Hard disk data recovery method, apparatus, and system

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United States of America Patent

PATENT NO 9424141
APP PUB NO 20140298087A1
SERIAL NO

14307141

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Abstract

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This invention discloses a hard disk data recovery method, apparatus, and system. The method includes: recording a logical block address corresponding to erroneous data if an error is discovered when data is read from the hard disk; performing a recovery operation for data at a first physical block address corresponding to the logical block address according to a preset algorithm to obtain recovered data; and sending an instruction of writing the recovered data into the logical block address to the hard disk so that the hard disk writes the recovered data into the logical block address according to the instruction, where the logical block address corresponds to a remapped second physical block address. Therefore, the method repairs an erroneous sector or a bad block of the hard disk quickly and improves efficiency of repairing the erroneous sector of the hard disk or the bad block of the hard disk.

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Patent Owner(s)

Patent OwnerAddress
HUAWEI TECHNOLOGIES CO LTD518129 BANTIAN HUAWEI HEADQUARTERS OFFICE BUILDING LONGGANG DISTRICT GUANGDONG SHENZHEN SHENZHEN CITY GUANGDONG PROVINCE 518129

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Yansong Shenzhen, CN 67 215

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