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:
Jul. 01, 2025
Filed:
Apr. 14, 2022
Western Digital Technologies, Inc., San Jose, CA (US);
Anamika Choudhary, Bangalore, IN;
Lovish Singla, Bangalore, IN;
Sandisk Technologies, Inc., Milpitas, CA (US);
Abstract
Storage devices include a memory array comprised of a plurality of memory devices. These memory devices typically have a plurality of metadata associated with them in addition to the data stored within. This metadata may include a timestamp indicating when the last host command, such as a read or write command, was processed on each of the memory devices. Using this timestamp metadata, the storage device can classify data based on how long it has been since last processed. Once known, the storage device can process memory devices that have not been processed after a certain period of time. This processing can include avoiding wear leveling, transferring data to an external cloud service, or compressing data, among others. During processing, such as compaction, timestamps associated with the data stored in each memory device can be transferred or otherwise associated with any destination memory device, thereby preserving the generated data classifications.