Method and system for facilitating data recovery and version rollback in a storage device

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United States of America Patent

PATENT NO 11354200
APP PUB NO 20210397523A1
SERIAL NO

16904089

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Abstract

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One embodiment provides a system which facilitates organization of data. During operation, the system receives data associated with a logical block address (LBA) to be written to a non-volatile memory. The system stores, in a data structure, a mapping of a first physical block address (PBA) corresponding to the LBA to a first status for the data, wherein the first status indicates data validity and recovery being enabled for the data. Responsive to receiving a command to delete the data, the system modifies the first status to indicate data invalidity and recovery being enabled for the data. Responsive to receiving a command to recover the previously deleted data, the system modifies the first status to indicate data validity and recovery being enabled for the data.

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Patent Owner(s)

  • ALIBABA GROUP HOLDING LIMITED

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Shu Bothell, US 291 2861

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