Patent ID: 11880579
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 6:
7. The storage device according to claim 5, wherein the first storage unit group comprises a first storage unit, and wherein the processor is further configured to receive a data write request, wherein the data write request is used to write data into a second storage unit, and a storage unit group to which the second storage unit belongs is different from the first storage unit group; and write the data into the first storage unit, and store a correspondence between an actual address of the data and a logical address of the first storage unit, and wherein the processor is further configured to:
update data access temperature of the first storage unit based on data access temperature of the second storage unit; and
obtain the data access temperature of the first storage unit group based on the updated data access temperature of the first storage unit.