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. 26, 2016
Filed:
Mar. 31, 2011
David W. Harvey, Newton Centre, MA (US);
H. Austin Spang, Iv, Hopkinton, MA (US);
Gregory S. Schaffer, Berlin, MA (US);
David F. Winchell, Harvard, MA (US);
David W. Harvey, Newton Centre, MA (US);
H. Austin Spang, IV, Hopkinton, MA (US);
Gregory S. Schaffer, Berlin, MA (US);
David F. Winchell, Harvard, MA (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
A method and system for use in managing enhanced write caching is disclosed. In at least one embodiment, the method and system comprises performing write-back caching operations using a write cache of a storage processor of a data storage system. A first cache page corresponding to a disk location is provided in the write cache. A host is allowed to write to a second cache page in the write cache corresponding to the same disk location. Both the first and second cache pages are maintained after acknowledging the write to the host.