control node: 011-10-27 17:57:41,819 CRITICAL nova [-] UnboundLocalError local variable 'filename' referenced before assignment [u'Traceback (most recent call last):\n', u' File "/usr/lib/pymodules/python2.6/nova/rpc.py", line 188, in _receive\n rval = node_func(context=ctxt, **node_args)\n', u' File "/usr/lib/pymodules/python2.6/nova/scheduler/manager.py", line 83, in _schedule\n **kwargs)\n', u' File "/usr/lib/pymodules/python2.6/nova/scheduler/driver.py", line 101, in schedule_live_migration\n self._live_migration_common_check(context, instance_ref, dest)\n', u' File "/usr/lib/pymodules/python2.6/nova/scheduler/driver.py", line 196, in _live_migration_common_check\n self.mounted_on_same_shared_storage(context, instance_ref, dest)\n', u' File "/usr/lib/pymodules/python2.6/nova/scheduler/driver.py", line 313, in mounted_on_same_shared_storage\n "args": {\'filename\': filename}})\n', u"UnboundLocalError: local variable 'filename' referenced before assignment\n"] (nova): TRACE: Traceback (most recent call last): (nova): TRACE: File "/usr/bin/nova-manage", line 1122, in <module> (nova): TRACE: main() (nova): TRACE: File "/usr/bin/nova-manage", line 1111, in main (nova): TRACE: fn(*argv) (nova): TRACE: File "/usr/bin/nova-manage", line 643, in live_migration (nova): TRACE: "topic": FLAGS.compute_topic}}) (nova): TRACE: File "/usr/lib/pymodules/python2.6/nova/rpc.py", line 385, in call (nova): TRACE: raise wait_msg.result (nova): TRACE: RemoteError: UnboundLocalError local variable 'filename' referenced before assignment
compute node: 2011-10-27 15:09:03,379 ERROR nova [-] Exception during message handling (nova): TRACE: Traceback (most recent call last): (nova): TRACE: File "/usr/lib/pymodules/python2.6/nova/rpc.py", line 188, in _receive (nova): TRACE: rval = node_func(context=ctxt, **node_args) (nova): TRACE: File "/usr/lib/pymodules/python2.6/nova/exception.py", line 126, in _wrap (nova): TRACE: raise Error(str(e)) (nova): TRACE: Error: [Errno 13] Permission denied: '/var/lib/nova/instances/tmpI5oQvP' (nova): TRACE: 2011-10-27 15:09:03,379 ERROR nova.rpc [-] return [Errno 13] Permission denied: '/var/lib/nova/instances/tmpI5oQvP' exception what cause this error,and what should i do? 2011-10-27 aliex_liu
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