US Patent 12093549 Method for managing data and storage device thereof

Disclosed are a method for managing data and a storage device thereof. The storage device includes at least one memory including a plurality of planes, each plane includes a plurality of blocks, and peer blocks in different planes are belonged to operate in a multi-plane mode. The plurality of blocks are detected to find a unavailable block. Then, available blocks corresponding to the unavailable block in planes other than the plane where the unavailable block is located are marked as backup blocks that do not operate in the multi-plane mode. A first block with effective data is selected from the plurality of blocks operating in the multi-plane mode. Data of the first block is moved to a backup block in the same plane.