Methods and apparatus for controlling access to a recording disk

Details Methods and apparatus for controlling access to a recording disk Methods and apparatus for controlling access to a recording disk

1996-10-21

1998-01-13

Hindi, Nabil

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

G11B 700

Patent

active

057086320

ABSTRACT:
A method and apparatus for controlling the access to a recording disk which determines a skew so that a rotational delay time at an average distance of movement when a head accesses the recording disk is minimized. The methods and apparatus determine the position of a data block on the recording disk based on at least the determined skew, schedules an order of a plurality of input disk access requests so that an amount of movement of the head becomes small at the time of access with respect to the recording disk by the head, and the head accesses the recording disk based on the result of the scheduling.

REFERENCES:
patent: 5274507 (1993-12-01), Lee

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