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:
May. 31, 2011
Filed:
Jul. 17, 2007
Hiroshi Arakawa, Yokohama, JP;
Kazuhiko Mogi, Yokohama, JP;
Yoshiaki Eguchi, Machida, JP;
Kouji Arai, Odawara, JP;
Hiroshi Arakawa, Yokohama, JP;
Kazuhiko Mogi, Yokohama, JP;
Yoshiaki Eguchi, Machida, JP;
Kouji Arai, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The present invention provides techniques, including a method and system, for relocating data between storage systems. In one embodiment of the present invention a host collects usage information from a plurality of storage systems, and determines the relocation destination LU for data stored in the LU to be relocated. The host alters an LU logical position name table that determines matching between the logical position names of data and LUs. It also carries out data relocation between storage subsystems by shifting data stored in an origin LU to be relocated to a destination LU. In another embodiment relocation of files is provided.