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:
Aug. 12, 2014
Filed:
Aug. 27, 2012
Takashi Kawada, Yokohama, JP;
Yoshinari Shinozaki, Kawasaki, JP;
Hidenori Yamada, Kita, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A storage system includes a first storage unit, a second storage unit and a controller to receive a write request for updated data to a first storage unit from the host and write the updated data into the first storage area, when the controller determines that there is not a free area in a storage area to be processed in the second storage unit, the controller changes the storage area to be processed to another storage area to be processed and instructs change of a storage area to be processed to another storage system to be connected to the host, and the controller reads the updated data from the first storage unit and transmits the updated data and writing destination information relating to the updated data to another storage system for backup.