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:
Nov. 28, 2006
Filed:
Jan. 29, 2004
Koji Uchida, Kawasaki, JP;
Takaaki Saito, Kawasaki, JP;
Mikio Ito, Kawasaki, JP;
Kazuma Takatsu, Kawasaki, JP;
Hidejirou Daikokuya, Kawasaki, JP;
Akihito Kobayashi, Kawasaki, JP;
Kazuhiko Ikeuchi, Kawasaki, JP;
Sanae Kamakura, Kawasaki, JP;
Shinichi Nishizono, Kawasaki, JP;
Koji Uchida, Kawasaki, JP;
Takaaki Saito, Kawasaki, JP;
Mikio Ito, Kawasaki, JP;
Kazuma Takatsu, Kawasaki, JP;
Hidejirou Daikokuya, Kawasaki, JP;
Akihito Kobayashi, Kawasaki, JP;
Kazuhiko Ikeuchi, Kawasaki, JP;
Sanae Kamakura, Kawasaki, JP;
Shinichi Nishizono, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A storage control apparatus concatenates a plurality of logical units to construct a large capacity logical unit, wherein logical units extending over a plurality of controllers can be concatenated. The channel adapter sends an I/O request to one controller which charges one logical unit constituting the concatenation logical unit, out of a plurality of controllers when an I/O request is sent from a host to the concatenation logical unit LU linking a plurality of logical units, executes I/O processing in the one controller, then sends the I/O request to another controller which charges another logical unit constituting the concatenation logical unit, and continues I/O processing in the another controller.