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:
Oct. 15, 2013
Filed:
Apr. 09, 2012
Nobuhiro Maki, Yokohama, JP;
Hiroshi Yamamoto, Yokohama, JP;
Nobuhiro Maki, Yokohama, JP;
Hiroshi Yamamoto, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Storage arrangements including copy information holding correspondence of copy pairs formed from first and second and from first and third logical volumes, as copy groups concerned with a sequence of write data in the computer; and path remote copy relevant information indicating, for each copy group, correspondence of: logical paths; physical paths including the first, second and third storage ports; and take-over path information concerning a relevant path between the second and third logical volumes, needed for the take-over copy pair to take-over the remote copying when failure occurs in the first storage system, and wherein when the management system receives failure information designating a certain path indicated within the take-over path information, a management system determines and displays, by referring to the path remote copy relevant information, copy groups affected by the failure of the certain path.