[Openstack] Configuring Live Migration

Razique Mahroua razique.mahroua at gmail.com
Wed Jul 31 13:43:03 UTC 2013


Le 31 juil. 2013 à 15:40, Guilherme Russi <luisguilherme.cr at gmail.com> a écrit :

> Hello friends,
> 
>  First from JuanFra: I've alrealdy checked it, they are the same.
>  Second from Razique: Could you give me a strictly explanation, I already have the folder in /var/lib/.ssh with the file authorized_keys inside. This file config  must have only StrictHostKeyChecking no inside it?
yup that prevents the user nova from being prompted to type "yes" if it's an unknown server
 
> 
> Thank you all.
> 
> Guilherme.
> 
> 
> 2013/7/31 Razique Mahroua <razique.mahroua at gmail.com>
> Hey Guilherme :)
> make sure : 
> • To exchange pubkey of nova users amongst all nodes
> • Add in /var/lib a directory .ssh/ and create a "config" file with into : StrictHostKeyChecking no
> 
> 
> 
> 
> Razique Mahroua - Nuage & Co
> razique.mahroua at gmail.com
> Tel : +33 9 72 37 94 15
> 
> <NUAGECO-LOGO-Fblan_petit.jpg>
> 
> Le 30 juil. 2013 à 19:08, Guilherme Russi <luisguilherme.cr at gmail.com> a écrit :
> 
>> Sure, thank you.
>> 
>> cat /var/log/nova/nova-compute.log | grep -E ERROR
>> 2013-07-30 13:48:08.074 ERROR nova.compute.manager [req-bb59c9e8-8ef3-4461-8a51-01166ccc758d c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 5061e7a6-2482-4af2-97cf-0074326fb940] Unexpected error while running command.
>> Stderr: 'Host key verification failed.\r\n'. Setting instance vm_state to ERROR
>> 2013-07-30 13:48:08.747 ERROR nova.openstack.common.rpc.amqp [req-bb59c9e8-8ef3-4461-8a51-01166ccc758d c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] Exception during message handling
>> 
>> cat /var/log/nova/nova-compute.log | grep -E TRACE
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/amqp.py", line 430, in _process_data
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     rval = self.proxy.dispatch(ctxt, version, method, **args)
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/dispatcher.py", line 133, in dispatch
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     return getattr(proxyobj, method)(ctxt, **kwargs)
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 117, in wrapped
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     temp_level, payload)
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 94, in wrapped
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     return f(self, context, *args, **kw)
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 209, in decorated_function
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     pass
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 195, in decorated_function
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 260, in decorated_function
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     function(self, context, *args, **kwargs)
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 237, in decorated_function
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     e, sys.exc_info())
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 224, in decorated_function
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2354, in resize_instance
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     block_device_info)
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3467, in migrate_disk_and_power_off
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     inst_base_resize)
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3444, in migrate_disk_and_power_off
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     utils.execute('ssh', dest, 'mkdir', '-p', inst_base)
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 239, in execute
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp     cmd=' '.join(cmd))
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp ProcessExecutionError: Unexpected error while running command.
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp Command: ssh 10.3.77.48 mkdir -p /var/lib/nova/instances/5061e7a6-2482-4af2-97cf-0074326fb940
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp Exit code: 255
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp Stdout: ''
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp Stderr: 'Host key verification failed.\r\n'
>> 2013-07-30 13:48:08.747 6254 TRACE nova.openstack.common.rpc.amqp 
>> 
>> 
>> 
>> 
>> 
>> 2013/7/30 Filipe Manco <filipe.manco at gmail.com>
>> Can you provide more information (errors and/or logs)?
>> 
>> Filipe Manco
>> http://about.me/fmanco
>> 
>> 
>> 2013/7/30 Guilherme Russi <luisguilherme.cr at gmail.com>
>> It didn't work :(
>> 
>> 
>> 2013/7/30 Guilherme Russi <luisguilherme.cr at gmail.com>
>> Ok, testing it.
>> 
>> 
>> 2013/7/30 Filipe Manco <filipe.manco at gmail.com>
>> Basically edit the /etc/passwd and /etc/passwd- files and change /bin/false to /bin/bash on the nova user entry.
>> 
>> I'm having another problem after this related to libvirt but I have no time to fix it know. Basically the migration ends but then libvirt isn't able to boot the machine again. Let me know about your results.
>> 
>> Regards
>> 
>> Filipe Manco
>> http://about.me/fmanco
>> 
>> 
>> 2013/7/30 Guilherme Russi <luisguilherme.cr at gmail.com>
>> Ok, on my scenario I have 2 Compute nodes and 1 Controller + Network node, how did you change your configs, I can try your idea.
>> 
>> 
>> 2013/7/30 Filipe Manco <filipe.manco at gmail.com>
>> No I just wanted to know what is your scenario. About the mkdir I spend a couple of time looking at it and managed to fix it by changing the shell of the nova user to /bin/bash instead of /bin/false on all the compute nodes. You can try it.
>> 
>> Filipe Manco
>> http://about.me/fmanco
>> 
>> 
>> 2013/7/30 Guilherme Russi <luisguilherme.cr at gmail.com>
>> Hello Filipe, I followed the manual on the openstack documentation, I shared the /var/lib/nova/instances on my controller, do I need to share another folders?
