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. 14, 2013
Filed:
Jun. 22, 2010
Toshiaki Takeuchi, Kawasaki, JP;
Masakazu Sakamoto, Kawasaki, JP;
Tetsuya Kinoshita, Kawasaki, JP;
Takuya Kurihara, Kawasaki, JP;
Jun Takeuchi, Kawasaki, JP;
Atsushi Shinohara, Kawasaki, JP;
Yusuke Kurasawa, Kawasaki, JP;
Toshiaki Takeuchi, Kawasaki, JP;
Masakazu Sakamoto, Kawasaki, JP;
Tetsuya Kinoshita, Kawasaki, JP;
Takuya Kurihara, Kawasaki, JP;
Jun Takeuchi, Kawasaki, JP;
Atsushi Shinohara, Kawasaki, JP;
Yusuke Kurasawa, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A apparatus for controlling a first storage and a second storage, has a controller for receiving a write command and a read command sent out from a host and for sending out the write command and the read command to the first storage and the second storage, a determining unit for sending out a request corresponding to the write command to the first storage and the second storage, for receiving a first response corresponding to the request from the first storage and a second response corresponding to the request from the second storage, and for determining one of the storages on the basis of each of response times, a first writing unit for writing data into the determined storage, and a second writing unit for writing the data written in the determined storage into the other storage after writing the data into the determined storage by the first writing unit.