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. 17, 2009
Filed:
Nov. 06, 2006
Applicants:
Naoki Inoue, Odawara, JP;
Yasuyuki Nagasoe, Kaisei, JP;
Inventors:
Naoki Inoue, Odawara, JP;
Yasuyuki Nagasoe, Kaisei, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A storage system includes operational control information stored in RAID disk drives for higher access performance over the case where control information is stored in shared memory. The operational control information includes monitor information, log information, and copy difference management information.