/[pdpsoft]/trunk/nl.nikhef.pdp.wn-env/README
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Revision 2553 - (hide annotations) (download)
Fri Jun 22 15:22:31 2012 UTC (10 years, 1 month ago) by janjust
File size: 1422 byte(s)
First version of WLCG Worker Node Environment scripts


1 janjust 2553 The wlcg-wn-env-{pbs,torque} packages consists of a set of scripts to set up
2     the $JOBFEATURES file. This file is generated by the the prologue.user script
3     and contains the following information:
4     jobstart=<job start time>
5     cpu_limit=<maximum CPU limit available, in seconds>
6     wall_limit=<maximum walltime limit available, in seconds>
7     A job can calculate the remaining wall time doing
8     now() - $jobstart + $wall_limit
9    
10    
11     The purpose of each of the files in this packages is:
12     - prologue.user : set up the $JOBFEATURES file
13     - epilogue.user : clean up the $JOBFEATURES file
14     - wlcg-wn-env.conf : configuration file
15     - wlcg-wn-env.sh : set the environment variable JOBFEATURES
16    
17     The wlcg-wn-env.conf can be used to change the default location of the
18     $JOBFEATURES file. If this config file is missing the scripts default to
19     ${TMPDIR:-/tmp}/jobfeatures.${PBS_JOBID}
20    
21     There is no wlcg-wn-env.csh script as the JOBFEATURES environment variable
22     is inherited by from the PBS wrapper scripts, which are bash-based.
23    
24    
25     The only difference between the wlcg-wn-env-pbs and wlcg-wn-env-torque packages
26     is the location of the 'mom_priv' directory. For older version of the PBS/Torque
27     client (up to v2.3) the mom_priv directory was found under
28     /var/spool/pbs/mom_priv
29     With the EPEL packaged version of the Torque 2.5 client this was changed to
30     /var/torque/mom_priv.
31    
32     --
33     Jan Just Keijser - janjust@nikhef.nl
34     Nikhef
35     Amsterdam
36    

grid.support@nikhef.nl
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