Re: file permissions on joblog

[Rob Sargent]

> On Jul 28, 2022, at 1:10 AM, Christian Meesters <meesters@uni-mainz.de> wrote:
> Hi,
> 
> not quite. Under SLURM the jobstep starter (SLURM lingo) is "srun". You do 
> not do ssh from job host to job host, but rather use "parallel" as a 
> semaphore avoiding over subscription of job steps with "srun". I summarized 
> this approach here:
> 
> https://mogonwiki.zdv.uni-mainz.de/dokuwiki/start:working_on_mogon:workflow_organization:node_local_scheduling#running_on_several_hosts
>  (uh-oh - I need to clean up that site, many outdated sections there, but 
> this one should still be ok)
> 
> One advantage: you can safely utilize the resources of both (or more) hosts - 
> the master hosts and all secondaries. How much resources you require depends 
> on your application and the work it does. Be sure to consider I/O (e.g. 
> stage-in file to avoid random I/O with too many concurrent applications, 
> etc.), if this is an issue for your application.
> 
> Cheers
> 
> Christian
Christian,
My use of GNU parallel does not include ssh. Rather I simply fill the slurm  
node with —jobs=ncores 

Ole,
Is your suggestion that I should ssh back to my account and run the job?  
Pretty sure 2FA will get in the way. 

Thanks to you both,
rjs