Patent ID: 11954350
Assignee: SK HYNIX INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A storage device comprising:
a memory device including a plurality of memory dies; and
a memory controller configured to receive data and a log related to a property of the data from an external host,
allocate, in the memory device and based on the log, a super block, in which the data is to be stored, and a physical zone in the super block, and
store information for the log of the data, which is stored in the physical zone, and information indicating a time point, at which the physical zone is switched to a full state,
wherein the memory controller is further configured to control, according to a number of physical zones of an empty state, the memory device to perform garbage collection by selecting a victim physical zone based on the information for the log and the information indicating the time point, and
wherein a physical zone of the full state is full of data stored therein and a physical zone of the empty state has no data stored therein.