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:
Sep. 12, 2023
Filed:
Apr. 28, 2022
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Masahiro Tsuruya, Tokyo, JP;
Tomohiro Yoshihara, Tokyo, JP;
Ryosuke Tatsumi, Tokyo, JP;
Shinsuke Izawa, Tokyo, JP;
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 12/0895 (2016.01);
U.S. Cl.
CPC ...
G06F 3/0659 (2013.01); G06F 3/067 (2013.01); G06F 3/0613 (2013.01); G06F 3/0656 (2013.01); G06F 12/0895 (2013.01); G06F 2212/305 (2013.01);
Abstract
To improve performance of a storage system. The storage system includes a plurality of storage nodes that communicate via a network. Each of the plurality of storage nodes includes one or more controllers. At least one controller in the controllers specifies at least two controllers that allocate a cache sub-area where write data is stored based on a controller that receives the write data from a host and a controller that processes the write date, and the cache sub-area is allocated in the specified controllers.