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. 18, 2017
Filed:
Sep. 29, 2015
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Xinlei Xu, Beijing, CN;
Liam Xiongcheng Li, Beijing, CN;
Jian Gao, Beijing, CN;
Vamsi Vankamamidi, Brookline, MA (US);
Jigang Wang, Beijing, CN;
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
Described are techniques for cache management that may include determining whether to flush dirty cached data included in a flash disk cache. Caching layer may include the flash disk cache as a secondary cache and another cache as a primary cache. Responsive to determining to flush dirty cache data from the flash disk cache, first processing may be performed that includes flushing dirty cached pages from the flash disk cache to one or more physical storage devices. The dirty cached pages may include data from a plurality of logical addresses of a first device. The logical address may be sorted and included in a sorted list. Flushing may include writing the plurality of dirty cached pages in an ordering in accordance with the sorted list.