Am 14.05.2013 um 18:17 schrieb Riccardo Murri: > Hi, > > On 14 May 2013 09:05, Reuti <re...@staff.uni-marburg.de> wrote: >> >> Am 14.05.2013 um 01:26 schrieb Riccardo Murri: >> >>> is there a prolog-like script that gets executed before a task spawned >>> by qrsh (as part of a parallel job) is run? The usual prolog is only >>> run on the master node at the start of the job, but I'm trying to >>> intercept instances of `qrsh -V` spawned by OpenMPI's `mpiexec`. >> >> Why? > > To workaround the multi-line environment variables bug that's still > present in OGE 6.2u8. > (But I ended up using QRSH_WRAPPER for that purpose.)
Why is it necessary to run the prolog as root for this purpose? -- Reuti >> In the prolog of the PE you could program a loop across all granted nodes by >> using a `qrsh -inherit -V ...` to all nodes therein to make some >> preparations. > > I'm now doing this: > > HOSTS=$( cut -d' ' -f1 $PE_HOSTFILE | fgrep -v $(hostname -s) ) > for host in $HOSTS; do > qrsh -inherit -V $host $RUNSCRIPT | grep -q "failed" > # ... react on failure > done > > but apparently `execd` does not allow me to qrsh from the prolog: > > error: executing task of job 2648607 failed: execution daemon on > host "r01c04b04n02" didn't accept task > > anything wrong with my use of `qrsh`? > > Thanks, > Riccardo > > -- > Riccardo Murri > http://www.gc3.uzh.ch/people/rm > > Grid Computing Competence Centre > University of Zurich > Winterthurerstrasse 190, CH-8057 Zürich (Switzerland) > Tel: +41 44 635 4222 > Fax: +41 44 635 6888 > _______________________________________________ users mailing list users@gridengine.org https://gridengine.org/mailman/listinfo/users