>> 
>> Regards.
>> 
>> 
>> 2013/7/30 Filipe Manco <filipe.manco at gmail.com>
>> Hi
>> 
>> A couple of messages ago you shown an error where the mkdir command failed. At that time the keys were properly configured. Can you revert your changes?
>> 
>> About the mkdir error, I had a similar one but I wasn't able to fix it yet. Do you have shared storage for your instances?
>> 
>> I never used virsh directly because, AFAIK, openstack will not be informed of the changes and will not work correctly (but I may be wrong in this one).
>> 
>> Filipe Manco
>> http://about.me/fmanco
>> 
>> 
>> 2013/7/30 Guilherme Russi <luisguilherme.cr at gmail.com>
>> I created the new key, but still getting error: here are the logs:
>> 
>> cat /var/log/nova/nova-compute.log | grep -E ERROR
>> 2013-07-30 11:37:51.097 ERROR nova.compute.manager [req-c3441bfc-dcd7-4625-b701-716f152a4bfe c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: bed3c3be-31d6-42c3-9a7f-e40ef9c1c764] Unexpected error while running command.
>> Stderr: 'Host key verification failed.\r\n'. Setting instance vm_state to ERROR
>> 2013-07-30 11:37:52.463 ERROR nova.openstack.common.rpc.amqp [req-c3441bfc-dcd7-4625-b701-716f152a4bfe c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] Exception during message handling
>> 
>> 
>> cat /var/log/nova/nova-compute.log | grep -E TRACE
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/amqp.py", line 430, in _process_data
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     rval = self.proxy.dispatch(ctxt, version, method, **args)
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/dispatcher.py", line 133, in dispatch
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     return getattr(proxyobj, method)(ctxt, **kwargs)
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 117, in wrapped
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     temp_level, payload)
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 94, in wrapped
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     return f(self, context, *args, **kw)
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 209, in decorated_function
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     pass
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 195, in decorated_function
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 260, in decorated_function
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     function(self, context, *args, **kwargs)
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 237, in decorated_function
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     e, sys.exc_info())
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 224, in decorated_function
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2354, in resize_instance
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     block_device_info)
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3467, in migrate_disk_and_power_off
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     inst_base_resize)
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3444, in migrate_disk_and_power_off
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     utils.execute('ssh', dest, 'mkdir', '-p', inst_base)
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 239, in execute
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp     cmd=' '.join(cmd))
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp ProcessExecutionError: Unexpected error while running command.
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp Command: ssh 10.3.77.48 mkdir -p /var/lib/nova/instances/bed3c3be-31d6-42c3-9a7f-e40ef9c1c764
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp Exit code: 255
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp Stdout: ''
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp Stderr: 'Host key verification failed.\r\n'
>> 2013-07-30 11:37:52.463 6254 TRACE nova.openstack.common.rpc.amqp 
>> 
>> I've been trying to migrate directly with virsh, but I got this error and the solutions through the web don't help.
>> 
>> virsh migrate --live instance-00000063 qemu+ssh://192.168.3.3/system
>> root at 192.168.3.3's password: 
>> erro: internal error cannot load AppArmor profile 'libvirt-bed3c3be-31d6-42c3-9a7f-e40ef9c1c764'
>> 
>> 
>> Thank you all.
>> 
>> 
>> 
>> 
>> 2013/7/29 <yongiman at gmail.com>
>> 
>> Hi Guilherme,
>> 
>> I suugest making new ssh key and put the public key in the host
>> 
>> # ssh-keygen (you will find id_rsa.pub in your .ssh directory)
>> 
>> Copy the contents of this file and paste at the last line of authorized_keys in the host.
>> 
>> 
>> 
>> On 2013. 7. 29., at 오후 10:40, Guilherme Russi <luisguilherme.cr at gmail.com> wrote:
>> 
>>> Hello Filipe, I created the /var/lib/nova/.ssh/authorized_keys and its content is the keys from the know_hosts, is it right? I'm still getting the same error when I try to migrate a VM.
>>> 
>>> Thank you.
>>> 
>>> 
>>> 2013/7/26 Filipe Manco <filipe.manco at gmail.com>
>>> About the keys it's up to you. You can use the same or create a new one. Using the same is easier.
>>> 
>>> But the nova user public key should go into /var/lib/nova/.ssh/authorized_keys not into the know_hosts file. The easier way (as you only have two compute nodes) to add the keys to the know_hosts is to manually ssh and accept the key.
>>> 
>>> Filipe Manco
>>> http://about.me/fmanco
>>> 
>>> 
>>> 2013/7/26 Guilherme Russi <luisguilherme.cr at gmail.com>
>>> Ok, Must I create another ssh key to communicate both compute nodes or the current key can work? I've put the plublic key from both compute node in the know_hosts. Which permission should I apply? 644?
>>> 
>>> Thank you.
>>> 
>>> 
>>> 2013/7/26 Filipe Manco <filipe.manco at gmail.com>
>>> First you need to check why this "Failed to add the host to the list of known hosts (/var/lib/nova/.ssh/known_hosts)." happens. It maybe file permissions or so. Then you need to generate an ssh key for the user nova and add it to the other compute nodes on the authorized_keys file (the password is not really necessary as soon as you have the keys in place).
