> You can also use the named-export support. Something like > > --nbd=127.0.0.1:1235 > --blockdev=virtio-drive0 --blockdev=virtio-drive1 --blockdev=ide0-hd0 > > etc. > > Then QEMU can migrate to nbd://127.0.0.1:1235/virtio-drive0. > > > Or how can we guarantee that only one kvm process can write to that NBD > device? > > Why is this needed?
Security? I don't want that another process can write nonsense into my backup.
