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:
Feb. 24, 2026
Filed:
Feb. 27, 2024
Hitachi, Ltd., Tokyo, JP;
Misato Yoshida, Tokyo, JP;
Takahiro Yamamoto, Tokyo, JP;
HITACHI VANTARA, LTD., Kanagawa-Ken, JP;
Abstract
An object of the invention is to reduce a performance decrease in remote copy performed between a second storage system and a first storage system including a plurality of nodes. For each of a plurality of paths between the first and second storage systems, the path is a path that communicably connects any initiator port of the first storage system and any target port of the second storage system. The node includes a first VOL that forms a remote copy pair with a second VOL provided in the second storage system. When sending a command for the remote copy in the remote copy pair to the second storage system, the node selects, unless an abnormality related to the initiator port of the node is detected, the path connected to the initiator port, and sends the command via the selected path.