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:
Apr. 15, 2008

Filed:

Sep. 16, 2005
Applicants:

Kenji Onabe, Odawara, JP;

Koji Arai, Odawara, JP;

Atsushi Ishikawa, Odawara, JP;

Inventors:

Kenji Onabe, Odawara, JP;

Koji Arai, Odawara, JP;

Atsushi Ishikawa, Odawara, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A storage control system comprises a first controller connected through a first access route to a first storage; a second controller connected through a second access route to a second storage device; a third controller connected through a third access route to the first storage device; and a fourth controller connected through a fourth access route to the second storage device. For example, if the access destination in accordance with the access instruction received from the host device is the second storage device, the first controller outputs an access request to the second controller. The second controller accesses the second storage device through the second access route in accordance with this access request.


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