On Thu, Dec 08, 2011 at 07:30:28AM -0800, Chris Haumesser wrote:

I intend to share a single read-only filesystem root among a number of LXC containers.

With lxc-tools, I can specify tmpfs bind mounts within the container, for directories that need to be writable, like /var/run and /var/lock.

Is there a simple way to do this with libvirt, or do I need to mount the tmpfs in the host first, and specify it as a filesystem in the xml?

At this point in time you need to create the FS in the host and export it via the XML 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 :|