>>> 
>>> Filipe Manco
>>> http://about.me/fmanco
>>> 
>>> 
>>> 2013/7/26 Guilherme Russi <luisguilherme.cr at gmail.com>
>>> sudo -u nova ssh 192.168.3.3
>>> The authenticity of host '192.168.3.3 (192.168.3.3)' can't be established.
>>> ECDSA key fingerprint is e3:ca:f7:dd:1e:1f:e3:e3:17:f8:52:09:a4:41:e1:40.
>>> Are you sure you want to continue connecting (yes/no)? yes
>>> Failed to add the host to the list of known hosts (/var/lib/nova/.ssh/known_hosts).
>>> nova at 192.168.3.3's password: 
>>> 
>>> But I don't know the user nova's password.
>>> 
>>> 
>>> 2013/7/26 Filipe Manco <filipe.manco at gmail.com>
>>> Can you try sudo -u nova ssh <remote-compute-node> form the compute node currently running the VM and check if it works?
>>> 
>>> Filipe Manco
>>> http://about.me/fmanco
>>> 
>>> 
>>> 2013/7/26 Guilherme Russi <luisguilherme.cr at gmail.com>
>>> Hello Filipe,
>>> 
>>>  I made the copy from my .ssh/know_hosts to places you told me, but I'm still getting the same error. Any other ideas?
>>> 
>>> Thank you.
>>> 
>>> 
>>> 2013/7/26 Filipe Manco <filipe.manco at gmail.com>
>>> Hi
>>> 
>>> This error means that you cannot ssh into the new compute node because it's public key cannot be verified. Add the public keys of the compute nodes to /etc/ssh/know_hosts file (or the nova one, usually under /var/lib/nova/.ssh/) and the problem should be gone.
>>> 
>>> Regards
>>> 
>>> Filipe Manco
>>> http://about.me/fmanco
>>> 
>>> 
>>> 2013/7/26 Guilherme Russi <luisguilherme.cr at gmail.com>
>>> Ok, I'll look more carefully the log and it's cool this command from libvirt, I didn't know it, I'll try it and return to you.
>>> 
>>> Thank you again.
>>> 
>>> 
>>> 2013/7/25 Wangpan <hzwangpan at corp.netease.com>
>>> That's confused me, "Unexpected error while running command" will give us what command is running when this error occured, you may check the log more carefully.
>>> and you also can migrate the VM directly by libvirt command line like below:
>>> virsh  migrate --live --persistent --undefinesource --verbose --domain ${instance-uuid} --desturi qemu+tcp://${the-dest-host-ip}/system
>>> then see the output result.
>>>  
>>> 2013-07-26
>>> Wangpan
>>> 发件人:Guilherme Russi <luisguilherme.cr at gmail.com>
>>> 发送时间:2013-07-26 09:30
>>> 主题:Re: Re: Re: Re: Re: [Openstack] Configuring Live Migration
>>> 收件人:"Wangpan"<hzwangpan at corp.netease.com>
>>> 抄送:"openstack at lists.launchpad.net"<openstack at lists.launchpad.net>
>>>  
>>> When I enter the action to migrate, the only two errors showen at this period are these two.
>>> 
>>> 
>>> 2013/7/25 Wangpan <hzwangpan at corp.netease.com>
>>> There may have more error logs at this minute 2013-07-25 17:28,
>>> you can get the backtrace near the error log you post.
>>>  
>>> 2013-07-26
>>> Wangpan
>>> 发件人:Guilherme Russi <luisguilherme.cr at gmail.com>
>>> 发送时间:2013-07-26 04:48
>>> 主题:Re: Re: Re: Re: [Openstack] Configuring Live Migration
>>> 收件人:"Wangpan"<hzwangpan at corp.netease.com>,"openstack at lists.launchpad.net"<openstack at lists.launchpad.net>
>>> 抄送:
>>>  
>>> Hello guys, I'm getting problems when trying to migrate a VM.
>>> 
>>> I'm getting this error on my log:
>>> 
>>> 2013-07-25 17:28:31.582 ERROR nova.compute.manager [req-07d2c8b0-80c3-4ae8-8faf-226a099500e4 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 919f13d2-8116-4714-b2ec-d2e0f3d3c910] Unexpected error while running command.
>>> Stderr: 'Host key verification failed.\r\n'. Setting instance vm_state to ERROR
>>> 2013-07-25 17:28:32.212 ERROR nova.openstack.common.rpc.amqp [req-07d2c8b0-80c3-4ae8-8faf-226a099500e4 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] Exception during message handling
>>> 
>>> 
>>> The user Wangpan was helping me, but I guess his hour is different from mine, can anybody five me an idea?
>>> 
>>> Thank you.
>>> 
>>> Guilherme.
>>> 
>>> 
>>> 2013/7/25 Guilherme Russi <luisguilherme.cr at gmail.com>
>>> Hello Wangpan, I've looking at the logs and I saw one error with my ssh port, and then I fixed the port, but now I'm getting this error: 
>>> 
>>> 2013-07-25 14:09:50.388 ERROR nova.compute.manager [req-6930a2e2-60e7-421f-a560-26a626ecebcb c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: d268d24b-96fc-4450-88d4-19ba83cd8892] Unexpected error while running command.
