[Users] using PBS -V on kraken

[Erik Schnetter]

Roland

Which variable do you want to set? Did you try -V on Kraken? If it
works, then let's use it. Modifying the submit script or run script
would also work; no need to provide a generic solution if there's only
a single use case.

-erik

On Tue, Feb 21, 2012 at 7:45 PM, Roland Haas
<roland.haas at physics.gatech.edu> wrote:
> Hello all,
>
> I'd like to use PBS's -V switch (propagates environment settings to the
> qsub script) on Kraken (through simfactory2). Simfactory currently does
> not use this swich on Kraken. In fact NICS recommends against using -V
> (http://www.nics.tennessee.edu/computing-resources/kraken/running-jobs#Batch%20Scripts):
> --8<--
> Note:  Please do not use the PBS -V option. This can propagate large
> numbers of environment variable settings from the submitting shell into
> a job which may cause problems for the batch environment. Instead of
> using PBS -V, please pass only necessary environment variables using -v
> <comma_separated_list_of_ needed_envars>. You can also include module
> load statements in the job script.
> --8<--
> TACC on the other hand actually requires you to have the flag present
> (for the modules I presume). Did anyone every actually experience any
> issues with -V on Kraken?
>
> Mostly I would like to use the flag so that Cactus' $ENV{'...'}
> mechanism works without me having to modify the run/submission scripts
> by hand. Is there maybe a simfactory option to define extra environment
> variables (I only need one but would rather not hard-code it into the
> submission script and instead could add it to the submit call)?
>
> Yours,
> Roland
>
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-- 
Erik Schnetter <schnetter at cct.lsu.edu>   http://www.cct.lsu.edu/~eschnett/