Disk array apparatus including a management unit for selecting o

Details Disk array apparatus including a management unit for selecting o Disk array apparatus including a management unit for selecting o

1997-07-29

1999-02-23

Chan, Eddie P.

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

711171, 711168, G06F 1202

Patent

active

058754598

ABSTRACT:
A disk array apparatus employs portable optical disk. The apparatus determines whether a file should be concentrated recorded in a single optical disk or distributively recorded among a plurality of disks, in accordance with the amount of that file. With respect to an often-accessed file, the apparatus records it among a number of optical disks, or makes a duplicate copy of the file and stores the duplicate copy in an optical disk different from the optical disk containing the often-accessed file. Since the often-accessed file is handled in this manner, the apparatus enables efficient file management and permits a file to be accessed at high speed.

REFERENCES:
patent: 5459853 (1995-10-01), Best et al.
patent: 5463765 (1995-10-01), Katuta et al.
Nikkei Computer (Mar. 9, 1992).
Patterson, et al: A Case for Redundant Arrays of Inexpensible Disks (RAID); ACM: Association for Computing Machinery., pp. 109-116, --1988--.

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