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:
Apr. 07, 2015
Filed:
Nov. 02, 2011
Vikram Joshi, Los Gatos, CA (US);
Yang Luan, San Jose, CA (US);
Michael F. Brown, Campbell, CA (US);
Hrishikesh A. Vidwans, San Jose, CA (US);
Vikram Joshi, Los Gatos, CA (US);
Yang Luan, San Jose, CA (US);
Michael F. Brown, Campbell, CA (US);
Hrishikesh A. Vidwans, San Jose, CA (US);
Intelligent Intellectual Property Holdings 2 LLC, Wilmington, DE (US);
Abstract
A multi-level cache comprises a plurality of cache levels, each configured to cache I/O request data pertaining to I/O requests of a different respective type and/or granularity. The multi-level cache may comprise a file-level cache that is configured to cache I/O request data at a file-level of granularity. A file-level cache policy may comprise file selection criteria to distinguish cacheable files from non-cacheable files. The file-level cache may monitor I/O requests within a storage stage, and may service I/O requests from a cache device.