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Performance analysis of RAID-5 disk arrays

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1 Author(s)
O. A. Panfilov ; NCR Corp., Colorado Springs, CO, USA

The impact of major I/O system parameters on the performance of RAID-5 disk array systems is described in this paper. It is shown that the system throughput is a nonlinear function of the number of disks per rank, number of ranks in the system, compounded data rate of SCSIs installed between a host and a controller, the size of a controller buffer, the way files are striped across individual disks, and the application dependent read/write ratio

Published in:

System Sciences, 1995. Proceedings of the Twenty-Eighth Hawaii International Conference on  (Volume:1 )

Date of Conference:

3-6 Jan 1995