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. 11, 2017
Filed:
Jul. 15, 2015
Hgst Netherlands B.v., Amsterdam, NL;
David Robison Hall, Rochester, MN (US);
Mark Andrew Jerde, Rochester, MN (US);
WESTERN DIGITAL TECHNOLOGIES, INC., Irvine, CA (US);
Abstract
Methods for deciding whether to store data in a non-volatile memory (NVM) storage portion of a hybrid drive including the NVM storage portion and a disk storage portion are provided. One such method involves generating a queue for storing candidate addresses and a priority level for each of the candidate addresses, receiving a read command and a range of addresses for the disk storage portion, determining a relative distance between reads of a first address corresponding with a second address within the range of addresses, storing, when the relative distance is less than a relative distance threshold, a first candidate address, corresponding to the second address, and a respective priority level in the queue, and storing, when the priority level of the first candidate address is greater than a priority level threshold, data corresponding to the first candidate address in the NVM storage portion.
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