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:
Mar. 31, 2020
Filed:
Sep. 05, 2019
Hitachi, Ltd., Tokyo, JP;
Shinsuke Izawa, Tokyo, JP;
Sadahiro Sugimoto, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Provided is a storage system in which a plurality of storage controllers communicate with each other and an identifier of each storage controller is determined. The storage system includes a plurality of controllers that receive and process an input and output request specifying any of a plurality of volumes from an external device, and a plurality of switches each having a plurality of ports. The plurality of controllers are connected in parallel to the plurality of switches and communicate with each other via the plurality of switches. Each of the plurality of controllers acquires a plurality of port identifiers identifying a plurality of connected ports from the connected switches, and determines a controller identifier in the storage system based on the acquired plurality of port identifiers.