Re: [Openstack] not able to start nova-compute "Instance could not be found"

Razique Mahroua Tue, 15 May 2012 00:55:16 -0700

Hi :-)
Did you use to have that instance and destroyed it - lost it while it is still logged into the database ?
does $ nova list works, if so use it to retrieve the compute node used for it and check /var/lib/nova/instances, or connect to the node, and isue :
$ virsh list --all

Razique

Shashi Kanth Boddula

14 mai 2012 20:36
Essex on Ubuntu 12.04 LTS.

I am not able to start nova-compute service.

# start nova-compute
nova-compute start/running, process 2262

# status nova-compute
nova-compute stop/waiting

In the log i see bellow. "Instance instance-00000009 could not be found".

2012-05-15 00:02:11 INFO nova.rpc.common [req-16833960-e870-4425-9ef9-be21737ffa9d None None] Connected to AMQP server on openstack:5672
2012-05-15 00:02:12 CRITICAL nova [-] Instance instance-00000009 could not be found.
2012-05-15 00:02:12 TRACE nova Traceback (most recent call last):
2012-05-15 00:02:12 TRACE nova   File "/usr/bin/nova-compute", line 49, in <module>
2012-05-15 00:02:12 TRACE nova     service.wait()
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 413, in wait
2012-05-15 00:02:12 TRACE nova     _launcher.wait()
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 131, in wait
2012-05-15 00:02:12 TRACE nova     service.wait()
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 166, in wait
2012-05-15 00:02:12 TRACE nova     return self._exit_event.wait()
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/eventlet/event.py", line 116, in wait
2012-05-15 00:02:12 TRACE nova     return hubs.get_hub().switch()
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 177, in switch
2012-05-15 00:02:12 TRACE nova     return self.greenlet.switch()
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/eventlet/greenthread.py", line 192, in main
2012-05-15 00:02:12 TRACE nova     result = function(*args, **kwargs)
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 101, in run_server
2012-05-15 00:02:12 TRACE nova     server.start()
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 162, in start
2012-05-15 00:02:12 TRACE nova     self.manager.init_host()
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 247, in init_host
2012-05-15 00:02:12 TRACE nova     self.reboot_instance(context, instance['uuid'])
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
2012-05-15 00:02:12 TRACE nova     return f(*args, **kw)
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 153, in decorated_function
2012-05-15 00:02:12 TRACE nova     function(self, context, instance_uuid, *args, **kwargs)
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 171, in decorated_function
2012-05-15 00:02:12 TRACE nova     return function(self, context, instance_uuid, *args, **kwargs)
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 898, in reboot_instance
2012-05-15 00:02:12 TRACE nova     reboot_type)
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 114, in wrapped
2012-05-15 00:02:12 TRACE nova     return f(*args, **kw)
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 718, in reboot
2012-05-15 00:02:12 TRACE nova     if self._soft_reboot(instance):
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 738, in _soft_reboot
2012-05-15 00:02:12 TRACE nova     dom = self._lookup_by_name(instance.name)
2012-05-15 00:02:12 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/connection.py", line 1542, in _lookup_by_name
2012-05-15 00:02:12 TRACE nova     raise exception.InstanceNotFound(instance_id=instance_name)
2012-05-15 00:02:12 TRACE nova InstanceNotFound: Instance instance-00000009 could not be found.
2012-05-15 00:02:12 TRACE nova

Anyone help me how to solve this issue?

Thanks in advance.

# nova-manage service list
nova-compute     openstack                            nova             enabled    XXX   2012-05-14 12:38:29
nova-scheduler   openstack                            nova             enabled    :-)   2012-05-14 18:35:15
nova-volume      openstack                            nova             enabled    :-)   2012-05-14 18:35:16
nova-network     openstack                            nova             enabled    :-)   2012-05-14 18:35:14
nova-consoleauth openstack                            nova             enabled    :-)   2012-05-14 18:35:22

--
Thanks & Regards,
Shashi Kanth

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Nuage & Co - Razique Mahroua
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Re: [Openstack] not able to start nova-compute "Instance could not be found"

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