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. 12, 2011
Filed:
Mar. 04, 2008
Joseph Roger Edwards, Rochester, MN (US);
Robert Edward Galbraith, Rochester, MN (US);
Adrian Cuenin Gerhard, Rochester, MN (US);
Timothy James Larson, LaCrosse, WI (US);
William Joseph Maitland, Jr., Rochester, MN (US);
Joseph Roger Edwards, Rochester, MN (US);
Robert Edward Galbraith, Rochester, MN (US);
Adrian Cuenin Gerhard, Rochester, MN (US);
Timothy James Larson, LaCrosse, WI (US);
William Joseph Maitland, Jr., Rochester, MN (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method, computer program product and computer system for maintaining write cache and parity update footprint coherency in a multiple storage adaptor configuration for storage adaptors in a storage subsystem, which includes providing atomic updating of the storage adaptors and the attached disk drives, enabling runtime addition and runtime subtraction of a storage adaptor in the multiple storage adaptor configuration, and maintaining write cache and parity update footprint coherency using atomic updating, runtime addition and runtime subtraction of a storage adaptor.