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Open Access research with a European policy impact...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the European Policies Research Centre (EPRC).

EPRC is a leading institute in Europe for comparative research on public policy, with a particular focus on regional development policies. Spanning 30 European countries, EPRC research programmes have a strong emphasis on applied research and knowledge exchange, including the provision of policy advice to EU institutions and national and sub-national government authorities throughout Europe.

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RAID 6 hardware acceleration

Gilroy, Michael and Irvine, J. and Atkinson, R.C. (2011) RAID 6 hardware acceleration. ACM Transactions in Embedded Computing Systems, 10 (4). ISSN 1539-9087

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Abstract

Inexpensive, reliable hard disk storage is increasingly required in both businesses and the home. As disk capacities increase and multiple drives are combined in one system the probability of multiple disk failures increases. Through the adoption of RAID 6 the capability to recover from up to two simultaneous disk failures becomes available. In this paper, we present three different RAID 6 implementations each tailored to support different target applications and optimised to reduce overall hardware resource utilisation. We present an optimal Reed-Solomon based RAID 6 implementation for arrays of four disks. We also present the smallest in terms of hardware resource utilisation as well has the highest throughput RAID 6 hardware solution for disk arrays of up to 15 drives. Finally, we present an implementation supporting up to 255 disks in a single array.