F. Chau & Associates, LLC
Storage device for improving journal replay, operating method thereof, and electronic device including the storage device
A storage device includes a nonvolatile memory including a main meta data area and a journal area, and a controller. The controller updates an address mapping table including a plurality of page mapping entries divided into a plurality of segments by executing a flash translation layer (FTL) stored in a working memory, stores updated page mapping entries of the plurality of page mapping entries in the journal area as journal data, and stores the plurality of segments, each having a size smaller than a physical page of the nonvolatile memory, in the main meta data area.
SAMSUNG ELECTRONICS CO., LTD.
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Junghoon Seonghun
Kim Kim