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. 20, 2014
Filed:
Feb. 04, 2009
Takuya Kurihara, Kawasaki, JP;
Masakazu Sakamoto, Kawasaki, JP;
Toshiaki Takeuchi, Kawasaki, JP;
Atsushi Shinohara, Kawasaki, JP;
Takuya Kurihara, Kawasaki, JP;
Masakazu Sakamoto, Kawasaki, JP;
Toshiaki Takeuchi, Kawasaki, JP;
Atsushi Shinohara, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A virtualization switch connected to a host computer and a plurality of physical storage devices includes a plurality of communication line connection terminals and storage virtualizing unit allowing the host computer to recognize a storage area generated by combining some or all of storage areas of the plurality of physical storage devices as a virtual storage device, a plurality of copy process unit copying data in the storage area, and control unit controlling a copy process operation by assigning copy sessions based on instructions from the host computer to the plurality of copy process unit. When the number of copy process units is larger than number of copy sessions, the control unit performs control to distribute part of a copy process in the one or copy process units that are currently performing the copy process to the one or more copy process units that are not performing the copy process.