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:
Jun. 02, 2015
Filed:
Oct. 30, 2012
Hitachi, Ltd., Tokyo, JP;
Wataru Okada, Yokohama, JP;
Masaaki Iwasaki, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The present invention comprises a management computer which exchanges information with storage apparatuses and host computers of primary sites and a secondary site via a management network and which manages a data processing performance and a data processing status of each of the sites, wherein, when any of the primary sites is subject to disaster, the management computer selects a normal primary site for which a data transfer time of a restoration target application is within a recovery time objective as a restoration site which possesses processing performance for restoring the application, and remote-copies restoration copy data, which exists at the secondary site, to the storage apparatus of the primary site selected as the restoration site, via a data network.