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:
Jun. 07, 2016
Filed:
Mar. 11, 2015
Hitachi, Ltd., Tokyo, JP;
Miho Imazaki, Yokohama, JP;
Shigeo Homma, Odawara, JP;
Hiroaki Akutsu, Yokohama, JP;
Yoshiaki Eguchi, Yokohama, JP;
Akira Yamamoto, Sagamihara, JP;
Junji Ogawa, Sagamihara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A shared device unit, which comprises a storage device, is coupled to a plurality of storage systems. The shared device unit provides a plurality of storage areas, which are based on the storage device, to the plurality of storage systems. Each storage system stores allocation management information which comprises an ID of a storage area provided to thereof among the plurality of storage areas, and provides the storage area corresponded to the ID included in the allocation management information to the host computer coupled thereto among the plurality of host computers.