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

Claim 2:
3. The method according to claim 1, wherein the first storage unit group comprises a first storage unit, and the method further comprises:
receiving, by the storage device, 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;
writing, by the storage device, the data into the first storage unit, and storing a correspondence between an actual address of the data and a logical address of the first storage unit; and
wherein the obtaining the data access temperature of the first storage unit group comprises:
updating, by the storage device, data access temperature of the first storage unit based on data access temperature of the second storage unit; and
obtaining, by the storage device, the data access temperature of the first storage unit group based on the updated data access temperature of the first storage unit.