Hello everyone,
After the Bug with libvirt was found and fixed by Michal I am now
looking for a way to actually do the task I intended to do. I cannot
find any information if it is possible to clone a base-volume a la vol-
clone for ceph rbd.
As I posted in my addendum to the first post here I thought something
like this volume xml would do the job:
<volume>
<name>coreos00.disk</name>
<capacity unit="bytes">9116319744</capacity>
<target>
<format type="raw"></format>
<permissions>
<mode>644</mode>
</permissions>
</target>
<backingStore>
<path>vmdisks/coreos_2023</path>
<format type="raw"></format>
</backingStore>
</volume>
But even with the fix applied this simply creates an empty volume of
the given size. Granted this has no information about the snapshot so I
was sceptical that this would be enough in the first place.
If the vol-clone is not an option right now via volume xml it's not
that wild as I could just patch the terraform-libvirt-provider to do
the task beforehand but I wanted to know if it there exists an option
for libvirt to do it automatically when provided with an xml. I can't
find any options in the storage xml documentation so my guess would be
no.
Kind regards,
Lennart Weller
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