Format and method for recording optimization

Details Format and method for recording optimization Format and method for recording optimization

1993-12-29

1996-01-16

Hajec, Donald

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 61, G11B 509, G11B 1512

Patent

active

054853214

ABSTRACT:
A performance optimized computer data recording media format and associated control logic method is disclosed. Localized data block recording, such as by concurrent parallel or serpentine recording techniques, is used to create a series of Virtual Volumes on a single physical volume. Physical localization of data blocks records is achieved which tends to minimize access time. Using the Virtual Volume construct, other industry standard data storage systems can be emulated. Many data storage operations requesting physical motion are translated into virtual motion which in turn results in significantly less physical motion than that requested, thereby reducing access times and media and drive apparatus wear.

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American National Standards Institute, "ANSI for Recorded Magnetic Tape for Information Interchange (800 CPI, NRZI)" Aug. 1983 pp. 6-14.
American National Standard Institute, "ANSI for Recorded Magnetic Tape for Information Interchange (1600 CPI, Phase Encoded)", Jan. 1986, pp. 7-14.

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