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news: document nbdkit support for network disks

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Signed-off-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
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Jonathon Jongsma 2023-09-12 14:55:44 -05:00
parent 6332ab2c07
commit dd403f8873
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NEWS.rst
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@ -34,6 +34,15 @@ v9.8.0 (unreleased)
* **Improvements**
* qemu: add nbdkit backend for network disks
Up until now, libvirt supported network disks (http, ftp, ssh) by passing
the URL to qemu and having the appropriate qemu block drivers handle the
disk I/O. However, by handling the network I/O outside of the qemu process,
we get several advantages, such as reduced attack surface and improved
stability of qemu. Therefore, when available, libvirt will use nbdkit as a
backend for these network disks and export an NBD disk to qemu.
* **Bug fixes**