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:
Jan. 24, 2012
Filed:
Sep. 16, 2008
Masahiro Arai, Kawasaki, JP;
Ikuya Yagisawa, Tokyo, JP;
Yoichi Mizuno, Yokohama, JP;
Naoto Matsunami, Hayama-machi, JP;
Masahiro Arai, Kawasaki, JP;
Ikuya Yagisawa, Tokyo, JP;
Yoichi Mizuno, Yokohama, JP;
Naoto Matsunami, Hayama-machi, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
To provide a storage apparatus in which a plurality of drives in a unit are separately treated and the unit can be easily exchanged for another unit even when RAID groups are freely composed. The storage apparatus includes a plurality of drive cases in each of which a plurality of units are detachably mounted, each of the units including a plurality of drives that are detachably, and a controller case in which a disk control section is provided, wherein the disk control section comprises a RAID group creation section for creating a RAID group using the plurality of disks and an exchange indicating section for giving a notice that a unit is ready to exchange after rebuilding or copying of data in disks included in the unit at the time of exchange of the unit.