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:
Nov. 18, 2014
Filed:
Oct. 31, 2012
Hitachi, Ltd., Tokyo, JP;
Tomohiko Hasegawa, Odawara, JP;
Tsutomu Sukigara, Kanagawa, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Provided is straightforward management of licenses which are assigned to virtual storage spanning a plurality of physical storage. In a storage systemwhich provides virtual storage spanning a plurality of physical storage apparatusesto a host computer, the physical storage apparatusescomprise a controller portionwhich manages storage, and a license management portion (management computer) which manages licenses assigned to virtual storage such that the licenses are shared by the plurality of physical storage apparatusescomprising the virtual storage. In the plurality of physical storage apparatuses, in which the controller portionand the license management portion in the same physical storage apparatussynchronize and retain first information for managing the storage and second information for managing the licenses, and share the licenses, the respective license management portions retain the second information relating to the licenses with the same content.