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. 14, 2015
Filed:
Apr. 05, 2013
Emc Corporation, Hopkinton, MA (US);
Tao Tao, Cambridge, MA (US);
Harold M. Sandstrom, Belmont, MA (US);
Helen S. Raizen, Jamaica Plain, MA (US);
Michael E. Bappe, Loveland, CO (US);
Edith Epstein, Arlington, MA (US);
Santhosh Venkatesh Kudva, Karnataka, IN;
Eric I. West, Brighton, MA (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
Described are techniques for upgrading a driver. A driver is installed which includes an upgrade facility, a base driver and a first set of one or more driver extension modules for processing input/output operations for one or more devices. Processing is performed to upgrade the driver using the upgrade facility. The processing includes loading one or more upgrade modules associated with a second version of said driver and performing cutover processing for each of the one or more devices.