Seeing failed live migrations and these errors in the vdsm logs with latest VDSM/Engine master. Hosts are EL6.4 Thread-1306::ERROR::2013-09-23 16:02:42,422::BindingXMLRPC::993::vds::(wrapper) unexpected error Traceback (most recent call last): File "/usr/share/vdsm/BindingXMLRPC.py", line 979, in wrapper res = f(*args, **kwargs) File "/usr/share/vdsm/BindingXMLRPC.py", line 211, in vmDestroy return vm.destroy() File "/usr/share/vdsm/API.py", line 323, in destroy res = v.destroy() File "/usr/share/vdsm/vm.py", line 4326, in destroy response = self.releaseVm() File "/usr/share/vdsm/vm.py", line 4292, in releaseVm self._cleanup() File "/usr/share/vdsm/vm.py", line 2750, in _cleanup self._cleanupDrives() File "/usr/share/vdsm/vm.py", line 2482, in _cleanupDrives drive, exc_info=True) File "/usr/lib64/python2.6/logging/__init__.py", line 1329, in error self.logger.error(msg, *args, **kwargs) File "/usr/lib64/python2.6/logging/__init__.py", line 1082, in error self._log(ERROR, msg, args, **kwargs) File "/usr/lib64/python2.6/logging/__init__.py", line 1082, in error self._log(ERROR, msg, args, **kwargs) File "/usr/lib64/python2.6/logging/__init__.py", line 1173, in _log self.handle(record) File "/usr/lib64/python2.6/logging/__init__.py", line 1183, in handle self.callHandlers(record) File "/usr/lib64/python2.6/logging/__init__.py", line 1220, in callHandlers hdlr.handle(record) File "/usr/lib64/python2.6/logging/__init__.py", line 679, in handle self.emit(record) File "/usr/lib64/python2.6/logging/handlers.py", line 780, in emit msg = self.format(record) File "/usr/lib64/python2.6/logging/__init__.py", line 654, in format return fmt.format(record) File "/usr/lib64/python2.6/logging/__init__.py", line 436, in format record.message = record.getMessage() File "/usr/lib64/python2.6/logging/__init__.py", line 306, in getMessage msg = msg % self.args File "/usr/share/vdsm/vm.py", line 107, in __str__ if not a.startswith('__')] File "/usr/share/vdsm/vm.py", line 1344, in hasVolumeLeases if self.shared != DRIVE_SHARED_TYPE.EXCLUSIVE: AttributeError: 'Drive' object has no attribute 'shared' - DHC