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LHCb planning for DataGRID testbed0. Eric van Herwijnen Thursday, 10 may 2001. Overview. Information & organization Testbed0 Procedure for participating institutes: Planning of tests: admin Planning of tests: what to test Planning of tests: how to do it Status so far Timescale.

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lhcb planning for datagrid testbed0

LHCb planning for DataGRID testbed0

Eric van Herwijnen

Thursday, 10 may 2001

overview
Overview
  • Information & organization
  • Testbed0
  • Procedure for participating institutes:
    • Planning of tests: admin
    • Planning of tests: what to test
    • Planning of tests: how to do it
  • Status so far
  • Timescale
information and organization
Information and organization

Mailing list:

CVS repository:

  • to get Java production tools:
    • cvs -d $NEWCVSROOT co GRID/productiontools
  • to get the DataGRID LHCb installation kits:
    • cvs -d $NEWCVSROOT co GRID/installationkits
  • to get sample script and .dat files:
    • cvs -d $NEWCVSROOT co GRID/scripts
testbed0
Testbed0
  • Objective: deploy basic Globus services and test them
procedure for participating institutes
Procedure for participating institutes
  • CERN, Lyon, Marseille, RAL, INFN Bologna, Liverpool, Edinburgh, Imperial, Nikhef
  • others interested please contact me
planning of tests admin
Planning of tests: admin
  • Complete your entry in previous table and contact me (find out exactly what your local testbed0 is from local WP6 contact)
  • Decide which tests you want to do (e.g. Submit jobs from Bologna to Liverpool)
  • Get a national Grid certificate following the procedure on http://marianne.in2p3.fr
  • Get local accounts on the testbeds that you want to test
  • WP6 will add people to Grid map files
planning of tests what to test
Planning of tests: what to test
  • Objective:
    • run bb-bar inclusive generation and reconstruction job via Globus
    • if possible send data to CERN
    • update the bookkeeping database
  • For sites wishing to become part of LHCb production:
    • installation of java production tools
    • automate file transfer to CERN
planning of tests how to do it
Planning of tests: how to do it
  • Check out GRID files from cvs repository
  • uncompress (gunzip *.tar.z) and untar (tar -xvf *.tar) the installation kits
  • run the bbincl.job script, modify it until it works (don’t worry about java to start with)
  • when it works, do e.g.:
    • globus-job-submit csflnx01.rl.ac.uk/jobmanager-pbs bbincl.job
  • try to recover output with other globus commands or ftp by hand
  • to install production tools (requires servlet runner) contact me
status so far
Status so far
  • RAL CSF and CERN testbed0 integrated with LHCb production tools
  • Jobs with 5 events run fine
  • Larger jobs can be run one at a time, problems with gass_cache under investigation
  • Problems interfacing to pbs (jobs always end up in M queue)
  • Problems with using sh or csh
timescale
Timescale
  • Tests of testbed0 should be done before september 2001 (testbed1 release)
  • LHCb Grid meeting Bologna 13-15 june 2001
    • progress on testbed0 tests
    • security issues for testbed1
    • LHCb analysis model
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