I've attempted to use virt-manager to create a new VM that uses a volume from an
rbd-based network pool, but have not been able to progress past step 4/5 where
VM storage is selected. It appears virt-manager has problems properly detecting
the volume as network-based storage, but before investigating those further I
have a question about the syntax of the <target> element of a storage volume.
The storage management page [0] of the website describing rbd volumes claims
that the <path> subelement contains an 'rbd:rbd/' prefix in the volume path. But
the page describing pool and volume format [1] syntax does not contain any info
wrt specifying network URLs in the <path> subelement.
What is the expectation wrt the <path> subelement of the <target> element within
rbd volume config? In general, should the <path> subelement encode the scheme
(e.g. rbd://) of a network-based volume? And if so, should it be formatted in
the traditional 'rbd://' vs 'rbd:rbd/' syntax?
Regards,
Jim
[0] https://libvirt.org/storage.html#StorageBackendRBD
[1] https://libvirt.org/formatstorage.html#StorageVolTarget
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