Patent ID: 11960753
Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A data storage device, comprising:
a memory device, wherein the memory device is arranged into a first super device having a first plurality of active zones and a second super device having a second plurality of active zones; and
a controller coupled to the memory device, the controller configured to:
set a first threshold value for a number of cold zones in the first super device, wherein a cold zone is a zone that is overwritten less than a hot zone;
set a second threshold value for a number of cold zones in the second super device;
determine that the first super device has at least one cold zone greater than the first threshold value;
determine that the second super device has at least one cold zone less than the second threshold value; and
move data from at least one cold zone from the first super device to a zone in the second super device to effectively move the at least one cold zone from the first super device to the second super device.