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:
Aug. 28, 2012
Filed:
Dec. 17, 2009
Masanori Fujii, Odawara, JP;
Tsukasa Nishimura, Odawara, JP;
Sumihiro Miura, Odawara, JP;
Hiraki Mikami, Odawara, JP;
Masanori Fujii, Odawara, JP;
Tsukasa Nishimura, Odawara, JP;
Sumihiro Miura, Odawara, JP;
Hiraki Mikami, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A storage apparatus and its control method capable of shortening data save time at the time of power shutdown are suggested. The storage apparatus includes a processor for controlling reading/writing user data from/to a disk device(s), and a cache memory for storing user data sent and received between a channel adapter and a the disk adapter and control data used by the processor, wherein the control data is sorted into and stored in the nonvolatile memory or the volatile memory according to its update frequency.