Fermilab Computing Division

CS Document 492-v1

Distributed Filesystem Evaluation and Deployment at the US-CMS Tier-1 Center

Document #:
CS-doc-492-v1
Document type:
Conference
Submitted by:
Marcia A Teckenbrock
Updated by:
Hans Wenzel
Document Created:
20 Sep 2004, 15:02
Contents Revised:
21 Sep 2004, 16:50
Metadata Revised:
21 Sep 2004, 16:50
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CS-doc-492-v0
20 Sep 2004, 18:24
Abstract:
The scalable serving of shared filesystems across large clusters of computing resources continues to be a difficult problem in high energy physics computing. The US CMS group at Fermilab has performed a detailed evaluation of hardware and software solutions to allow filesysystem access to data from computing systems.

The goal of the evaluation was to arrive at a solution that was able to meet the growing needs of the US-CMS Tier-1 facility. The system needed to be scalable and be able to grow with the increasing size of the facility, load balanced and with high performance for data access, reliable and redundant with protection against failures, and manageable and supportable given a reasonable level of effort.

Over the course of a one year evaluation the group developed a suite of tools to analysis performance and reliability under load conditions, and then applied these tools to evaluations systems at Fermilab. In this presentation we will describe the suite of tools developed, the results of the evaluation process, the system and architecture that were eventually chosen, and the experience so far supporting a user community.

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Associated with Events:
CHEP2004 held from 27 Sep 2004 to 01 Oct 2004 in Interlaken, Switzerland
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