Göttingen 2012 – scientific programme

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T: Fachverband Teilchenphysik

T 76: Computing 1

T 76.2: Talk

Wednesday, February 29, 2012, 17:00–17:15, VG 0.111

ATLAS job distribution: Status and Evolution — •Rod Walker¹, Adil Aktas², Anton Gamel², Torsten Harenberg³, Sergey Kalinin³, Gen Kawamura⁴, Kai Leffhalm⁵, Joerg Meyer⁶, Andreas Petzold⁷, Cedric Serfon¹, Jan Erik Sundermann², and Guenter Duckeck¹ — ¹LMU Muenchen — ²U Freiburg — ³BU Wuppertal — ⁴U Mainz — ⁵Desy — ⁶U Goettingen — ⁷KIT Karlsruhe

We will first give an overview of the current status of ATLAS worldwide production and analysis, with the main focus on the german sites. We will then briefly present several recent or ongoing developments. An important issue is to maximize the available resources by using non-dedicated sites which have special constraints or do not provide the standard Grid setup. The manpower load for a site is very much reduced by not requiring a local storage element(SE), and we describe how sites can share a network-near SE. ATLAS software effectively demands a particular OS, and many shared sites will not provide this. We discuss how virtualization is being investigated to address this. Lastly, it is anticipated that an increasing amount of resources will be economically accessible via Cloud APIs - we present prototype usage of the StratusLab reference cloud.