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Lhep at 11:16, 9 November 2009

2009-11-09T11:16:47Z

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'''To do only once :'''

* Assumes that you have compiled and tested your Athena code locally.
* Then, copy your package on lxplus (on the scratch to avoid quota issues. see https://twiki.cern.ch/twiki/bin/view/Atlas/GangaTutorial5, https://twiki.cern.ch/twiki/bin/view/Atlas/GangaShortTutorial5 and http://www-hep2.fzu.cz/twiki/bin/view/ATLAS/AthenaRelated to see how to setup Athena and Ganga on lxplus)

* Create a Load.Athena function in your profile script (below, what I put in .zshrc ) :

function Load.Athena {
echo "Example : Load.Athena 15.3.1,setup,32"
source ${HOME}/cmthome/setup.sh -tag=$*
shift
}

* Create a Load.Ganga function in your profile script (below, what I put in .zshrc ) :
function Load.Ganga {
echo "Loading Ganga Environment"
echo "Your LFC host:" ${LFC_HOST}
# automatic LXPLUS Ganga setup
source /afs/cern.ch/sw/ganga/install/etc/setup-atlas.sh $*
}

'''To do each time you want to use ganga :'''
* From your home directory : Load.Athena 15.3.1,setup,32
cd $TestArea/<path/to/analysis/package>/cmt
source setup.sh
cd ../run
Load.Ganga

and edit a ganga joboption as follows :

j = Job()
j.name='LCG_SU3' # the name you want
j.application=Athena()
j.application.atlas_release = '15.3.1.6' # or anything else release
j.application.exclude_from_user_area=["*.o","*.root*","*.exe"]
j.application.prepare_old(athena_compile=True) # if need to use your own unofficial package
j.application.option_file = 'Analysis_common_gangaTopOption.py' # joboption defining the common definition, useful when want to run the same code on many datasets
j.application.max_events=-1
j.inputdata = DQ2Dataset()
j.inputdata.dataset="mc08.105403.SU3_jimmy_susy.merge.AOD.e352_s462_r635_t53/" # your dataset
j.outputdata=DQ2OutputDataset()
j.outputdata.datasetname='105403.SU3._t53_v2' # the name of your production
j.outputdata.outputdata=['Analysis.aan.root']
j.backend=LCG() # run on LCG because all datasets not available on nordugrid
j.backend.requirements=AtlasLCGRequirements()
j.backend.requirements.cloud = 'FR' # or anything else :-)
j.splitter=DQ2JobSplitter()
j.splitter.numsubjobs=2
j.submit()

SCRIPT FOR RUNNING ON REMOTE DATASETS - Revision history

Lhep: 1 revision imported

Lhep at 11:16, 9 November 2009