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. 28, 2012
Filed:
Apr. 28, 2011
Tsukasa Shibayama, Kawasaki, JP;
Wataru Okada, Odawara, JP;
Yukinori Sakashita, Sagamihara, JP;
Yuri Hiraiwa, Sagamihara, JP;
Masahide Sato, Noda, JP;
Tsukasa Shibayama, Kawasaki, JP;
Wataru Okada, Odawara, JP;
Yukinori Sakashita, Sagamihara, JP;
Yuri Hiraiwa, Sagamihara, JP;
Masahide Sato, Noda, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
When migrating data stored in a storage region assigned to a volume to another storage region, the connection status of the host computer and volume is confirmed. When the host computer and volume are connected, the maximum capacity of the volume requested by the host computer is reserved so that it is exclusively secured in another storage region to which data is to be migrated, and when the host computer and volume are not connected, the current capacity of the volume is reserved so that it is exclusively secured in another storage region.