Method of reading data out of a disk with reducing the number of

Details Method of reading data out of a disk with reducing the number of Method of reading data out of a disk with reducing the number of

1998-08-21

2000-09-19

Edun, Muhammad

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 58, 369 47, G11B 700

Patent

active

061222356

ABSTRACT:
A method is for executing a read retry process to reread data out of a data recording medium when a read error occurs on reading the data out of the data recording medium in accordance with a read address. A host computer detects whether or not a previous retry exists in concern to the read address. The host computer executes a read retry in accordance with a predetermined one of first through N-th retry parameters when the previous retry does not exist in concern to the read address, where N represents a positive integer which is greater than one. The host computer executes a read retry in accordance with a specific one of the first through the N-th retry parameters that is selected on the basis of a predetermined order, when the previous retry exists in concern to the read address. The host computer produces the number of read retry successes in connection to each of the first through the N-th retry parameters. The host computer interchanges the predetermined order into a changed order which has the first through the N-th retry parameters arranged in order of the number of successes. The changed order is used as the predetermined order.

REFERENCES:
patent: 5684765 (1997-11-01), Matsumoto et al.
patent: 5999506 (1999-12-01), Shoji et al.
patent: 6032276 (2000-02-01), Tomishima

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