Method of recovering reallocation sectors in data storage...

Details Method of recovering reallocation sectors in data storage... Method of recovering reallocation sectors in data storage...

2005-09-15

2009-02-03

Duncan, Marc (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07487388

ABSTRACT:
A reallocation sector recovering system and method reducing a number of reallocation sectors by selectively recovering reallocation sectors, and a disc drive implementing the same. The reallocation sector recovering method in a data storage system may include determining whether a predetermined processing condition of a reallocation recovering process has been satisfied, reading data from reallocation sectors using reallocation list information and rewriting the data in original sectors corresponding to the reallocation sectors, respectively. The process may further include determining whether the data rewritten on the original sectors has successfully been read without generation of a reallocation condition, such that, if the data is successfully read without generation of the reallocation condition, the reallocation sectors may be substituted by the original sectors, respectively, and information of the reallocation sectors may be deleted from the reallocation list information.

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