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. 17, 2014
Filed:
Mar. 01, 2010
Atsushi Sutoh, Yokohama, JP;
Masanori Takata, Yokohama, JP;
Hitoshi Kamei, Sagamihara, JP;
Nobumitsu Takaoka, Sagamihara, JP;
Takahiro Nakano, Yokohama, JP;
Akio Shimada, Yokohama, JP;
Atsushi Sutoh, Yokohama, JP;
Masanori Takata, Yokohama, JP;
Hitoshi Kamei, Sagamihara, JP;
Nobumitsu Takaoka, Sagamihara, JP;
Takahiro Nakano, Yokohama, JP;
Akio Shimada, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Time required for a file server to determine files to be migrated from a first storage region to a second storage region is reduced. A file service system coupled to the storage system for providing a first storage region and a second storage region stores identifiers of files that have been accessed by a client, in accessed file identifier information and determines the files to be migrated from the first storage region to the second storage region based on metadata of the files stored in the first storage region and the accessed file identifier information.