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Upgrading and Expanding Lustre Storage for use with the WLCG

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Published under licence by IOP Publishing Ltd
, , Citation D P Traynor et al 2017 J. Phys.: Conf. Ser. 898 062004 DOI 10.1088/1742-6596/898/6/062004

1742-6596/898/6/062004

Abstract

The Queen Mary University of London Grid site's Lustre file system has recently undergone a major upgrade from version 1.8 to the most recent 2.8 release, and a capacity increase to over 3 PB. Lustre is an open source, POSIX compatible, clustered file system presented to the Grid using the StoRM Storage Resource Manager. The motivation and benefits of upgrading including hardware and software choices, are discussed. The testing, performance improvements and data migration procedure are outlined as is the source code modifications needed for StoRM compatibility. Benchmarks and real world performance are presented and future plans discussed.

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10.1088/1742-6596/898/6/062004