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.

Date of Patent:
Jun. 11, 2024

Filed:

May. 26, 2022
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Dominic Tomkins, Alton, GB;

Miles Mulholland, Eastleigh, GB;

Eric John Bartlett, Chard, GB;

Alex Dicks, Winchester, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/21 (2019.01); G06F 16/215 (2019.01);
U.S. Cl.
CPC ...
G06F 16/215 (2019.01);
Abstract

A method, computer program product, and computer system for full allocation volume to deduplication volume migration in a storage system. The method includes moving a physical allocation of stored data associated with a full allocation volume into a virtual address range in a deduplication domain and setting up the deduplication metadata to be a passthrough. The method then performs a background deduplication process on the virtual address range once populated with the physical allocations using a drive query hash interface to perform hash calculations on physical drives at which the data is stored.


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