Method for re-assigning data, apparatus for recording data...

Details Method for re-assigning data, apparatus for recording data... Method for re-assigning data, apparatus for recording data...

2007-02-06

2007-02-06

Beausoliel, Robert W (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S006130, C714S042000, C714S054000, C711S162000, C710S005000

Reexamination Certificate

active

10639019

ABSTRACT:
Data difficult to be written to a target sector (write) of a hard disk is recorded to a MRAM. The target sector (write) to which the write has been difficult is checked in a background of performing data write to the next target sector (write). When there is no error, the data stored in the MRAM is written to the target sector (write) of the hard disk. When there is any error, the data stored in the MRAM is written to an alternative sector of the hard disk. Data difficult to be read from a target sector (read) of the hard disk is recorded to the MRAM. The target sector (read) from which the read has been difficult is checked in a background of performing data read from the next target sector (read). When there is any error, the data stored in the MRAM is written to an alternative sector of the hard disk.

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