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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.:

US 12769469 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Sep. 27, 2024

Storage system and storage control method of performing garbage collection on address that are not mapped in snapshot family

Applicant:

Hitachi Vantara, Ltd., Kanagawa-ken, JP;

Inventors:

Ryosuke Tatsumi, Tokyo, JP;

Tomohiro Yoshihara, Tokyo, JP;

Takaki Matsushita, Tokyo, JP;

Yusuke Yamaga, Tokyo, JP;

Naoyuki Masuda, Tokyo, JP;

Assignee:

Hitachi Vantara, Ltd., Kanagawa-ken, JP;

Attorney:

Procopio, Cory, Hargreaves & Savitch LLP

Primary Examiner:

Chie Yew

Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0638 (2013.01); G06F 3/0611 (2013.01); G06F 3/0641 (2013.01); G06F 3/0679 (2013.01);
Abstract

A storage system includes a storage device and a processor. The storage device stores first mapping information and second mapping information. The first mapping information includes information indicating mapping, between an address of a respective volume (VOL) in a respective snapshot family and an address in a respective snapshot virtual device, in each of a plurality of snapshot families each including a primary volume (PVOL) and a secondary volume (SVOL) which is a snapshot of the PVOL. The second mapping information includes information indicating mapping between an address in the respective snapshot virtual device and an address in a deduplication virtual device.

Find Patent Forward Citations

Tatsumi, Ryosuke. (2026). Storage system and storage control method of performing garbage collection on address that are not mapped in snapshot family (U.S. Patent No. 12769469). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12769469

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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