DATA BACKUP METHOD AND DEVICE THEREOF
First Claim
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1. A data backup method for a NAND storage unit, the method comprising:
- determining whether a portion of data stored in the NAND storage unit is critical data in compliance with a predetermined backup rule; and
if the data is the critical data, backing up the critical data.
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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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Citations
20 Claims
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1. A data backup method for a NAND storage unit, the method comprising:
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determining whether a portion of data stored in the NAND storage unit is critical data in compliance with a predetermined backup rule; and if the data is the critical data, backing up the critical data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A data backup device for a NAND storage unit, comprising:
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a determining module, arranged for determining whether a portion of data stored in the NAND storage unit is critical data in compliance with a predetermined backup rule; and a backup module, arranged for backing up the critical data if the data is the critical data. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification