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:
Sep. 19, 2006
Filed:
Jun. 25, 2004
Naoto Kawasaki, Yokohama, JP;
Yasufumi Uchiyama, Yokohama, JP;
Naoto Kawasaki, Yokohama, JP;
Yasufumi Uchiyama, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
To provide an computer system including a storage system that includes a logical device logically set in a physical device, an host computer that requests the storage system for a data input/output, and a management device that manages information of components of the storage system, the host computer requesting a data input/output via a logical path serving as a communication paths with the logical device and, the some of the host computer restricted to send the data input/output request to the logical device, wherein the management device includes an information acquisition module that acquires the information of the components in the storage system, and a judging module that selects a logical device to move based on a number of logical paths set on the logical devices and a number of communication counterpart devices set through effective logical paths in the information acquired by the information acquisition module.