[openstack-dev] [nova] nova-compute not re-establishing connectivity after controller switchover

Chris Friesen chris.friesen at windriver.com
Mon Mar 24 17:01:28 UTC 2014

On 03/24/2014 10:41 AM, Chris Friesen wrote:
> We've been stress-testing our system doing controlled switchover of
> the controller.  Normally this works okay, but we've run into a
> situation that seems to show a flaw in the reconnection logic.
> On the compute node, nova-compute has managed to get into a state
> where it shows as "down" in "nova service-list", and the
> nova-compute.log seems to show it never managing to reconnect with
> the AMQP server.
> I've included logs below showing what seems to be the beginning of
> the problem and then showing it transitioning to the periodic logs
> without a successful reconnection.  The periodic logs have now been
> going for roughly seven hours...
> Any ideas on what might be going on would be appreciated.

I suppose I should mention that we're running Havana, not the current code.


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