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The IBM Storage Virtualize family volume management (formerly known as the Storwize®) Cinder driver offers various block storage services. More details about this driver can be found at FlashSystem Integration with OpenStack Cloud Platform using IBM SVf Cinder Driver
Here’s a compact, release-by-release report of what the IBM SVf Cinder driver team has delivered to upstream OpenStack since 2021. This quick overview of the fixes and enhancements in IBM Cinder SVf Driver helps in aligning IBM Cinder Driver functionality with OpenStack releases.
OpenStack release
IBM Cinder Storwize Driver Features and Fixes
Wallaby (2021.1)
Group-from-source for replicated groups
create a new group from a replicated group or a CG snapshot of a replicated group.
Xena (2021.2)
Fix: empty attribute values when updating volume metadata for replicated volumes (Bug #1935670).
Added replication license support for FlashSystem V5000E; also dropped support for Storwize V3700 (EOS).
Yoga (2022.1)
New clean_rate support: can be set via volume-type extra spec or cinder.conf.
Zed (2022.2)
Fix: resize in reverse replication for volumes in consistency groups.
Antelope (2023.1)
Feature: Volume Group feature (SVC code ≥ 8.5.1.0) – create/modify/delete volume groups, group snapshots, plus storwize_volume_group config support.
Bobcat (2023.2)
Performance: optimized svcinfo CLI calls to reduce time for RC relationship operations.
Caracal( 2024.1)
No IBM-specific items called out in release notes.
Dalmatian (2024.2)
Epoxy (2025.1)
Flamingo (2025.2)
Temporary Volume Group lifecycle support (create/update/delete) added.
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By
Nimesh Desai
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