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.

Date of Patent:
Feb. 26, 2019

Filed:

Sep. 11, 2014
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventors:

Kazushi Nakagawa, Tokyo, JP;

Masanori Takada, Tokyo, JP;

Norio Simozono, Tokyo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/00 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0647 (2013.01); G06F 3/061 (2013.01); G06F 3/0604 (2013.01); G06F 3/0611 (2013.01); G06F 3/0658 (2013.01); G06F 3/0685 (2013.01); G06F 3/0688 (2013.01); Y02D 10/14 (2018.01); Y02D 10/151 (2018.01);
Abstract

The storage system has one or more storage drives, and one or more controllers for receiving processing requests from a superior device, wherein each of the one or more controllers has a processor for executing the processing request and an accelerator, and the accelerator has multiple internal data memories and an internal control memory, wherein if the processing request is a read I/O request, it stores a control information regarding the request to the internal control memory, and reads data being the target of the relevant request from at least one storage drive out of the multiple storage drives, which is temporarily stored in the one or more said internal data memories, and transferred sequentially in order from the internal data memory already storing data to the superior device.


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