On Tue, Sep 20, 2016 at 03:53:16PM +0200, Peter Krempa wrote: > On Tue, Sep 20, 2016 at 09:40:22 -0400, Corey S. McQuay wrote: > > Currently Libvirt allows attempts to migrate read only disks. Qemu cannot handle this as read only > > disks cannot be written to on the destination system. The end result is a cryptic error message > > and a failed migration. > > This is not necessarily true. Read only disks can sometimes be in fact > backed by storage that is writable and it's desired to be migrated. If 'def->readonly' is true, then the security drivers won't allow QEMU to write to the image, regardless of whether the underlying storage is writable. 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 :| -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list