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. 12, 2013
Filed:
Jun. 28, 2011
Jun Nakajima, Kawasaki, JP;
Daisuke Shinohara, Yokohama, JP;
Yuri Hiraiwa, Sagamihara, JP;
Nobuyuki Osaki, Yokohama, JP;
Nobuhiro Maki, Yokohama, JP;
Takayuki Nagai, Machida, JP;
Jun Nakajima, Kawasaki, JP;
Daisuke Shinohara, Yokohama, JP;
Yuri Hiraiwa, Sagamihara, JP;
Nobuyuki Osaki, Yokohama, JP;
Nobuhiro Maki, Yokohama, JP;
Takayuki Nagai, Machida, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
This invention provides a system including a computer and a storage-subsystem comprising at least either a first storage area for storing data sent from the computer or a second storage area to be associated with the first storage area, for storing replicated data of data stored in the first storage area. This system includes a replication processing status referral unit for referring to a replication processing status of data of the first storage area and the second storage area to be associated, and an output unit for outputting first performance information concerning data I/O stored in the first storage area, and outputting second performance information concerning data I/O stored in the second storage area together with the first performance information when the replicated data is being subject to replication processing from the first storage area to the second storage area as a result of referring to the replication processing status.