18991064. ELECTRONIC DEVICE INCLUDING STORAGE DEVICE AND CONTROLLER AND OPERATING METHOD THEREOF (SK hynix Inc.)
ELECTRONIC DEVICE INCLUDING STORAGE DEVICE AND CONTROLLER AND OPERATING METHOD THEREOF
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ELECTRONIC DEVICE INCLUDING STORAGE DEVICE AND CONTROLLER AND OPERATING METHOD THEREOF
This abstract first appeared for US patent application 18991064 titled 'ELECTRONIC DEVICE INCLUDING STORAGE DEVICE AND CONTROLLER AND OPERATING METHOD THEREOF
Original Abstract Submitted
A storage device includes: a nonvolatile storage area for storing a plurality of map segments including information of one or more map entries representing mapping information between a logical address provided by an external device and a physical address corresponding to the logical address; a volatile storage area for temporarily storing journal data including information that keeps track of changes to the mapping information to enable for updating the mapping information; and a controller in communication with the nonvolatile storage area and the 10 volatile storage area and configured to count a number of first map segments that store the updated mapping information, and updating the mapping information in the nonvolatile storage area according to a ratio of a number of logical addresses included in the journal data and the number of first map segments.
