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. 30, 2020
Filed:
Aug. 31, 2018
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Akihiro Hara, Tokyo, JP;
Akira Yamamoto, Tokyo, JP;
Masakuni Agetsuma, Tokyo, JP;
Hideo Saito, Tokyo, JP;
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 16/11 (2019.01); G06F 16/185 (2019.01);
U.S. Cl.
CPC ...
G06F 3/0646 (2013.01); G06F 3/061 (2013.01); G06F 3/0683 (2013.01); G06F 16/128 (2019.01); G06F 16/185 (2019.01);
Abstract
A storage system as a storage cluster recognized as one storage device with respect to a host system specifies a primary volume, to which one or more snapshot volumes are associated, as a migration source primary volume and performs migration processing of migrating at least the migration source primary volume from among the migration source primary volume and a part of the snapshot volumes from a migration source storage device (storage device including specified migration source primary volume and one or more snapshot volume) to a migration target storage device.