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Thanks for your reply. The nova project uses the virDomainBlockRebase API to finish the rebase operation from the old disk to the new disk not using the virDomainBlockCopy API. I am confused of the difference of virDomainBlockRebase and virDomainBlockCopy. Cheers, Boxiang On 11/5/2018 22:07，Peter Krempa<pkrempa@redhat.com> wrote： On Fri, Nov 02, 2018 at 13:42:56 +0800, Boxiang Zhu wrote: Hi. I am using openstack, ceph and libvirt now. The live volume migration will call the libvirt rebase function in openstack nova project. https://github.com/openstack/nov...

...</disk> Now I found it is not supported to rebase network disk. It is only rebase block or file disk now. https://libvirt.org/html/libvirt-libvirt-domain.html#virDomainBlockRebase My question is that can I rebase network disk by some other ways from libvirt? Cheers, Boxiang

On Fri, Nov 02, 2018 at 13:42:56 +0800, Boxiang Zhu wrote: > > > Hi. > I am using openstack, ceph and libvirt now. > > > The live volume migration will call the libvirt rebase function in openstack nova project. > https://github.com/openstack/nova/blob/stable/rocky/nova/virt/libvirt/driver.py#L1497 >...

On Wed, Nov 07, 2018 at 13:22:32 +0800, Boxiang Zhu wrote: > > > Thanks for your reply. The nova project uses the virDomainBlockRebase API to finish the rebase operation from the old disk to the new disk not using the virDomainBlockCopy API. > I am confused of the difference of virDomainBlockRebase and virDomainBlockCopy. virDoma...