München 2009 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 68: GRID Computing 1

T 68.9: Vortrag

Montag, 9. März 2009, 19:10–19:25, M110

dCache data storage system implementations at a Tier-2 centre — •Oleg Tsigenov, Andreas Nowack, and Thomas Kreß — III. Physikalisches Institut B, RWTH Aachen

The experimental high energy physics groups of the RWTH Aachen University operate one of the largest Grid Tier-2 sites in the world and offer more than 2000 modern CPU cores and about 550 TB of disk space mainly to the CMS experiment and to a lesser extent to the Auger and Icecube collaborations.Running such a large data cluster requires a flexible storage system with high performance. We use dCache for this purpose and are integrated into the dCache support team to the benefit of the German Grid sites. Recently, a storage pre-production cluster has been built to study the setup and the behavior of novel dCache features within Chimera without interfering with the production system. This talk will give an overview about the practical experience gained with dCache on both the production and the testbed cluster and will discuss future plans.