DATA BACKUP METHOD AND DEVICE THEREOF
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United States of America Patent
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Issued Date -
Apr 9, 2015
app pub date -
Jul 22, 2014
filing date -
Oct 8, 2013
priority date (Note) -
Abandoned
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Abstract
A data backup method and device for a NAND storage unit are provided. The method includes determining whether a portion of data stored in the NAND storage unit is critical data in compliance with a predetermined backup rule, and backing up the critical data if the data is the critical data. Through the provided method and device, the present invention solves the problem of wasting the storage space caused by backing up the data without distinguish the data.
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