Hi The virt-install command has a problem that the information of the existent domain is overwritten by virt-install command specifing the domain's uuid. Futhermore, the existent domain's set-up file is overwritten on the xen-3.0.4. I make a patch checking the starting domain's uuid on Guest.py. Signed-off-by: Tatsuro Enokura <fj1826dm@xxxxxxxxxxxxxxxxx> Thanks, Tatsuro Enokura ======================================================================= diff -r 1776ef836bf6 virtinst/Guest.py --- a/virtinst/Guest.py Wed Feb 28 07:47:31 2007 -0500 +++ b/virtinst/Guest.py Fri Mar 02 00:07:29 2007 +0900 @@ -554,7 +554,19 @@ class Guest(object): def _set_defaults(self): if self.uuid is None: - self.uuid = util.uuidToString(util.randomUUID()) + while 1: + self.uuid = util.uuidToString(util.randomUUID()) + try: + if self.conn.lookupByUUIDString(self.uuid) is not None: + continue + except libvirt.libvirtError: + break + else: + try: + if self.conn.lookupByUUIDString(self.uuid) is not None: + raise RuntimeError, "UUID must be specified for all guests!" + except libvirt.libvirtError: + pass if self.vcpus is None: self.vcpus = 1 if self.name is None or self.memory is None: =======================================================================