- Patent Title: Management of physical extents for space efficient storage volumes
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Application No.: US15461245Application Date: 2017-03-16
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Publication No.: US10241681B2Publication Date: 2019-03-26
- Inventor: Robert S. Gensler, Jr. , Lisa J. Gundy , Christopher J. Miller , Jeffrey R. Suarez
- Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Applicant Address: US NY Armonk
- Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Current Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
- Current Assignee Address: US NY Armonk
- Agency: Konrad Raynes Davda & Victor LLP
- Agent Rabindranath Dutta
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F3/06

Abstract:
A storage controller maintains extent space efficient storage volumes in a primary allocation space and a secondary allocation space. An indicator is used to indicate that extents of the secondary allocation space are available for an extent pool, without releasing the extents from the secondary allocation space.
Public/Granted literature
- US20170185314A1 MANAGEMENT OF PHYSICAL EXTENTS FOR SPACE EFFICIENT STORAGE VOLUMES Public/Granted day:2017-06-29
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