Method and system for separate data and media maintenance within

Details Method and system for separate data and media maintenance within Method and system for separate data and media maintenance within

1994-06-20

1995-11-14

Envall, Jr., Roy N.

Excavating

371 464, H03M 1300

Patent

active

054673615

ABSTRACT:
The present application may be utilized for enhanced maintenance of data stored on storage media within a data processing system storage subsystem. Data to be stored is first subdivided into multiple blocks and subblocks, segments or tracks. Each subdivision of data is then analyzed and appropriate logical Error Correction Codes (ECC) are calculated and inserted into the data at selected locations to permit certain data errors to be corrected by subsequent processing. Thereafter, the data and associated logical Error Correction Codes (ECC) are then coupled to a head/disk assembly within a storage subsystem. A physical Error Correction Code (ECC) logic circuit is then utilized to analyze the data and logical Error Correction Codes (ECC) and appropriate physical Error Correction Codes (ECC) are then calculated and inserted into the data at selected locations in response to the storage of the data and logical Error Correction Codes (ECC) within the storage media. Maintenance of the storage media and data may then be separately accomplished utilizing independent logical and physical Error Correction Code (ECC) circuits which operate separately upon the logical and physical Error Correction Codes (ECC) wherein media defects will not necessarily result in a loss of all data present within the defective media segment.

REFERENCES:
patent: 3964056 (1976-06-01), Charpentier et al.
patent: 4092732 (1978-05-01), Ouchi
patent: 4608688 (1986-08-01), Hansen et al.
patent: 4667326 (1987-05-01), Young et al.
patent: 4761785 (1988-08-01), Clark et al.
patent: 4825403 (1989-04-01), Gershenson et al.
patent: 4942579 (1990-07-01), Goodlander et al.
patent: 4993030 (1991-02-01), Krakaner et al.
patent: 5051887 (1991-09-01), Berger et al.
patent: 5058115 (1991-10-01), Blake et al.
patent: 5072378 (1991-12-01), Monka
patent: 5140592 (1992-08-01), Idleman et al.
patent: 5283791 (1994-02-01), Halford
D. Patterson et al., "A Case for Redundant Arrays of Inexpensive Disks (RAID)" pp. 109-116.
Garth A. Gibson, "Performance and Reliability in Redundant Arrays of Inexpensive Disks", pp. 381-391.
The Interpreter "Competition Heats Up in Growing Fault-Tolerant Computer Marker", Mini-Micro Systems, Jan. 1994.
James A. Katzman, Tandem Computers "The Tandem 16: A Fault-Tolerant Computing System", Chapter 29, 1977, pp. 470-485.

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