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:
Sep. 25, 2012
Filed:
Mar. 12, 2009
Masahisa Tamura, Kawasaki, JP;
Yasuo Noguchi, Kawasaki, JP;
Kazutaka Ogihara, Kawasaki, JP;
Yoshihiro Tsuchiya, Kawasaki, JP;
Tetsutaro Maruyama, Kawasaki, JP;
Riichiro Take, Kawasaki, JP;
Seiji Toda, Kawasaki, JP;
Masahisa Tamura, Kawasaki, JP;
Yasuo Noguchi, Kawasaki, JP;
Kazutaka Ogihara, Kawasaki, JP;
Yoshihiro Tsuchiya, Kawasaki, JP;
Tetsutaro Maruyama, Kawasaki, JP;
Riichiro Take, Kawasaki, JP;
Seiji Toda, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
In a system management apparatus, a failure detection unit detects a readout failure in one of blocks constituting distributed data stored in a first RAID disk array. A request unit requests a computer to supplement one of the blocks of the distributed data stored in the first RAID disk array in which a readout failure irrecoverable by use of only the data stored in the first RAID disk array occurs, where the computer has a second RAID disk array storing a duplicate of the distributed data stored in the first RAID disk array. And an overwriting unit receives data corresponding to the one of the blocks from the computer, and overwrites the one of the blocks with the received data.