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. 09, 2010
Filed:
Jan. 09, 2008
Kazuhiro Usami, Odawara, JP;
Kazuhiro Usami, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A storage system is characterized by including: a host apparatus for sending various requests and backup-target data; a virtualization apparatus including a volume that stores the data sent from the host apparatus and a virtual volume that stores replicated data for the data; and a virtual disk library apparatus having a controller apparatus that includes an actual volume for the virtual volume and a tape library apparatus having a tape that stores the replicated data stored in the actual volume, and is characterized in that the controller apparatus has a path switching unit for conducting switching, for a plurality of paths for transferring the data, between a path that connects the controller apparatus to the tape library apparatus and a path that connects the controller apparatus to the virtualization apparatus according to a request from the host apparatus.