[Wien] cleaning up scratch dir

[Peter Blaha]

It is the expected behaviour.

Of course, it would be easy to remove such files on the local SCHRATCH 
directory. However, in many cases you may run such calculations on 
different nodes (and thus different local scratch directories), while 
eg. on the frontend, where you "clean", there are no such files anyway.

If you are running only "locally" (eg. on your own PC), there is hardly 
any benefit of using a SCRATCH directory and I would set it to "./".

Thus at least "in general", there is no way one can clean the actually 
used scratch, because you may not know on which machine the calculations 
were done.

PS: We have a cron-job on all our nodes, which deletes automatically all 
files older than 4 weeks on scratch (find command).

Regards

Am 23.07.2020 um 15:37 schrieb Luc Fruchter:
> Dear all,
> 
> I am running parallel k-points over several nodes, which run fine (19.1 
> version).
> However, I have defined local scratch directories on nodes to reduce 
> file transfers (defining the scratch variable in .bashrc), as recommended.
> I see that .vector files accumulate there at each case run. I would 
> expect that the scratch dir be cleaned, for instance using "clean_lapw", 
> but the only way to clean up these accumulating files seems to remove 
> them by hand. Is this the expected behavior for the scratch dir files ?
> 
> Thanks
> 
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Peter BLAHA, Inst.f. Materials Chemistry, TU Vienna, A-1060 Vienna
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