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:
Mar. 08, 2016
Filed:
Mar. 31, 2014
Applicant:
Emc Corporation, Hopkinton, MA (US);
Inventors:
Walter A. O'Brien, III, Westborough, MA (US);
Steven D. Sardella, North Grafton, MA (US);
Assignee:
EMC Corporation, Hopkinton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 11/16 (2006.01); G06F 11/20 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1666 (2013.01); G06F 11/2069 (2013.01); G06F 11/2058 (2013.01);
Abstract
A method performed by a storage system includes a first storage processor performing input/output (IO) requests on a first one or more logical units, and a second storage processor performing IO requests on a second one or more logical units. If the first storage processor fails, the third storage processor performs the IO requests on the first one or more logical units. If the second storage processor fails, the fourth storage processor performing the IO requests on the second one or more logical units.