Terabyte IDE RAID-5 Disk Arrays
D. A. Sanders, L. M. Cremaldi, V. Eschenburg, R. Godang, C. N. Lawrence, C. Riley, D. J. Summers, D. L. Petravick
Abstract
High energy physics experiments are currently recording large amounts of data and in a few years will be recording prodigious quantities of data. New methods must be developed to handle this data and make analysis at universities possible. We examine some techniques that exploit recent developments in commodity hardware. We report on tests of redundant arrays of integrated drive electronics (IDE) disk drives for use in offline high energy physics data analysis. IDE redundant array of inexpensive disks (RAID) prices now are less than the cost per terabyte of million-dollar tape robots! The arrays can be scaled to sizes affordable to institutions without robots and used when fast random access at low cost is important.
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