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. 06, 2013
Filed:
Mar. 28, 2011
Kenji Kobayashi, Kawasaki, JP;
Hideo Takahashi, Kawasaki, JP;
Norihide Kubota, Kawasaki, JP;
Atsushi Igashira, Kawasaki, JP;
Hidejirou Daikokuya, Kawasaki, JP;
Kazuhiko Ikeuchi, Kawasaki, JP;
Chikashi Maeda, Kawasaki, JP;
Kenji Kobayashi, Kawasaki, JP;
Hideo Takahashi, Kawasaki, JP;
Norihide Kubota, Kawasaki, JP;
Atsushi Igashira, Kawasaki, JP;
Hidejirou Daikokuya, Kawasaki, JP;
Kazuhiko Ikeuchi, Kawasaki, JP;
Chikashi Maeda, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A storage apparatus has a plurality of storage media including each storage area in which a stripe is set extending over the storage area of the plurality of storage media. An access unit that writes a format data into the storage area, wherein when the plurality of storage media are formatted, the access unit writes an unformatted-state identifier indicating incompletion of formatting into at least a portion of storage area to be included in the stripe, or when the storage area to be included in the stripe is accessed for writing new data, the access unit reads out existing data stored in the storage area included in the stripe to be accessed. And when the unformatted-state identifier is detected from the existing data that has been read out, the access unit writes the new data or the format data to be written by formatting into the storage area.