postproc/Lfullpos/50.1 -p operw /home2/mma002/ecf/home/Aos/Prod/Main/Postproc/Lfullpos/50.job1
> sbatch: error: Batch job submission failed: Socket timed out on send/recv operation

I've seen such an error message from the underlying file system.
Is there anything special (e.g. non-NFS) in your setup that may have changed
in the past few months?

Just a shot in the dark, of course...

> Ecflow runs preprocessing on the script which generates a second script that is submitted to slurm. In our case, the submission script is called "42.job1". 
> 
> The problem we have is that sometimes, the "sbatch" command fails with the message above. We couldn't find any hint on the logs. Hardware and software logs are clean. I increased the debug level of slurm, to 
> # scontrol show config
> (..._)
> SlurmctldDebug          = info
> 
> But still not glue about what is happening. Maybe the next thing to try is to use "sdiag" to inspect the server. Another complication is that the problem is random, so we put "sdiag" in a cronjob? Is there a better way to run "sdiag" periodically?
> 
> Thnaks for your attention.
> 
> Best Regards
> 
> mg.
> 

- S

-- 
Steffen Grunewald, Cluster Administrator
Max Planck Institute for Gravitational Physics (Albert Einstein Institute)
Am M├╝hlenberg 1 * D-14476 Potsdam-Golm * Germany
~~~
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Mail: steffen.grunewald(at)aei.mpg.de
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