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METHOD AND SYSTEM FOR FACILITATING DATA RECOVERY AND VERSION ROLLBACK IN A STORAGE DEVICE
METHOD AND SYSTEM FOR FACILITATING DATA RECOVERY AND VERSION ROLLBACK IN A STORAGE DEVICE
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机译:用于促进存储设备中的数据恢复和版本回滚的方法和系统
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摘要
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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