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:
Jan. 29, 2019
Filed:
Mar. 18, 2015
Nec Corporation, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
Provided is contribution for improving response performance. For that, a storage system includes a control device and a memory device that is connected to the control device via an interconnected network, wherein the memory device includes a data memory unit that stores data and a comparison write unit that performs a comparison write process of comparing first data specified by the control device with second data stored into a predetermined area in the data memory means and determining whether to update data in the predetermined area depending on a result of the comparison, and wherein the control device includes a read command issuance unit that issues a read command to the memory device; a write buffer memory unit that holds data that has been read based on the read command; and a comparison write command unit that designates data written to the write buffer memory means as the first data and instructs, in the form of a comparison write command, the memory device to perform the comparison write process.