>>> Stderr: 'Host key verification failed.\r\n'. Setting instance vm_state to ERROR
>>> 2013-07-25 14:09:51.005 ERROR nova.openstack.common.rpc.amqp [req-6930a2e2-60e7-421f-a560-26a626ecebcb c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] Exception during message handling
>>> 
>>> What "host key verification"? Where should I put this key?
>>> 
>>> Thank you.
>>> 
>>> Guilherme.
>>> 
>>> 
>>> 2013/7/25 Guilherme Russi <luisguilherme.cr at gmail.com>
>>> Typed wrong here
>>> 
>>> Em 25/07/2013 00:42, "Wangpan" <hzwangpan at corp.netease.com> escreveu:
>>> chmod 777 -R /var/lib/nova/instances
>>> not the /var/log/nova/instances
>>>  
>>> 2013-07-25
>>> Wangpan
>>> 发件人:Guilherme Russi <luisguilherme.cr at gmail.com>
>>> 发送时间:2013-07-25 10:39
>>> 主题:Re: Re: Re: [Openstack] Configuring Live Migration
>>> 收件人:"Wangpan"<hzwangpan at corp.netease.com>
>>> 抄送:
>>>  
>>> I've done chmod 777 -R /var/log/nova/instances
>>> 
>>> Does it work?
>>> 
>>> 
>>> 2013/7/24 Wangpan <hzwangpan at corp.netease.com>
>>> I saw this error "Permission denied: '/var/lib/nova/instances/'" in your logs.
>>> you may need to chown the instances path  '/var/lib/nova/instances/'
>>>  
>>> 2013-07-25
>>> Wangpan
>>> 发件人:Guilherme Russi <luisguilherme.cr at gmail.com>
>>> 发送时间:2013-07-25 10:08
>>> 主题:Re: Re: [Openstack] Configuring Live Migration
>>> 收件人:"Wangpan"<hzwangpan at corp.netease.com>
>>> 抄送:
>>>  
>>> Compute Node 01:
>>> 
>>> cat /var/log/nova/nova-*.log | grep -E ERROR
>>> 2013-07-24 08:03:57.262 1820 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 08:43:57.655 1820 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 09:23:57.816 1820 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 10:03:57.993 1820 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 10:20:21.767 ERROR nova.compute.manager [req-c4b2d1db-676c-4398-a5b8-582a76ec6c35 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc] Instance failed to spawn
>>> 2013-07-24 10:20:29.326 1820 ERROR nova.virt.libvirt.driver [-] [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc] During wait destroy, instance disappeared.
>>> 2013-07-24 10:20:29.511 ERROR nova.compute.manager [req-c4b2d1db-676c-4398-a5b8-582a76ec6c35 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn\n    admin_pass=admin_password)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image\n    fileutils.ensure_tree(basepath(suffix=\'\'))\n', '  File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree\n    os.makedirs(path)\n', '  File "/usr/lib/python2.7/os.py", line 157, in makedirs\n    mkdir(name, mode)\n', "OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/55215431-0a42-4fc8-a642-c08d3cc5e2bc/'\n"]
>>> 2013-07-24 10:33:17.279 ERROR nova.compute.manager [req-f10c5f14-b3ad-4c13-b20f-c53f57379163 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd] Instance failed to spawn
>>> 2013-07-24 10:33:36.673 1820 ERROR nova.virt.libvirt.driver [-] [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd] During wait destroy, instance disappeared.
>>> 2013-07-24 10:33:36.837 ERROR nova.compute.manager [req-f10c5f14-b3ad-4c13-b20f-c53f57379163 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn\n    admin_pass=admin_password)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image\n    fileutils.ensure_tree(basepath(suffix=\'\'))\n', '  File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree\n    os.makedirs(path)\n', '  File "/usr/lib/python2.7/os.py", line 157, in makedirs\n    mkdir(name, mode)\n', "OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/ca733a02-766e-46e1-9a15-bd2a12b10ebd/'\n"]
>>> 2013-07-24 10:40:26.722 ERROR nova.compute.manager [req-5d0289b3-36d7-4046-996c-a1decb922066 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73] Instance failed to spawn
>>> 2013-07-24 10:40:39.402 1820 ERROR nova.virt.libvirt.driver [-] [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73] During wait destroy, instance disappeared.
>>> 2013-07-24 10:40:39.530 ERROR nova.compute.manager [req-5d0289b3-36d7-4046-996c-a1decb922066 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn\n    admin_pass=admin_password)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image\n    fileutils.ensure_tree(basepath(suffix=\'\'))\n', '  File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree\n    os.makedirs(path)\n', '  File "/usr/lib/python2.7/os.py", line 157, in makedirs\n    mkdir(name, mode)\n', "OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/3b15a4e9-fb2c-452a-8045-16d1f58ebf73/'\n"]
>>> 2013-07-24 10:43:58.194 1820 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 11:03:19.657 ERROR nova.virt.libvirt.driver [req-5441aa83-cc8a-4d25-a17e-9e4f63448451 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] Error on '/var/lib/nova/instances' while checking direct I/O: '[Errno 13] Permission denied: '/var/lib/nova/instances/.directio.test''
>>> 2013-07-24 11:03:19.658 ERROR nova.compute.manager [req-5441aa83-cc8a-4d25-a17e-9e4f63448451 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d] Instance failed to spawn
>>> 2013-07-24 11:03:32.036 1685 ERROR nova.virt.libvirt.driver [-] [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d] During wait destroy, instance disappeared.
