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. 03, 2015
Filed:
Jul. 19, 2012
Kozo Ikegami, Yokohama, JP;
Takashi Yokoyama, Yokohama, JP;
Kozo Ikegami, Yokohama, JP;
Takashi Yokoyama, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A live migration process between different locations is realized without migrating data stored in a storage area to another location. A network device, which is included in each of locations, for coupling to another one of the locations, the network device stores a program for realizing an access processing module for managing accesses, and coupling management information for managing a coupling relationship between the plurality of virtual machines and the plurality of storage areas, and wherein the access processing module is configured to: receive a notification to start a live migration process, refer to the coupling management information to identify a port for accessing a storage area allocated to a virtual machine; acquire an address of a transfer destination device to which an access request is transferred; generate conversion information; and control the access request based on the conversion information.