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. 02, 2012
Filed:
Mar. 03, 2011
Hiroaki Akutsu, Yokohama, JP;
Takashige Iwamura, Yokohama, JP;
Kenta Ninose, Yokohama, JP;
Yasuo Watanabe, Machida, JP;
Yasutomo Yamamoto, Sagamihara, JP;
Yoshiaki Eguchi, Yokohama, JP;
Hisao Homma, Odawara, JP;
Hiroaki Akutsu, Yokohama, JP;
Takashige Iwamura, Yokohama, JP;
Kenta Ninose, Yokohama, JP;
Yasuo Watanabe, Machida, JP;
Yasutomo Yamamoto, Sagamihara, JP;
Yoshiaki Eguchi, Yokohama, JP;
Hisao Homma, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Availability of an information system including a storage system that performs remote copy between two or more storage apparatuses and a host computer using such storage system is improved. A third storage apparatus including a third volume is coupled to a first storage apparatus, a fourth storage apparatus including a fourth volume is coupled to a second storage apparatus, the first and third storage apparatuses perform remote copy of copying data stored in a first volume to the third volume, the first and second storage apparatuses perform remote copy of copying data stored in the first volume to a second volume, and the third and fourth storage apparatuses perform remote copy of copying data stored in the third volume to the fourth volume.