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:
Feb. 18, 2014
Filed:
Feb. 05, 2010
Masayuki Yamamoto, Sagamihara, JP;
Masataka Innan, Odawara, JP;
Nobuhiko Ando, Yokohama, JP;
Takato Kusama, Kawasaki, JP;
Nobuo Beniyama, Yokohama, JP;
Yoshiki Fukui, Yokohama, JP;
Katsutoshi Asaki, Yokohama, JP;
Masayuki Yamamoto, Sagamihara, JP;
Masataka Innan, Odawara, JP;
Nobuhiko Ando, Yokohama, JP;
Takato Kusama, Kawasaki, JP;
Nobuo Beniyama, Yokohama, JP;
Yoshiki Fukui, Yokohama, JP;
Katsutoshi Asaki, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In the computer system, a storage system provides a storage level virtual volume based on thin provisioning technology, to a physical server on which a virtual machine is defined. The storage system releases the area of the logical volume corresponding to the storage level virtual volume accessed by a virtual machine which is specified to be deleted, on the basis of storage level virtual volume conversion information which is managed by the storage system.