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:
May. 31, 2011
Filed:
Feb. 04, 2008
Applicant:
Hiroyuki Tanaka, Fujisawa, JP;
Inventor:
Hiroyuki Tanaka, Fujisawa, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 13/00 (2006.01); G06F 13/28 (2006.01); G06F 9/26 (2006.01); G06F 9/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
The management server performs a release/non-release selection determining whether or not to release all of the real storage areas assigned to a virtual volume switched from a used target to an unused target. The management server exercises control to determine whether or not to release all of the real storage areas assigned to the specified virtual volume in accordance with the result of the release/non-release selection.