Patent ID: 11966608
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. An operating method of a memory controller for controlling a memory device comprising a plurality of blocks, the operating method comprising:
copying user data stored in a first block from among the plurality of blocks of a redundant array of inexpensive disks (RAID) to a normal region other than a deterioration region of another block from among the plurality of blocks, based on deterioration information indicating a location of the deterioration region in the plurality of blocks;
copying parity data of the RAID among the data stored in the first block to the deterioration region of the another block; and
updating mapping information between data constituting the RAID and transmitting the mapping information to the memory device,
wherein the deterioration information comprises information regarding one or more word lines at specific locations included in the deterioration region in the plurality of blocks.