cinder-manager db sync Traceback (most recent call last): File "/usr/bin/cinder-manage", line 794, in <module> main() File "/usr/bin/cinder-manage", line 791, in main fn(fn_args) File "/usr/bin/cinder-manage", line 219, in sync return migration.db_sync(version) File "/usr/lib/python2.7/dist-packages/cinder/db/migration.py", line 33, in db_sync return IMPL.db_sync(version=version) File "/usr/lib/python2.7/dist-packages/cinder/db/sqlalchemy/migration.py", line 76, in db_sync current_version = db_version() File "/usr/lib/python2.7/dist-packages/cinder/db/sqlalchemy/migration.py", line 88, in db_version return versioning_api.db_version(get_engine(), repository) File "/usr/lib/python2.7/dist-packages/cinder/db/sqlalchemy/session.py", line 138, in get_engine _ENGINE.connect() File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2471, in connect return self._connection_cls(self, *kwargs) File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 878, in __init__ self.__connection = connection or engine.raw_connection() File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 2557, in raw_connection return self.pool.unique_connection() File "/usr/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 184, in unique_connection return _ConnectionFairy(self).checkout() File "/usr/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 401, in __init__ rec = self._connection_record = pool._do_get() File "/usr/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 746, in _do_get con = self._create_connection() File "/usr/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 189, in _create_connection return _ConnectionRecord(self) File "/usr/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 282, in __init__ self.connection = self.__connect() File "/usr/lib/python2.7/dist-packages/sqlalchemy/pool.py", line 344, in __connect connection = self.__pool._creator() File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/strategies.py", line 80, in connect return dialect.connect(cargs, *cparams) File "/usr/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 281, in connect return self.dbapi.connect(cargs, *cparams) File "/usr/lib/python2.7/dist-packages/MySQLdb/__init__.py", line 81, in Connect return Connection(args, *kwargs) File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 187, in __init__ super(Connection, self).__init__(args, *kwargs2) OperationalError: (OperationalError) (2003, "Can't connect to MySQL server on 'l92.168.2.110' (111)") None None