Open Stack

Hi All,

I keep seeing this in the logs when deleting an instance ( and it takes
significantly longer than on other Hyper Visors ) :

2014-07-18 09:16:50.453 23230 ERROR nova.virt.driver [-] Exception
dispatching event <nova.virt.event.LifecycleEvent object at 0x3382650>:
Info cache for instance {uuid goes here} could not be found.
Traceback (most recent call last):

  File "/usr/lib/python2.6/site-packages/nova/conductor/manager.py", line
597, in _object_dispatch
    return getattr(target, method)(context, *args, **kwargs)

  File "/usr/lib/python2.6/site-packages/nova/objects/base.py", line 151,
in wrapper
    return fn(self, ctxt, *args, **kwargs)

  File "/usr/lib/python2.6/site-packages/nova/objects/instance.py", line
500, in refresh
    self.info_cache.refresh()

  File "/usr/lib/python2.6/site-packages/nova/objects/base.py", line 151,
in wrapper
    return fn(self, ctxt, *args, **kwargs)

  File
"/usr/lib/python2.6/site-packages/nova/objects/instance_info_cache.py",
line 103, in refresh
    self.instance_uuid)

  File "/usr/lib/python2.6/site-packages/nova/objects/base.py", line 112,
in wrapper
    result = fn(cls, context, *args, **kwargs)

  File
"/usr/lib/python2.6/site-packages/nova/objects/instance_info_cache.py",
line 70, in get_by_instance_uuid
    instance_uuid=instance_uuid)

InstanceInfoCacheNotFound: Info cache for instance {uuid goes here} could
not be found.


I had a look around and there used to be a bug that got fixed, I cant seem
to see this on happening on a different HV (lets call it stack1) that runs
the same version of openstack, however, that HV (stack1) was provisioned
with packstack vs the one reporting above (stack2) via my own puppet
module/manifest ...

When deleting the VM from stack2, it also takes significantly longer than
on stack1 ...

Anyone got any ideas ? I dont see the same happening on stack1.

Thanks all!
Alex
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