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:
Dec. 22, 2015
Filed:
Dec. 07, 2012
Fujitsu Limited, Kawasaki-shi, JP;
Kazuichi Oe, Yokohama, JP;
Kazutaka Ogihara, Hachioji, JP;
Yasuo Noguchi, Kawasaki, JP;
Tatsuo Kumano, Kawasaki, JP;
Masahisa Tamura, Kawasaki, JP;
Munenori Maeda, Yokohama, JP;
Ken Iizawa, Yokohama, JP;
Toshihiro Ozawa, Yokohama, JP;
Jun Kato, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A storage apparatus is provided, including a first storage unit; a load information obtaining unit that obtains load information for each of a plurality of portions defined by dividing the first storage unit; a portion identifying unit that identifies a candidate portion that is to be relocated in the first storage unit based on the load information; a determining unit that determines whether or not data in the candidate portion is allowed to be migrated to a second storage unit, the second storage unit having a performance value higher than a performance value of the first storage unit; an adder that adds the second storage unit, when the determining unit determines that the data in the candidate portion is not allowed to be migrated; and a relocation unit that migrates the data in the candidate portion from the first storage unit to the added second storage unit.