On Wed, Nov 19, 2014 at 09:35:16AM +0000, Dr. David Alan Gilbert wrote: > * Paolo Bonzini (pbonz...@redhat.com) wrote: > > > > > > On 18/11/2014 21:28, Dr. David Alan Gilbert wrote: > > > This seems odd, since as far as I know the tunneling code is quite > > > separate > > > to the migration code; I thought the only thing that the migration > > > code sees different is the file descriptors it gets past. > > > (Having said that, again I don't know storage stuff, so if this > > > is a storage special there may be something there...) > > > > Tunnelled migration uses the old block-migration.c code. Non-tunnelled > > migration uses the NBD server and block/mirror.c. > > OK, that explains that. Is that because the tunneling code can't > deal with tunneling the NBD server connection?
Yep, pretty much. The tunnelling code was built around the idea of a single connection to be tunnelled. Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|