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:
Apr. 08, 2014
Filed:
Aug. 01, 2011
Applicants:
Yuki Naganuma, Yokohama, JP;
Hirokazu Ikeda, Yamato, JP;
Wataru Okada, Yokohama, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 12/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An object of the present invention is to allocate a volume to an appropriate tier in a pool in accordance with the performance of the volume. Multiple tiersK are created in a poolB. A pool volume that matches the performance required by a tier is allocated to each tier. An information acquisition partD acquires information related to respective storage apparatuses, and information related to the performance of each volume. A tier control partE allocates a pool volume to any tier of the respective tiers, based on the performance information.