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:
Dec. 17, 2013
Filed:
Jun. 03, 2008
Daisuke Kito, Machida, JP;
Kyoko Mikami, Kawasaki, JP;
Nobuyuki Osaki, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
There is provided a computer system, having a host and at least one storage system. The at least one storage system provides storage area includes at least one of an encrypted storage area and a plaintext storage area The at least one storage system is configured to: receive an instruction about what type of storage area is available to the host computer; present the encrypted storage area to the host as an available storage area separate from unavailable storage areas in the case of the type of storage area being available according to the instruction indicating 'encrypted'; and present, in the case of the type of storage area being available according to the instruction indicating other than 'encrypted', one of both the encrypted storage area and the plaintext storage area to the host computer as available storage areas, and only the plaintext storage area as an available storage area.