Large number of VMs (~1000) and libvirt exception

Hi, Pawel

You create 1,000 instances at one request? That was crazy!! wah

It seems like libvirt is crash or not connected.

2013/9/5 Paweł Koniszewski <email address hidden>

> New question #235190 on OpenStack Compute (nova):
> https://answers.launchpad.net/nova/+question/235190
>
> Hi,
>
> I have a problem with uncaught exception in nova. I was not able to
> schedule one thousand of VMs, because the closer I was to schedule all
> needed VMs, the more VMs were throwing exceptions. This is what 'nova show'
> shows:
>
> {u'message': u'AttributeError', u'code': 500, u'details': u'\'NoneType\'
> object has no attribute \'lookupByName\'
> File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 224,
> in decorated_function
> return function(self, context, *args, **kwargs)
> File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line
> 1224, in run_instance
> do_run_instance()
> File
> "/usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py", line
> 242, in inner
> retval = f(*args, **kwargs)
> File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line
> 1223, in do_run_instance
> admin_password, is_first_time, node, instance)
> File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 879,
> in _run_instance
> self._set_instance_error_state(context, instance[\'uuid\'])
> File "/usr/lib/python2.7/contextlib.py", line 24, in __exit__
> self.gen.next()
> File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 790,
> in _run_instance
> self._check_instance_exists(context, instance)
> File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 987,
> in _check_instance_exists
> if self.driver.instance_exists(instance[\'name\']):
> File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line
> 647, in instance_exists
> self._lookup_by_name(instance_name)
> File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line
> 2354, in _lookup_by_name
> return self._conn.lookupByName(instance_name)
> ', u'created': u'2013-09-03T11:57:38Z'}
>
> Any suggestions on that?
>
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>

--
Best regards,
gtt