DATA STORAGE AND OPERATING METHOD THEREOF

摘要

Data storage is provided which includes a nonvolatile memory device including a plurality of memory blocks divided into a first region being an over provisioning region and a second region, and a storage controller allocating at least one memory block, corresponding to an unconcerned sector, from among memory blocks of the second region to the first region. It may be possible to adjust the number of reserved memory blocks in the over provisioning region.

主权项

1. A data storage device comprising:
a nonvolatile memory device including a plurality of memory blocks divided into a first region which is an over provisioning region and a second region for storing data; and a storage controller configured to allocate at least one memory block, corresponding to an unconcerned sector, from among memory blocks of the second region to the first region, wherein the first and second regions are distinct from one another.