I would try this again. 1. Delete all instances on the host. 2. Clean out the _base directory. 3. Restart nova-compute 4. Try to run the instance again.
If that doesn't work, I would suspect a bad sector on your hard drive that is getting reused. Vish On Apr 5, 2012, at 2:43 AM, yuanke wei wrote: > hi all, > > prob1: > I deployed openstack on a 1controller+Ncompute basis. All the compute node > seems work well and windows 2008 server image can be spawned successfully, > except on one compute node, I encountered the following errors, can someone > tell me what might be the problem?? > after deleting all the files under "_base" dir, the error still there. > if needed, further info can be provided > > 2012-04-05 09:30:03,874 DEBUG nova.rpc [-] Making asynchronous cast on > network... from (pid=3068) cast /var/lib/nova/nova/rpc/impl_kombu.py:756 > 2012-04-05 09:30:03,932 ERROR nova.rpc [-] Exception during message handling > (nova.rpc): TRACE: Traceback (most recent call last): > (nova.rpc): TRACE: File "/var/lib/nova/nova/rpc/impl_kombu.py", line 620, > in _process_data > (nova.rpc): TRACE: rval = node_func(context=ctxt, **node_args) > (nova.rpc): TRACE: File "/var/lib/nova/nova/exception.py", line 100, in > wrapped > (nova.rpc): TRACE: return f(*args, **kw) > (nova.rpc): TRACE: File "/var/lib/nova/nova/compute/manager.py", line 485, > in run_instance > (nova.rpc): TRACE: self._run_instance(context, instance_id, **kwargs) > (nova.rpc): TRACE: File "/var/lib/nova/nova/compute/manager.py", line 481, > in _run_instance > (nova.rpc): TRACE: _cleanup() > (nova.rpc): TRACE: File "/var/lib/nova/nova/compute/manager.py", line 406, > in _cleanup > (nova.rpc): TRACE: _deallocate_network() > (nova.rpc): TRACE: File "/usr/lib/python2.6/contextlib.py", line 23, in > __exit__ > (nova.rpc): TRACE: self.gen.next() > (nova.rpc): TRACE: File "/var/lib/nova/nova/compute/manager.py", line 459, > in _run_instance > (nova.rpc): TRACE: network_info, block_device_info) > (nova.rpc): TRACE: File "/var/lib/nova/nova/exception.py", line 100, in > wrapped > (nova.rpc): TRACE: return f(*args, **kw) > (nova.rpc): TRACE: File "/var/lib/nova/nova/virt/libvirt/connection.py", > line 629, in spawn > (nova.rpc): TRACE: block_device_info=block_device_info) > (nova.rpc): TRACE: File "/var/lib/nova/nova/virt/libvirt/connection.py", > line 896, in _create_image > (nova.rpc): TRACE: size=size) > (nova.rpc): TRACE: File "/var/lib/nova/nova/virt/libvirt/connection.py", > line 788, in _cache_image > (nova.rpc): TRACE: call_if_not_exists(base, fn, *args, **kwargs) > (nova.rpc): TRACE: File "/var/lib/nova/nova/utils.py", line 687, in inner > (nova.rpc): TRACE: retval = f(*args, **kwargs) > (nova.rpc): TRACE: File "/var/lib/nova/nova/virt/libvirt/connection.py", > line 786, in call_if_not_exists > (nova.rpc): TRACE: fn(target=base, *args, **kwargs) > (nova.rpc): TRACE: File "/var/lib/nova/nova/virt/libvirt/connection.py", > line 800, in _fetch_image > (nova.rpc): TRACE: images.fetch_to_raw(context, image_id, target, > user_id, project_id) > (nova.rpc): TRACE: File "/var/lib/nova/nova/virt/images.py", line 88, in > fetch_to_raw > (nova.rpc): TRACE: path_tmp, staged) > (nova.rpc): TRACE: File "/var/lib/nova/nova/utils.py", line 190, in execute > (nova.rpc): TRACE: cmd=' '.join(cmd)) > (nova.rpc): TRACE: ProcessExecutionError: Unexpected error while running > command. > (nova.rpc): TRACE: Command: qemu-img convert -O raw > /var/lib/nova/instances/_base/bc33ea4e26e5e1af1408321416956113a4658763.part > /var/lib/nova/instances/_base/bc33ea4e26e5e1af1408321416956113a4658763.converted > (nova.rpc): TRACE: Exit code: 1 > (nova.rpc): TRACE: Stdout: '' > (nova.rpc): TRACE: Stderr: 'qemu-img: error while reading\n' > (nova.rpc): TRACE: > > prob2: > since the problem may be on the fact that the cached image on the compute > node is broken, so how to force the compute node to abandon its local cached > images and get from the remote image server??? > simply deleting all the files under "_base" dir seems don't work, I see no > data transfer between the compute node and the image server. > > thks in advance! > > > > > > ----------------------------------------------------------------- > 韦远科 > wei yuanke(wei) > gtalk: weiyuanke...@gmail.com > msn: weiyuanke...@hotmail.com > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp
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