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. 16, 2010
Filed:
Feb. 23, 2006
Tetsuya Shirogane, Odawara, JP;
Kenichi Tsukiji, Yokohama, JP;
Tetsuya Ohno, Zama, JP;
Naoto Matsunami, Hayama, JP;
Tetsuya Shirogane, Odawara, JP;
Kenichi Tsukiji, Yokohama, JP;
Tetsuya Ohno, Zama, JP;
Naoto Matsunami, Hayama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The invention provides a communication control method for switching paths at high speed to switch storages without a special path switching means in a host computer, without stopping an application or without changing settings, and a device for realizing the same. The present computer system comprises a host computer, a storage devicesconnected via a networkto the host computer, and a name server, wherein the host computerhas a function to search for an alternate path when a defect is discovered in a path used for connection with the storage, and the storage devicehas a target communicating with the host computerthrough a port, a registration change means for changing a registered address associated with the registration of a migration source target registered in the name serverto an address of a migration destination port, and a means for disconnecting all communication means established with the migration source target subsequent to the registration change process.