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:
Sep. 03, 2013
Filed:
Apr. 14, 2011
Hirokazu Ogasawara, Odawara, JP;
Kenichi Miki, Yokohama, JP;
Hirokazu Ogasawara, Odawara, JP;
Kenichi Miki, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Three or more file storage apparatuses and a management computer coupled thereto construct a file storage system. The management computer stores therein migration path management information, which indicates a configuration of a migration path capable of including three or more file storage units arranged in a cascade form, and path history information, which indicates a change history of the configuration of the migration path. Each time when the configuration of the migration path is changed, the management computer updates the migration path management information to information that indicates the changed configuration of the migration path, and adds the information that indicates the changed configuration of the migration path, to the path history information.