Bonn 2010 – scientific programme

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T: Fachverband Teilchenphysik

T 75: Grid-Computing II

T 75.1: Talk

Thursday, March 18, 2010, 16:45–17:00, HG ÜR 9

ATLAS Computing at the GridKa Tier-1 Centre — •Torsten Harenberg¹, Andrzej Olszewski², Simon Nderitu³, Rodney Walker⁴, Günter Duckeck⁴, Cedric Serfon⁴, Gen Kawamura⁵, Kai Leffhalm⁶, and Jan Erik Sundermann⁷ — ¹Bergische Universität Wuppertal, Fachgruppe Physik, Gaußstr. 20, D-42097 Wuppertal — ²Institute of Nuclear Physics, ul. Radzikowskiego 152, PL-31-342 Krakow — ³Physikalisches Institut, Universität Bonn, Nussallee 12, D-53115 Bonn — ⁴Ludwig-Maximilians-Universität, Fachgruppe Physik, Am Coulombwall 1, D-5748 Garching — ⁵Johannes-Gutenberg-Universität, Institut für Physik, Saarstr. 21, D-55122 Mainz — ⁶DESY Zeuthen, Platanenallee 6, D-15738 Zeuthen — ⁷Albert-Ludwigs-Universität Freiburg, Physikalisches Institut, Hermann-Herder-Str. 3, D-79104 Freiburg

Computing in ATLAS is organized in so-called clouds lead by a Tier-1 centre. For the "DECH" cloud covering Germany, Poland, the Czech republic, Austria and Switzerland (without CERN) this is the GridKa computing centre at the Steinbuch Centre for Computing (FZK/KIT) in Karlsruhe. The Tier-1 provides crucial services for data management and production, which have been developed and extensively tested during the last years. After the start of the LHC, these tools have to prove their reliability. The talk present the operation of the Tier-1 centre from the ATLAS point of view with an emphasis on the performance of and the experience gained from distributing and processing the first ATLAS data. Also an overview of the current status and progress in the other areas will be given.