Tier 2:GRIF

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GRIF.jpg

  • Scientific Project Leader : Jean-Pierre Meyer (CEA-IRFU)
  • Technical Project Leader : Michel Jouvin (LAL)

GRIF(Grille Recherche en Ile de France) is a Tier2 project started by IRFU (CEA, Saclay), LAL (IN2P3, Orsay) and LPNHE (IN2P3, Paris6) beginning of 2005. IPNO (IN2P3, Orsay) and LLR (Ecole Polytechnique, Palaiseau) joined the project during fall 2005. This is a collaborative effort to provide Tier2 for all the LHC experiments for simulation and analysis.


  • LCG Grid Operations Centre's entry for this site: GRIF (access granted by LCG user certficate)
  • Supported LHC VOs: Alice, Atlas, CMS, LHCb
  • LCG Information System Monitor for this site: GRIF

DAPNIA TESTS LECTURE/ECRITURE DISKSERVERS

Utilisation de lmdd et de bonnie

http://ovh.dl.sourceforge.net/sourceforge/lmbench/lmbench-3.0-a5.tgz

http://www.textuality.com/bonnie/bonnie.tar.gz


Ecriture : 125 MB/s

Lecture : 140 MB/s


Exemple des commandes passées

bin/x86_64-linux-gnu/lmdd if=internal of=/dapnia/test_perf bs=1M count=12500 fsync=1

bin/x86_64-linux-gnu/lmdd of=internal if=/dapnia/test_perf fsync=1

./Bonnie -d /dapnia -s 12500

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