Method of managing bad storage region of memory device and storage device using the method
AssigneeSamsung Electronics Co., Ltd.
InventorsYeong-jae WOO, Dong-gi LEE, Dong-hyun SONG, Jin-hyuk LEE
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Abstract
A method of managing a bad storage region of a memory device may include detecting a bad page of a selected data block that has failed in one of a program operation, a read operation, and an erase operation on the memory device; and performing a mapping process so that the detected bad page is excluded from a storage region to which data is to be programmed, wherein remaining pages of the selected data block excluding the bad page are allowed to be used as a storage region in a garbage collection operation.
Claims19
A method of managing a bad storage region of a memory device, the method comprising:
- detecting a bad page of a selected data block that has failed in one of a program operation, a read operation, and an erase operation on the memory device;
- and
- performing a mapping process so that the detected bad page is excluded from a storage region to which data is to be programmed, wherein remaining pages of the selected data block excluding the bad page are allowed to be used as a storage region in a garbage collection operation.
A storage device comprising:
- a memory device configured to store data;
- and
- a memory controller configured to perform mapping so that a bad page of a selected data block for which a program fail, a read fail, or an erase fail occurred in the memory device is excluded from a storage region to which data is to be programmed, and so that remaining pages of the selected data block excluding the bad page are reused as the storage region in a garbage collection operation.
A method of managing a memory device, the method comprising:
- identifying one or more bad pages for which a failed memory access operation occurred in the memory device from among a plurality of pages of a data block;
- allocating space within the data block by designating only data pages, from among the plurality of data pages, which have not been identified as one of the one or more bad pages as free pages available to store data.
Dependencies are inferred from the claim text.