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:
Jan. 10, 2012
Filed:
Feb. 25, 2008
Applicant:
Haruki Masuda, Yokohama, JP;
Inventor:
Haruki Masuda, Yokohama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A storage access device, which issues an I/O request (input/output request) to a logical unit provided by one or more storage systems, holds association information showing that a plurality of logical volumes corresponding to a plurality of logical units, which belong to the same copy-set, are associated. In the storage access device, the respective associated logical volumes shown by this association information are allocated to a virtual device, and the virtual device is provided to an application.