Patent ID: 8381018
Filing Date: 2013-02-19
Classification: G06F

Abstract:
1. A method for data recovery, wherein a memory comprises a plurality of pages for data storage, a random access memory stores flash-translation-layer (FTL) data according to a mapping relationship between logical addresses and physical addresses of the pages, and the memory stores a previous version of the FTL data, comprising: obtaining first data from a host; selecting a first page for storing the first data from the pages of the memory; storing a start page link indicating the first page in the memory; writing the first data, a first page link indicating a next page, and first FTL fragment data corresponding to the first page into the first page; obtaining next data from the host; and writing the next data, a next page link indicating a subsequent page, and FTL fragment data corresponding to the next page into the next page.