Open Stack

Hi All,

I have a openstack setup(Grizzly) with 1 controller and multiple compute
nodes. I am facing an issue where the connectivity of controller and one of
the compute nodes breaks. The nova service-list command shows that compute
as down.

I see the below error in the compute logs at the same time:

2014-02-11 03:06:16.216 28879 ERROR nova.servicegroup.drivers.db [-] model
server went away 2014-02-11 03:06:16.216 28879 TRACE
nova.servicegroup.drivers.db Traceback (most recent call last): 2014-02-11
03:06:16.216 28879 TRACE nova.servicegroup.drivers.db File
"/usr/lib/python2.6/site-packages/nova/servicegroup/drivers/db.py", line
88, in _report_state 2014-02-11 03:06:16.216 28879 TRACE
nova.servicegroup.drivers.db report_count =
service.service_ref['report_count'] + 1 2014-02-11 03:06:16.216 28879 TRACE
nova.servicegroup.drivers.db TypeError: 'NoneType' object is unsubscriptable

Any pointers to debug this will be helpful.

Thanks
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