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:
Jun. 10, 2014
Filed:
Sep. 12, 2012
Applicants:
Naoki Inoue, Odawara, JP;
Yasuyuki Nagasoe, Kaisei, JP;
Inventors:
Naoki Inoue, Odawara, JP;
Yasuyuki Nagasoe, Kaisei, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A storage system including: a plurality of storage devices; a volatile memory which temporarily stores data; a nonvolatile memory; a battery saving power; a cache control unit which sets, according to battery charging rate of the battery, a part of the data stored in the volatile memory as save target data which are to be saved to the nonvolatile memory when power interruption occurs, and saves the part of the data, which is set as the save target data, to the nonvolatile memory by using power of the battery when power interruption occurs.