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:
May. 01, 2012
Filed:
Feb. 11, 2009
Koutarou Sasage, Kawasaki, JP;
Kenichi Fujita, Kawasaki, JP;
Atsushi Masaki, Kawasaki, JP;
Akira Satou, Kawasaki, JP;
Hiroshi Shiomi, Kawasaki, JP;
Koutarou Sasage, Kawasaki, JP;
Kenichi Fujita, Kawasaki, JP;
Atsushi Masaki, Kawasaki, JP;
Akira Satou, Kawasaki, JP;
Hiroshi Shiomi, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A method for controlling a storage system having first and second switches and a storage device connected to the switches via a network in response to a request from a host, the storage device having first and second areas, each of the first and second switch accessing to the first and second area, the method includes, receiving a request for copying data stored in the first area to the second area from the host, transmitting initiation notification of the copying to the second switch, executing the copying by the first switch, maintaining progress status of the copying, controlling the second switch to refer to the progress upon receiving a request for access to the first or second area by the host before completion of the copying, and determining whether to permit access to the first or second area by the second switch.