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<DIV><FONT face=Verdana size=2>control node:</FONT></DIV>
<DIV style="TEXT-INDENT: 2em">011-10-27 17:57:41,819 CRITICAL nova [-]
UnboundLocalError local variable 'filename' referenced before
assignment<BR>[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"]<BR>(nova): TRACE: Traceback (most recent call last):<BR>(nova):
TRACE: File "/usr/bin/nova-manage", line 1122, in
<module><BR>(nova): TRACE: main()<BR>(nova):
TRACE: File "/usr/bin/nova-manage", line 1111, in main<BR>(nova):
TRACE: fn(*argv)<BR>(nova): TRACE: File
"/usr/bin/nova-manage", line 643, in live_migration<BR>(nova):
TRACE: "topic": FLAGS.compute_topic}})<BR>(nova):
TRACE: File "/usr/lib/pymodules/python2.6/nova/rpc.py", line 385, in
call<BR>(nova): TRACE: raise wait_msg.result<BR>(nova):
TRACE: RemoteError: UnboundLocalError local variable 'filename' referenced
before assignment</DIV>
<DIV style="TEXT-INDENT: 2em"> </DIV>
<DIV>compute node:</DIV>
<DIV> </DIV>
<DIV style="TEXT-INDENT: 2em">2011-10-27 15:09:03,379 ERROR nova [-] Exception
during message handling<BR>(nova): TRACE: Traceback (most recent call
last):<BR>(nova): TRACE: File
"/usr/lib/pymodules/python2.6/nova/rpc.py", line 188, in _receive<BR>(nova):
TRACE: rval = node_func(context=ctxt,
**node_args)<BR>(nova): TRACE: File
"/usr/lib/pymodules/python2.6/nova/exception.py", line 126, in _wrap<BR>(nova):
TRACE: raise Error(str(e))<BR>(nova): TRACE: Error:
[Errno 13] Permission denied: '/var/lib/nova/instances/tmpI5oQvP'<BR>(nova):
TRACE:<BR>2011-10-27 15:09:03,379 ERROR nova.rpc [-] return [Errno 13]
Permission denied: '/var/lib/nova/instances/tmpI5oQvP' exception</DIV>
<DIV style="TEXT-INDENT: 2em"> </DIV>
<DIV>what cause this error,and what should i do?</DIV>
<DIV align=left><FONT face=Verdana color=#c0c0c0 size=2>2011-10-27
</FONT></DIV><FONT face=Verdana size=2>
<HR style="WIDTH: 122px; HEIGHT: 2px" align=left SIZE=2>
<DIV><FONT face=Verdana color=#c0c0c0 size=2><SPAN>aliex_liu</SPAN>
</FONT></DIV></FONT></BODY></HTML>