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Merge "libvirt: add configuration option for volume AIO mode"

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Zuul
2025-12-05 05:20:30 +00:00
committed by Gerrit Code Review
parent 7bd20e52d1 c5c1b93d21
commit 1712ae48e3
8 changed files with 75 additions and 3 deletions
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releasenotes/notes/config-default-aio-mode-for-volumes-7c8bcf1ebf01fbd5.yaml
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features:
- |
A new configuration option ``[libvirt]use_default_aio_mode_for_volumes``
has been added to enable use of QEMU default AIO modes for NFS, FC, and
iSCSI Cinder volumes.
By default, Nova explicitly sets AIO mode ``io=native`` in the Libvirt
guest XML for NFS, FC, and iSCSI Cinder volumes. Operators may set this
option to ``True`` in order to defer AIO mode selection to QEMU if forcing
``io=native`` is not desired.