Sep 2 – 9, 2007
Victoria, Canada
Europe/Zurich timezone
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The Swiss ATLAS Grid

Sep 3, 2007, 8:00 AM
10h 10m
Victoria, Canada

Victoria, Canada

Board: 79
poster Computer facilities, production grids and networking Poster 1


Mr Sigve Haug (LHEP University of Bern)


Since 2005 the Swiss ATLAS Grid is in production. It comprises four clusters at one Tier 2 and two Tier 3 sites. About 800 heterogenous cores and 60 TB disk space are connected by a dark fibre network operated at 10 Giga bit per second. Three different operating systems are deployed. The Tier 2 cluster runs both LCG and NorduGrid middleware (ARC) while the Tier 3 clusters run only the latter. As local resource management systems both OpenPBS/Torque and Sun Grid Engine are used. In 2006 about 200 000 CPU hours of central ATLAS production were run on a smaller version of this infrastructure. Local users ran about 60 000 CPU hours for ATLAS physics studies. As end user tools ARC clients, ATLAS DQ2 software, ATLAS Ganga and a new graphical user interface are employed. With emphasis on the heterogenous solutions we report on the current and future infrastructure and usage of this part of the ATLAS grid.
Submitted on behalf of Collaboration (ex, BaBar, ATLAS) ATLAS

Primary authors

Mr Frederik Orellana (Niels Bohr Institute, Copenhagen) Mr Sigve Haug (LHEP University of Bern) Mr Szymon Gadomski (LHEP University of Bern)


Mr Allan Clark (DPNC Universite de Geneve) Mr Antonio Ereditato (LHEP University of Bern) Mr Borge Kile Gjelsten (LHEP University of Bern) Mr Cyril Topfel (LHEP University of Bern) Mr Hans Peter Beck (LHEP University of Bern) Mr Ignacio Aracena (LHEP University of Bern) Mr Till Eifert (DPNC Universite de Geneve)

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