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:
Jul. 08, 2014
Filed:
Jan. 23, 2008
Shintaro Inoue, Odawara, JP;
Yutaka Takata, Ninomiya, JP;
Mikio Fukuoka, Odawara, JP;
Eiju Katsuragi, Odawara, JP;
Shintaro Inoue, Odawara, JP;
Yutaka Takata, Ninomiya, JP;
Mikio Fukuoka, Odawara, JP;
Eiju Katsuragi, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
This storage apparatus for providing a dynamically expandable virtual volume to a host system to access the virtual volume comprises an allocation unit for configuring a group with a plurality of disks for providing a storage area to be allocated to the virtual volume, and allocating the storage area respectively from a plurality of the groups to the virtual volume; and a storage area arrangement unit for rearranging the storage area in each of the groups being used by the virtual volume to become optimal among each of the groups based on external operation.