System and method for detecting write errors in a storage...

Details System and method for detecting write errors in a storage... System and method for detecting write errors in a storage...

2008-03-13

2008-12-09

Britt, Cynthia (Department: 2117)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S758000, C714S723000, C365S201000

Reexamination Certificate

active

07464322

ABSTRACT:
A system for detecting write errors in a storage device is disclosed. The system includes a storage device having means for storing one or more data blocks in a storage group. The storage group includes one or more data blocks and a check block having one of the group of: a combination of the one or more data blocks of the storage group, a combination of one or more bits of a logical block address associated with the storage group, and a combination of one or more bits of a phase field that is updated each time the storage group is written. The system also includes means for updating the check block each time the storage group is written, and means for detecting write errors by checking the check block when a storage group is read.

REFERENCES:
patent: 5455942 (1995-10-01), Mohan et al.
IBM Technical Disclosure Bulletin NB83045889 “Partial Data Page Write Detection” vol. 25 Issue 11B p. 5889 Publication Date Apr. 1, 1983 (19830401).

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