Bonn 2010 – scientific programme

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T: Fachverband Teilchenphysik

T 74: Grid-Computing I

T 74.3: Talk

Wednesday, March 17, 2010, 14:30–14:45, HG II

dCache at the German WLCG Tier-1 — Verena Geißelmann, Silke Halstenberg, •Christopher Jung, Xavier Mol, and Doris Ressmann — Karlsruhe Institute of Technology, Steinbuch Centre for Computing, Eggenstein-Leopoldshafen

The GridKa computing center at the Karlsruhe Institute for Technology is the German WLCG Tier-1 center for all four LHC experiments. In addition, the center supports several D-Grid VOs and a few non-LHC high energy physics VOs.

The storage system is managed by dCache, which has been jointly developed by DESY and FNAL. At GridKa, the dCache tape connection is managed by IBM's Tivoli Storage Manager. The dCache storage system allows fast and reliable storage and retrieval of data; it supports several protocols, e.g. SRM and gsiftp.

The presentation focuses on experiences gained since the start of data taking at the LHC and will also treat monitoring of the storage system.