Title :
Comment on "Issues and challenges in the performance analysis of real disk arrays"
Author :
Thomasian, A. ; Chang Liu
Author_Institution :
Dept. of Comput. Sci., New Jersey Inst. of Technol., Newark, NJ, USA
Abstract :
We address an analysis of the SCAN disk scheduling, which approximates the mean seek distance as the ratio of maximum distance and disk/spl I.bar/queue+1. We also comment on using the mean seek distance to estimate the mean disk response time.
Keywords :
file organisation; scheduling; SCAN disk scheduling; performance analysis; real disk arrays; Analytical models; Computer errors; Databases; Delay; Disk drives; Distributed computing; Performance analysis; Robustness; Throughput; Disk scheduling; SCAN; SPTF; performance analysis.;
Journal_Title :
Parallel and Distributed Systems, IEEE Transactions on
DOI :
10.1109/TPDS.2005.132
