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:
Apr. 14, 2009
Filed:
Sep. 29, 2005
Applicants:
Kenji Sekine, Odawara, JP;
Dai Taninaka, Odawara, JP;
Keishi Tamura, Odawara, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/14 (2006.01); G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a storage system having one or more logical devices mapped to a virtual device provided in a mapping destination storage system, and a storage controller for controlling the reading and writing of data from and to the logical devices. Upon receiving a reserve command from the mapping destination storage system, the storage controller restricts the access from an initiator other than the mapping destination storage system to a logical device to which access restriction is designated with the reserve command.