>>> 2013-07-24 11:03:32.170 ERROR nova.compute.manager [req-5441aa83-cc8a-4d25-a17e-9e4f63448451 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1510, in spawn\n    block_device_info=block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2326, in to_xml\n    disk_info, rescue, block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2244, in get_guest_config\n    inst_type):\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2051, in get_guest_storage_config\n    inst_type)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2013, in get_guest_disk_config\n    self.disk_cachemode,\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 355, in disk_cachemode\n    if not self._supports_direct_io(CONF.instances_path):\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1676, in _supports_direct_io\n    {\'path\': dirpath, \'ex\': str(e)})\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1663, in _supports_direct_io\n    f = os.open(testfile, os.O_CREAT | os.O_WRONLY | os.O_DIRECT)\n', "OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/.directio.test'\n"]
>>> 2013-07-24 11:22:38.103 ERROR nova.compute.manager [req-26522972-c8be-4be5-83d1-f45412718d94 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3] Instance failed to spawn
>>> 2013-07-24 11:22:50.791 1685 ERROR nova.virt.libvirt.driver [-] [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3] During wait destroy, instance disappeared.
>>> 2013-07-24 11:22:50.925 ERROR nova.compute.manager [req-26522972-c8be-4be5-83d1-f45412718d94 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn\n    admin_pass=admin_password)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image\n    fileutils.ensure_tree(basepath(suffix=\'\'))\n', '  File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree\n    os.makedirs(path)\n', '  File "/usr/lib/python2.7/os.py", line 157, in makedirs\n    mkdir(name, mode)\n', "OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3/'\n"]
>>> 2013-07-24 11:26:00.874 ERROR nova.compute.manager [req-43b99187-3d4b-4f42-8ee5-eab58a448d05 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b] Instance failed to spawn
>>> 2013-07-24 11:27:07.567 ERROR nova.compute.manager [req-43b99187-3d4b-4f42-8ee5-eab58a448d05 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn\n    admin_pass=admin_password)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image\n    fileutils.ensure_tree(basepath(suffix=\'\'))\n', '  File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree\n    os.makedirs(path)\n', '  File "/usr/lib/python2.7/os.py", line 157, in makedirs\n    mkdir(name, mode)\n', "OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/b60db5a8-92ea-4a81-bd53-d73dc2019b0b/'\n"]
>>> 2013-07-24 11:27:08.045 ERROR nova.openstack.common.rpc.amqp [req-43b99187-3d4b-4f42-8ee5-eab58a448d05 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] Exception during message handling
>>> 2013-07-24 11:34:02.320 1685 ERROR nova.virt.libvirt.driver [-] [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b] During wait destroy, instance disappeared.
>>> 2013-07-24 11:38:23.618 ERROR nova.compute.manager [req-d9052cd7-12d2-4df6-94c2-4ed3891e6bbb c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 69a2c512-bea1-46de-91be-c33a07799981] Instance failed to spawn
>>> 2013-07-24 11:38:49.087 1685 ERROR nova.virt.libvirt.driver [-] [instance: 69a2c512-bea1-46de-91be-c33a07799981] During wait destroy, instance disappeared.
>>> 2013-07-24 11:38:49.220 ERROR nova.compute.manager [req-d9052cd7-12d2-4df6-94c2-4ed3891e6bbb c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 69a2c512-bea1-46de-91be-c33a07799981] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn\n    admin_pass=admin_password)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image\n    fileutils.ensure_tree(basepath(suffix=\'\'))\n', '  File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree\n    os.makedirs(path)\n', '  File "/usr/lib/python2.7/os.py", line 157, in makedirs\n    mkdir(name, mode)\n', "OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/69a2c512-bea1-46de-91be-c33a07799981/'\n"]
>>> 2013-07-24 11:41:15.017 1685 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 12:45:36.353 1694 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 13:13:09.224 ERROR nova.virt.libvirt.driver [req-4d081c1f-ad11-4b89-904d-700291b47894 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] Error on '/var/lib/nova/instances' while checking direct I/O: '[Errno 13] Permission denied: '/var/lib/nova/instances/.directio.test''
>>> 2013-07-24 13:13:09.225 ERROR nova.compute.manager [req-4d081c1f-ad11-4b89-904d-700291b47894 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: f105be37-d5d9-4234-ba4e-3897d60e97bb] Instance failed to spawn
>>> 2013-07-24 13:13:21.636 1694 ERROR nova.virt.libvirt.driver [-] [instance: f105be37-d5d9-4234-ba4e-3897d60e97bb] During wait destroy, instance disappeared.
