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. 13, 2010
Filed:
Feb. 25, 2005
Ikuya Yagisawa, Tokyo, JP;
Takeki Okamoto, Odawara, JP;
Naoto Matsunami, Hayama, JP;
Mikio Fukuoka, Odawara, JP;
Toshio Nakano, Chigasaki, JP;
Kenichi Takamoto, Odawara, JP;
Akira Yamamoto, Sagamihara, JP;
Ikuya Yagisawa, Tokyo, JP;
Takeki Okamoto, Odawara, JP;
Naoto Matsunami, Hayama, JP;
Mikio Fukuoka, Odawara, JP;
Toshio Nakano, Chigasaki, JP;
Kenichi Takamoto, Odawara, JP;
Akira Yamamoto, Sagamihara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Disclosed is storage system, that is, an array-type disk apparatus which is provided with an error monitor section which monitors the status of error occurrence in a disk drive and instructs initiation of mirroring between the disk drive and a spare disk drive when the number of errors occurred of the disk drive exceeds a specified value, and a mirror section which performs mirroring between the disk drive and spare disk drive. Storage system, that is, the array-type disk apparatus may be provided with an error monitor section which monitors the status of error occurrence in a disk drive and gives such an instruction as to set the status of the disk drive in a temporary blocked state, and a data restoring section which executes data restoration by reading data from the temporary blocked disk drive when reading from another disk drive constituting a disk array group is not possible during data restoration.