* Daniel P. Berrange (berra...@redhat.com) wrote: > On Thu, Jul 21, 2016 at 01:05:58PM +0800, zhanghailiang wrote: > > It is more simple to use file:url to migrate VM into file. > > Besides, it will be used in memory snapshot. > > NB, you can already migrate into a file > > "exec:/bin/cat > /path/to/file" > > and likewise > > qemu -incoming "exec:/bin/cat /path/to/file" > > This avoids the problem with POSIX I/O on plain files not actually > supporting O_NONBLOCK in any sensible manner, which your file: > suggestion suffers from.
Hmm that's a shame; I liked this idea as a nice simplification of the exec: stuff. Dave > 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 :| -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK