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:
Aug. 22, 2006
Filed:
Sep. 13, 2004
Yuji Yagi, Yokohama, JP;
Motoaki Hirabayashi, Yokohama, JP;
Yuji Yagi, Yokohama, JP;
Motoaki Hirabayashi, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In one embodiment of the invention, a disk storage accessing system for enabling a plurality of computers to share and access a plurality of disk storages comprises a plurality of computers that refer to the disk storages. Each of the computers includes a counting module for counting a frequency of accesses to each of the disk storages, and a module for receiving an access path change command to change access paths for the computer to access a different disk storage according to the command. The system further comprises an instructing module for collecting and totaling a frequency of accesses to each disk storage, and for instructing the receiving module of a computer that accesses the copy source disk storage after receiving a report of copy completion, to change access paths so as to access a target disk storage instead of the copy source disk storage.