Abstract
Sophisticated disk scheduling algorithms require accurate, detailed disk drive specifications, including data about mechanical delays, on-board caching and prefetching algorithms, command and protocol overheads, and logical-to-physical block mappings. Comprehensive disk models used in storage subsystem design require similar levels of detail. We describe a suite of general-purpose algorithms and techniques for acquiring the necessary information from a SCSI disk drive. Using only the ANSI-standard interface, we demonstrate how the important parameter values of a modern SCSI drive can be determined accurately and efficiently.
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CITATION STYLE
Worthington, B. L., Ganger, G. R., Patt, Y. N., & Wilkes, J. (1995). On-line extraction of SCSI disk drive parameters. In Proceedings of the 1995 ACM SIGMETRICS Joint International Conference on Measurement and Modeling of Computer Systems, SIGMETRICS 1995/PERFORMANCE 1995 (pp. 146–156). Association for Computing Machinery, Inc. https://doi.org/10.1145/223587.223604
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