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. 25, 2014
Filed:
Aug. 06, 2010
Misako Kono, Yokohama, JP;
Nobuhiro Maki, Yokohama, JP;
Hironori Emaru, Yokohama, JP;
Masayasu Asano, Yokohama, JP;
Junichi Hara, Sagamihara, JP;
Misako Kono, Yokohama, JP;
Nobuhiro Maki, Yokohama, JP;
Hironori Emaru, Yokohama, JP;
Masayasu Asano, Yokohama, JP;
Junichi Hara, Sagamihara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Operation of an environment that supports both host-based replication and array-based replication is realized. According to the present invention, data in the first storage area is copied first to the second storage area using an array-based replication engine. In this case, the execution result of the replication is managed using a flag from which the copy timing can be known. In addition, data in the first storage area is copied to the third storage area using a host-based replication engine, and further, data in the third storage area is copied to the fourth storage area. Then, when data in the second storage area is restored to the first storage area, data in the fourth storage area is returned to the third storage area so that the third storage area has data of the same time as the second storage area (see).