qlalchemy/api.pyc'> from (pid=2661) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 336, in fire_timers
    timer()
  File "/usr/lib/python2.7/dist-packages/eventlet/hubs/timer.py", line 56, in __call__
    cb(*args, **kw)
  File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 192, in main
    result = function(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/nova/service.py", line 101, in run_server
    server.start()
  File "/usr/lib/python2.7/dist-packages/nova/service.py", line 174, in start
    self.manager.update_available_resource(ctxt)
  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2403, in update_available_resource
    self.driver.update_available_resource(context, self.host)
  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 1898, in update_available_resource
    'local_gb': self.get_local_gb_total(),
  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 1712, in get_local_gb_total
    stats = libvirt_utils.get_fs_info(FLAGS.instances_path)
  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/utils.py", line 277, in get_fs_info
    hddinfo = os.statvfs(path)
OSError: [Errno 2] No such file or directory: '/usr/lib/python2.7/dist-packages/instances'
2012-05-16 16:15:14 CRITICAL nova [-] [Errno 2] No such file or directory: '/usr/lib/python2.7/dist-packages/instances'
2012-05-16 16:15:14 TRACE nova Traceback (most recent call last):
2012-05-16 16:15:14 TRACE nova   File "/usr/bin/nova-compute", line 49, in <module>
2012-05-16 16:15:14 TRACE nova     service.wait()
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 413, in wait
2012-05-16 16:15:14 TRACE nova     _launcher.wait()
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 131, in wait
2012-05-16 16:15:14 TRACE nova     service.wait()
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 166, in wait
2012-05-16 16:15:14 TRACE nova     return self._exit_event.wait()
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/eventlet/event.py", line 116, in wait
2012-05-16 16:15:14 TRACE nova     return hubs.get_hub().switch()
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 177, in switch
2012-05-16 16:15:14 TRACE nova     return self.greenlet.switch()
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 192, in main
2012-05-16 16:15:14 TRACE nova     result = function(*args, **kwargs)
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 101, in run_server
2012-05-16 16:15:14 TRACE nova     server.start()
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 174, in start
2012-05-16 16:15:14 TRACE nova     self.manager.update_available_resource(ctxt)
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2403, in update_available_resource
2012-05-16 16:15:14 TRACE nova     self.driver.update_available_resource(context, self.host)
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 1898, in update_available_resource
2012-05-16 16:15:14 TRACE nova     'local_gb': self.get_local_gb_total(),
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 1712, in get_local_gb_total
2012-05-16 16:15:14 TRACE nova     stats = libvirt_utils.get_fs_info(FLAGS.instances_path)
2012-05-16 16:15:14 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/utils.py", line 277, in get_fs_info
2012-05-16 16:15:14 TRACE nova     hddinfo = os.statvfs(path)
2012-05-16 16:15:14 TRACE nova OSError: [Errno 2] No such file or directory: '/usr/lib/python2.7/dist-packages/instances'
2012-05-16 16:15:14 TRACE nova
Exception KeyError: KeyError(139795286649328,) in <module 'threading' from '/usr/lib/python2.7/threading.pyc'> ignored