^Cuser@cloudHQ2:~$ sudo tail -f /var/log/nova/nova-compute.log
sudo: unable to resolve host cloudHQ2
(nova): TRACE:   File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/strategies.py", line 82, in connect
(nova): TRACE:     return dialect.connect(*cargs, **cparams)
(nova): TRACE:   File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 249, in connect
(nova): TRACE:     return self.dbapi.connect(*cargs, **cparams)
(nova): TRACE:   File "/usr/lib/pymodules/python2.7/MySQLdb/__init__.py", line 81, in Connect
(nova): TRACE:     return Connection(*args, **kwargs)
(nova): TRACE:   File "/usr/lib/pymodules/python2.7/MySQLdb/connections.py", line 187, in __init__
(nova): TRACE:     super(Connection, self).__init__(*args, **kwargs2)
(nova): TRACE: OperationalError: (OperationalError) (1130, "Host 'cloudHQ2' is not allowed to connect to this MySQL server") None None
(nova): TRACE: