The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 02, 2023
Filed:
Aug. 25, 2021
Western Digital Technologies, Inc., San Jose, CA (US);
Ravishankar Surianarayanan, Bangalore, IN;
Matias Bjorling, Copenhagen, DK;
Western Digital Technologies, Inc., San Jose, CA (US);
Abstract
A data storage device includes a memory device and a controller coupled to the memory device. The memory device includes a plurality of super devices. The controller is configured to set a free space threshold value for amount of free space that each super device of the plurality of super devices can have, determine that at least one super device of the plurality of super devices is at or above the free space threshold, determine that cold zones are disposed in more than one super device of the plurality of super devices, move data from the cold zones to a first super device of the plurality of super devices wherein after moving the data, all super devices are below the free space threshold, and allocate all new super blocks among the plurality of super devices without allocating any new super blocks to the first super device.