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.

Date of Patent:
Aug. 10, 2010

Filed:

Aug. 31, 2007
Applicants:

Tetsuya Kinoshita, Kawasaki, JP;

Toshitaka Yanagisawa, Kawasaki, JP;

Takaaki Yamato, Kawasaki, JP;

Toshiaki Takeuchi, Kawasaki, JP;

Jun Takeuchi, Kawasaki, JP;

Atsushi Shinohara, Kawasaki, JP;

Yusuke Kurasawa, Kawasaki, JP;

Inventors:

Tetsuya Kinoshita, Kawasaki, JP;

Toshitaka Yanagisawa, Kawasaki, JP;

Takaaki Yamato, Kawasaki, JP;

Toshiaki Takeuchi, Kawasaki, JP;

Jun Takeuchi, Kawasaki, JP;

Atsushi Shinohara, Kawasaki, JP;

Yusuke Kurasawa, Kawasaki, JP;

Assignee:

Fujitsu Limited, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

The storage virtualization switch is capable of correctly designating a virtual target when a host computer accesses the virtual target. A dummy virtual target, which corresponds to a virtual target, is put into an effective state after the virtual target is put into the ineffective state when the virtual target is put into the ineffective state, and the virtual target is put into an effective state after the dummy virtual target, which corresponds to the virtual target, is put into the ineffective state when the virtual target is put into the effective state.


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