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. 01, 2014
Filed:
Apr. 27, 2010
Kazuhiro Murata, Odawara, JP;
Hisaharu Takeuchi, Odawara, JP;
Junichi Muto, Odawara, JP;
Akihiro Mori, Odawara, JP;
Kazue Jindo, Odawara, JP;
Kazuhiro Murata, Odawara, JP;
Hisaharu Takeuchi, Odawara, JP;
Junichi Muto, Odawara, JP;
Akihiro Mori, Odawara, JP;
Kazue Jindo, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Each actual page inside a pool is configured from a plurality of actual tracks, and each virtual page inside a virtual volume is configured from a plurality of virtual tracks. A storage control apparatus of a mainframe system has management information that includes information denoting a track in which there exists a user record, which is a record including user data (the data used by a host apparatus of a mainframe system). Based on the management information, a controller identifies an actual page that is configured only from tracks that do not comprise the user record, and cancels the allocation of the identified actual page to the virtual page.