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:
Jun. 28, 2022
Filed:
Mar. 17, 2020
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0659 (2013.01); G06F 3/0611 (2013.01); G06F 3/0673 (2013.01);
Abstract
A storage system includes a plurality of storage nodeseach having one or more storage devices. The storage node includes a CPU. The CPU is configured to select a priority path to be notified as a usable path to a higher-level apparatus among paths which allows access of a predetermined logical unit to which a storage area of the storage device is provided from the higher-level apparatus. The CPU is configured to send the priority path as a reply to an inquiry about a path to the predetermined logical unit from the higher-level apparatus.