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. 15, 2014
Filed:
Jun. 07, 2011
Kenta Ninose, Yokohama, JP;
Yoshiaki Eguchi, Yokohama, JP;
Akira Yamamoto, Sagamihara, JP;
Ai Satoyama, Sagamihara, JP;
Kenta Ninose, Yokohama, JP;
Yoshiaki Eguchi, Yokohama, JP;
Akira Yamamoto, Sagamihara, JP;
Ai Satoyama, Sagamihara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Efficient data processing is implemented by using the functions of an external storage apparatus which is connected to the virtual storage apparatus. A storage apparatus which is connected to a host apparatus which requests data I/Os and to an external storage apparatus comprising a storage device respectively via a network, comprising a storage device storing data which is read and written by the host apparatus; and a control device which controls data writing to a storage area, wherein the control device provides a predetermined storage area of the storage device of the external storage apparatus to the host apparatus as one or more virtual volumes, and manages the virtual volumes and function information indicating the functions of the external storage apparatus in association with one another.