Patent ID: 11875055
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. A storage device comprising:
a nonvolatile memory including a first region and a second region;
a buffer memory; and
a controller coupled to the nonvolatile memory and the buffer memory and configured to receive a write request and user data and metadata from an external device, and to store the user data in the first region of the nonvolatile memory and store the metadata in the second region of the nonvolatile memory, wherein:
the metadata describes attributes of the user data, and the user data includes target data,
when the target data has non-consecutive physical addresses in the first region of the nonvolatile memory, the controller is configured to update the metadata such that the target data is stored to have consecutive physical addresses in the first region of the nonvolatile memory,
the controller is configured to transmit the updated metadata to an external device during an idle time of the external device,
wherein the attributes of the user data described by the metadata include at least one of a file name, a created date, a last modified date, a last accessed date, a file type and a file size, and
the controller is further configured to determine whether the user data is hot data or cold data based on at least one of the attributes of the user data described by the metadata.