>>> 2013-07-24 13:13:21.729 ERROR nova.compute.manager [req-4d081c1f-ad11-4b89-904d-700291b47894 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: f105be37-d5d9-4234-ba4e-3897d60e97bb] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1510, in spawn\n    block_device_info=block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2326, in to_xml\n    disk_info, rescue, block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2244, in get_guest_config\n    inst_type):\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2051, in get_guest_storage_config\n    inst_type)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2013, in get_guest_disk_config\n    self.disk_cachemode,\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 355, in disk_cachemode\n    if not self._supports_direct_io(CONF.instances_path):\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1676, in _supports_direct_io\n    {\'path\': dirpath, \'ex\': str(e)})\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1663, in _supports_direct_io\n    f = os.open(testfile, os.O_CREAT | os.O_WRONLY | os.O_DIRECT)\n', "OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/.directio.test'\n"]
>>> 2013-07-24 13:25:36.702 1694 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lock/nova'
>>> 2013-07-24 14:05:37.095 1694 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lock/nova'
>>> 2013-07-24 14:45:37.319 1694 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lock/nova'
>>> 2013-07-24 14:47:05.364 ERROR nova.compute.manager [req-4b74d886-c5cc-4e28-ac42-824ba815f7ac c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 748277e2-e3b5-4385-9c0e-c8e0ddefa601] Instance failed to spawn
>>> 2013-07-24 14:47:26.986 ERROR nova.compute.manager [req-4b74d886-c5cc-4e28-ac42-824ba815f7ac c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 748277e2-e3b5-4385-9c0e-c8e0ddefa601] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1520, in spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2435, in _create_domain_and_network\n    domain = self._create_domain(xml, instance=instance)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2396, in _create_domain\n    domain.createWithFlags(launch_flags)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 187, in doit\n    result = proxy_call(self._autowrap, f, *args, **kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 147, in proxy_call\n    rv = execute(f,*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 76, in tworker\n    rv = meth(*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 711, in createWithFlags\n    if ret == -1: raise libvirtError            (\'virDomainCreateWithFlags() failed\', dom=self)\n', "libvirtError: internal error cannot load AppArmor profile 'libvirt-748277e2-e3b5-4385-9c0e-c8e0ddefa601'\n"]
>>> 2013-07-24 15:25:37.532 1694 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lock/nova'
>>> 2013-07-24 16:05:37.847 1694 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lock/nova'
>>> 2013-07-24 16:14:39.249 ERROR nova.compute.manager [req-e0716278-f864-4f70-962a-bf74559fc4c9 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 23cf38cc-797e-40f2-a995-6e181493c913] Instance failed to spawn
>>> 2013-07-24 16:14:54.459 ERROR nova.compute.manager [req-e0716278-f864-4f70-962a-bf74559fc4c9 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 23cf38cc-797e-40f2-a995-6e181493c913] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1520, in spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2435, in _create_domain_and_network\n    domain = self._create_domain(xml, instance=instance)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2396, in _create_domain\n    domain.createWithFlags(launch_flags)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 187, in doit\n    result = proxy_call(self._autowrap, f, *args, **kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 147, in proxy_call\n    rv = execute(f,*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 76, in tworker\n    rv = meth(*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 711, in createWithFlags\n    if ret == -1: raise libvirtError            (\'virDomainCreateWithFlags() failed\', dom=self)\n', "libvirtError: internal error cannot load AppArmor profile 'libvirt-23cf38cc-797e-40f2-a995-6e181493c913'\n"]
>>> 2013-07-24 16:43:47.486 ERROR nova.compute.manager [req-5d9b9575-a6eb-4324-b975-78dba69c24ef c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 00497f97-a0fe-4a51-b7f6-6901d0d34791] Instance failed to spawn
>>> 2013-07-24 16:43:58.434 ERROR nova.compute.manager [req-5d9b9575-a6eb-4324-b975-78dba69c24ef c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 00497f97-a0fe-4a51-b7f6-6901d0d34791] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1520, in spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2435, in _create_domain_and_network\n    domain = self._create_domain(xml, instance=instance)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2396, in _create_domain\n    domain.createWithFlags(launch_flags)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 187, in doit\n    result = proxy_call(self._autowrap, f, *args, **kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 147, in proxy_call\n    rv = execute(f,*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 76, in tworker\n    rv = meth(*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 711, in createWithFlags\n    if ret == -1: raise libvirtError            (\'virDomainCreateWithFlags() failed\', dom=self)\n', "libvirtError: internal error cannot load AppArmor profile 'libvirt-00497f97-a0fe-4a51-b7f6-6901d0d34791'\n"]
>>> 2013-07-24 16:46:43.408 1694 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lock/nova'
>>> 2013-07-24 17:26:43.627 1694 ERROR nova.manager [-] Error during ComputeManager._run_image_cache_manager_pass: [Errno 13] Permission denied: '/var/lock/nova'
>>> 2013-07-24 17:47:46.003 ERROR nova.compute.manager [req-370ac716-203d-43aa-a146-709297c715b3 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 8a4e0c84-07ec-40ab-9585-5433dff92b64] Instance failed to spawn
>>> 2013-07-24 17:47:55.194 ERROR nova.compute.manager [req-370ac716-203d-43aa-a146-709297c715b3 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 8a4e0c84-07ec-40ab-9585-5433dff92b64] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1520, in spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2435, in _create_domain_and_network\n    domain = self._create_domain(xml, instance=instance)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2396, in _create_domain\n    domain.createWithFlags(launch_flags)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 187, in doit\n    result = proxy_call(self._autowrap, f, *args, **kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 147, in proxy_call\n    rv = execute(f,*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 76, in tworker\n    rv = meth(*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 711, in createWithFlags\n    if ret == -1: raise libvirtError            (\'virDomainCreateWithFlags() failed\', dom=self)\n', "libvirtError: internal error cannot load AppArmor profile 'libvirt-8a4e0c84-07ec-40ab-9585-5433dff92b64'\n"]
>>> 2013-07-24 17:53:42.789 ERROR nova.compute.manager [req-153949aa-d5a7-473f-b79b-38616ae77441 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: d3bfc215-7e24-40d2-b6f9-a1542a2b9d05] Instance failed to spawn
>>> 2013-07-24 17:54:05.061 ERROR nova.compute.manager [req-153949aa-d5a7-473f-b79b-38616ae77441 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: d3bfc215-7e24-40d2-b6f9-a1542a2b9d05] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1520, in spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2435, in _create_domain_and_network\n    domain = self._create_domain(xml, instance=instance)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2396, in _create_domain\n    domain.createWithFlags(launch_flags)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 187, in doit\n    result = proxy_call(self._autowrap, f, *args, **kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 147, in proxy_call\n    rv = execute(f,*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 76, in tworker\n    rv = meth(*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 711, in createWithFlags\n    if ret == -1: raise libvirtError            (\'virDomainCreateWithFlags() failed\', dom=self)\n', "libvirtError: internal error cannot load AppArmor profile 'libvirt-d3bfc215-7e24-40d2-b6f9-a1542a2b9d05'\n"]
