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. 19, 2021
Filed:
Jul. 26, 2019
Hitachi, Ltd., Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
Provided is a multi-node storage system including a plurality of nodes providing a volume to a computer as a logical storage area, each node including a controller that processes an I/O request from the computer, and including a plurality of NVMe drives PCI-connected to any one of the controllers of the node and a switch that connects the controllers of the plurality of nodes to each other, in which the controller includes a plurality of processors that process the I/O request from the computer and a memory, and the memory includes, for the plurality of NVMe drives, virtual queues which are equal in number to processors of a plurality of controllers constituting the multi-node storage system and real queues that store a command in any one of the plurality of NVMe drives and that are smaller in number than the virtual queues.