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:
Jul. 01, 2014
Filed:
Jan. 30, 2013
Katsuo Mogi, Odawara, JP;
Koji Nagata, Kaisei, JP;
Shoji Kodama, Sagamihara, JP;
Ikuya Yagisawa, Machida, JP;
Katsuo Mogi, Odawara, JP;
Koji Nagata, Kaisei, JP;
Shoji Kodama, Sagamihara, JP;
Ikuya Yagisawa, Machida, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
This storage controller providing a volume for storing data transmitted from a host system includes a management unit for managing the data written in the volume with a first block area, or a second block area in the first block area which is smaller than the first block area; a snapshot acquisition unit for acquiring a snapshot of the volume at a prescribed timing; and a transfer unit for transferring the data of the volume acquired with the snapshot of the snapshot acquisition unit to an external device with the first block area or the second block area.