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:
Feb. 05, 2013
Filed:
Feb. 25, 2011
Ikuya Yagisawa, Tokyo, JP;
Naoto Matsunami, Hayama, JP;
Akihiro Mannen, Yokohama, JP;
Masayuki Yamamoto, Sagamihara, JP;
Ikuya Yagisawa, Tokyo, JP;
Naoto Matsunami, Hayama, JP;
Akihiro Mannen, Yokohama, JP;
Masayuki Yamamoto, Sagamihara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The storage system includes a plurality of first disk devices, a plurality of second disk devices, in which a lifetime of the plurality of second disk devices is different from a lifetime of the plurality of first disk devices, and a controller coupled to the plurality of first disk devices and the plurality of second disk devices. The controller configures a first logical unit by the plurality of first disk devices and a second logical unit by the plurality of second disk devices, provides the first and the second logical units to a host computer, and manages a first remaining available time of the first logical unit and a second remaining available time of the second logical unit, on logical unit basis.