Disk Arm Movement in Anticipation of Future Requests

Abstract

When a disk drive's access arm is idle, it may not be at the ideal location. In anticipation of future requests, movement to some other location may be advantageous. The effectiveness of anticipatory disk arm movement is explored. Various operating conditions are considered, and the reduction in seek distances and request response times is determined for… (More)
DOI: 10.1145/99926.99930

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