>>> 2013-07-24 18:05:44.677 ERROR nova.compute.manager [req-60486a96-54a1-4472-846b-b57209c68921 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 005f7640-a8ce-429a-ba91-85e7db1d86ac] Instance failed to spawn
>>> 2013-07-24 18:06:14.408 ERROR nova.compute.manager [req-60486a96-54a1-4472-846b-b57209c68921 c402785616534f2096b34ce132b7d3f2 d532a4fc2e9e4b5f83b6dec7085237e5] [instance: 005f7640-a8ce-429a-ba91-85e7db1d86ac] Error: ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 834, in _run_instance\n    set_access_ip=set_access_ip)\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1093, in _spawn\n    LOG.exception(_(\'Instance failed to spawn\'), instance=instance)\n', '  File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__\n    self.gen.next()\n', '  File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1520, in spawn\n    block_device_info)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2435, in _create_domain_and_network\n    domain = self._create_domain(xml, instance=instance)\n', '  File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2396, in _create_domain\n    domain.createWithFlags(launch_flags)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 187, in doit\n    result = proxy_call(self._autowrap, f, *args, **kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 147, in proxy_call\n    rv = execute(f,*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 76, in tworker\n    rv = meth(*args,**kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 711, in createWithFlags\n    if ret == -1: raise libvirtError            (\'virDomainCreateWithFlags() failed\', dom=self)\n', "libvirtError: internal error cannot load AppArmor profile 'libvirt-005f7640-a8ce-429a-ba91-85e7db1d86ac'\n"]
>>> 
>>> 
>>> cat /var/log/nova/nova-*.log | grep -E TRACE
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager Traceback (most recent call last):
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/manager.py", line 241, in periodic_tasks
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager     task(self, context)
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4007, in _run_image_cache_manager_pass
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager     storage_users.register_storage_use(CONF.instances_path, CONF.host)
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py", line 228, in inner
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager     retval = f(*args, **kwargs)
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/virt/storage_users.py", line 44, in register_storage_use
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager     with open(id_path, 'w') as f:
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager IOError: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 08:03:57.262 1820 TRACE nova.manager 
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager Traceback (most recent call last):
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/manager.py", line 241, in periodic_tasks
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager     task(self, context)
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4007, in _run_image_cache_manager_pass
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager     storage_users.register_storage_use(CONF.instances_path, CONF.host)
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py", line 228, in inner
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager     retval = f(*args, **kwargs)
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/virt/storage_users.py", line 44, in register_storage_use
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager     with open(id_path, 'w') as f:
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager IOError: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 08:43:57.655 1820 TRACE nova.manager 
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager Traceback (most recent call last):
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/manager.py", line 241, in periodic_tasks
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager     task(self, context)
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4007, in _run_image_cache_manager_pass
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager     storage_users.register_storage_use(CONF.instances_path, CONF.host)
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py", line 228, in inner
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager     retval = f(*args, **kwargs)
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/virt/storage_users.py", line 44, in register_storage_use
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager     with open(id_path, 'w') as f:
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager IOError: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 09:23:57.816 1820 TRACE nova.manager 
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager Traceback (most recent call last):
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/manager.py", line 241, in periodic_tasks
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager     task(self, context)
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4007, in _run_image_cache_manager_pass
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager     storage_users.register_storage_use(CONF.instances_path, CONF.host)
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py", line 228, in inner
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager     retval = f(*args, **kwargs)
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/virt/storage_users.py", line 44, in register_storage_use
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager     with open(id_path, 'w') as f:
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager IOError: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 10:03:57.993 1820 TRACE nova.manager 
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc] Traceback (most recent call last):
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc]     block_device_info)
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc]     admin_pass=admin_password)
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc]     fileutils.ensure_tree(basepath(suffix=''))
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc]   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc]     os.makedirs(path)
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc]   File "/usr/lib/python2.7/os.py", line 157, in makedirs
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc]     mkdir(name, mode)
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc] OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/55215431-0a42-4fc8-a642-c08d3cc5e2bc/'
>>> 2013-07-24 10:20:21.767 1820 TRACE nova.compute.manager [instance: 55215431-0a42-4fc8-a642-c08d3cc5e2bc] 
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd] Traceback (most recent call last):
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd]     block_device_info)
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd]     admin_pass=admin_password)
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd]     fileutils.ensure_tree(basepath(suffix=''))
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd]   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd]     os.makedirs(path)
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd]   File "/usr/lib/python2.7/os.py", line 157, in makedirs
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd]     mkdir(name, mode)
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd] OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/ca733a02-766e-46e1-9a15-bd2a12b10ebd/'
>>> 2013-07-24 10:33:17.279 1820 TRACE nova.compute.manager [instance: ca733a02-766e-46e1-9a15-bd2a12b10ebd] 
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73] Traceback (most recent call last):
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73]     block_device_info)
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73]     admin_pass=admin_password)
