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:
Oct. 20, 2015
Filed:
Jul. 25, 2012
Hidejirou Daikokuya, Kawasaki, JP;
Kazuhiko Ikeuchi, Kawasaki, JP;
Chikashi Maeda, Kawasaki, JP;
Takeshi Watanabe, Kawasaki, JP;
Norihide Kubota, Kawasaki, JP;
Atsushi Igashira, Yokohama, JP;
Kenji Kobayashi, Kawasaki, JP;
Ryota Tsukahara, Kawasaki, JP;
Hidejirou Daikokuya, Kawasaki, JP;
Kazuhiko Ikeuchi, Kawasaki, JP;
Chikashi Maeda, Kawasaki, JP;
Takeshi Watanabe, Kawasaki, JP;
Norihide Kubota, Kawasaki, JP;
Atsushi Igashira, Yokohama, JP;
Kenji Kobayashi, Kawasaki, JP;
Ryota Tsukahara, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A disk array device includes hard disks from which RAID groups are configured. Therein, a volume setting unit sets one or more used areas. A data check control unit determines, on the basis of the state into which the used areas have been set, which areas in the RAID groups are subject to a diagnosis. A data check execution unit that executes a cyclical diagnosis on the areas determined, by the data check control unit, to be those subject to a diagnosis.