wido commented on issue #2650: Ceph RBD Feature flag update URL: https://github.com/apache/cloudstack/issues/2650#issuecomment-390113044 I remember now :) This is leftover code from when libvirt didn't support cloning volumes yet. Libvirt supports cloning a RBD image: https://libvirt.org/git/?p=libvirt.git;a=blob;f=src/storage/storage_backend_rbd.c;h=642cacb67362424b00e905bab324dad98dd98e8e;hb=HEAD#l945 We should call that function in libvirt to clone the image: - https://libvirt.org/sources/virshcmdref/html/sect-vol-clone.html - https://libvirt.org/docs/libvirt-appdev-guide-python/en-US/html/libvirt_application_development_guide_using_python-Storage_Pools-Cloning.html This should be supported by the libvirt Java bindings as well, so I think we can already do this. Now somebody just needs to write the code, that's all :) Cloning is then done by libvirt and CloudStack doesn't need to worry about it.
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