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73]     fileutils.ensure_tree(basepath(suffix=''))
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73]   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73]     os.makedirs(path)
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73]   File "/usr/lib/python2.7/os.py", line 157, in makedirs
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73]     mkdir(name, mode)
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73] OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/3b15a4e9-fb2c-452a-8045-16d1f58ebf73/'
>>> 2013-07-24 10:40:26.722 1820 TRACE nova.compute.manager [instance: 3b15a4e9-fb2c-452a-8045-16d1f58ebf73] 
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager Traceback (most recent call last):
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/manager.py", line 241, in periodic_tasks
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager     task(self, context)
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4007, in _run_image_cache_manager_pass
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager     storage_users.register_storage_use(CONF.instances_path, CONF.host)
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py", line 228, in inner
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager     retval = f(*args, **kwargs)
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager   File "/usr/lib/python2.7/dist-packages/nova/virt/storage_users.py", line 44, in register_storage_use
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager     with open(id_path, 'w') as f:
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager IOError: [Errno 13] Permission denied: '/var/lib/nova/instances/compute_nodes'
>>> 2013-07-24 10:43:58.194 1820 TRACE nova.manager 
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d] Traceback (most recent call last):
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]     block_device_info)
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1510, in spawn
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]     block_device_info=block_device_info)
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2326, in to_xml
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]     disk_info, rescue, block_device_info)
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2244, in get_guest_config
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]     inst_type):
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2051, in get_guest_storage_config
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]     inst_type)
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2013, in get_guest_disk_config
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]     self.disk_cachemode,
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 355, in disk_cachemode
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]     if not self._supports_direct_io(CONF.instances_path):
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1676, in _supports_direct_io
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]     {'path': dirpath, 'ex': str(e)})
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]     self.gen.next()
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1663, in _supports_direct_io
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d]     f = os.open(testfile, os.O_CREAT | os.O_WRONLY | os.O_DIRECT)
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d] OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/.directio.test'
>>> 2013-07-24 11:03:19.658 1685 TRACE nova.compute.manager [instance: 40c3fb5c-61d9-491a-9bfa-cac824a2887d] 
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3] Traceback (most recent call last):
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3]     block_device_info)
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3]     admin_pass=admin_password)
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3]     fileutils.ensure_tree(basepath(suffix=''))
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3]   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3]     os.makedirs(path)
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3]   File "/usr/lib/python2.7/os.py", line 157, in makedirs
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3]     mkdir(name, mode)
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3] OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3/'
>>> 2013-07-24 11:22:38.103 1685 TRACE nova.compute.manager [instance: fd3ab09d-fc9f-4ee9-b5f5-72540893ecd3] 
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b] Traceback (most recent call last):
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1089, in _spawn
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b]     block_device_info)
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1517, in spawn
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b]     admin_pass=admin_password)
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 1748, in _create_image
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b]     fileutils.ensure_tree(basepath(suffix=''))
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b]   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/fileutils.py", line 29, in ensure_tree
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b]     os.makedirs(path)
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b]   File "/usr/lib/python2.7/os.py", line 157, in makedirs
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b]     mkdir(name, mode)
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b] OSError: [Errno 13] Permission denied: '/var/lib/nova/instances/b60db5a8-92ea-4a81-bd53-d73dc2019b0b/'
>>> 2013-07-24 11:26:00.874 1685 TRACE nova.compute.manager [instance: b60db5a8-92ea-4a81-bd53-d73dc2019b0b] 
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/amqp.py", line 430, in _process_data
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     rval = self.proxy.dispatch(ctxt, version, method, **args)
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/rpc/dispatcher.py", line 133, in dispatch
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     return getattr(proxyobj, method)(ctxt, **kwargs)
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 117, in wrapped
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     temp_level, payload)
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 94, in wrapped
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     return f(self, context, *args, **kw)
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 209, in decorated_function
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     pass
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 195, in decorated_function
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 260, in decorated_function
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     function(self, context, *args, **kwargs)
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 237, in decorated_function
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     e, sys.exc_info())
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 224, in decorated_function
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     return function(self, context, *args, **kwargs)
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1210, in run_instance
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     do_run_instance()
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py", line 242, in inner
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     retval = f(*args, **kwargs)
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1209, in do_run_instance
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     admin_password, is_first_time, node, instance)
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 865, in _run_instance
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     self._set_instance_error_state(context, instance['uuid'])
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     self.gen.next()
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 857, in _run_instance
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp     filter_properties, bdms)
>>> 2013-07-24 11:27:08.045 1685 TRACE nova.openstack.common.rpc.amqp   File
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