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.:

US 7716440 B1

PDF
Full Text
Expired
Date of Patent:
May. 11, 2010

Filed:

Jan. 27, 2006
Applicant:

Dai Taninaka, Odawara, JP;

Inventor:

Dai Taninaka, Odawara, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 13/00 (2006.01); G06F 13/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

This storage system has a first disk array device for providing a first volume that stores data transmitted from a host system, a second disk array device for providing a second volume that is virtualized with the first disk array device, and a management terminal for managing the first disk array device; wherein the first disk array device includes a first management unit for managing volume information of the virtualized volume that was virtualized in the first disk array device by being mapped with the second volume; and a first transmission unit for transmitting, based on an external operation, the volume information of the virtualized volume managed with the first management unit to the management terminal; and wherein the management terminal includes a second management unit for managing the volume information of the virtualized volume transmitted from the first transmission unit.


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