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Nova+Quantum+Openvswitch, two physical hosts, create VM, error

I have two physical hosts, to create Nova+Quantum+Openvswitch. Both of the two hosts are installed all nova services. cc202 is the controller node and cc201 is the compute node. cc202:

nova-manage service list

2012-05-17 16:01:51 DEBUG nova.utils [req-9c491041-a017-4b74-97eb-57325ceb3963 None None] backend <module 'nova.db.sqlalchemy.api'="" from="" '="" usr="" lib="" python2.7="" dist-packages="" nova="" db="" sqlalchemy="" api.pyc'=""> from (pid=5151) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658 Binary Host Zone Status State Updated_At nova-compute cc202 nova enabled :-) 2012-05-17 08:01:32 nova-network cc202 nova enabled :-) 2012-05-17 08:01:47 nova-scheduler cc202 nova enabled :-) 2012-05-17 08:01:47 nova-consoleauth cc202 nova enabled :-) 2012-05-17 08:01:47 nova-scheduler cc201 nova enabled :-) 2012-05-17 08:01:47 nova-compute cc201 nova enabled :-) 2012-05-17 08:01:50 nova-network cc201 nova enabled :-) 2012-05-17 08:01:47

cc201:

nova-manage service list

2012-05-17 16:02:25 DEBUG nova.utils [req-fd82780f-1ca1-4ca3-9d01-e4c9a14998b4 None None] backend <module 'nova.db.sqlalchemy.api'="" from="" '="" usr="" lib="" python2.7="" dist-packages="" nova="" db="" sqlalchemy="" api.pyc'=""> from (pid=27584) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:658 Binary Host Zone Status State Updated_At nova-compute cc202 nova enabled :-) 2012-05-17 08:02:15 nova-network cc202 nova enabled :-) 2012-05-17 08:02:17 nova-scheduler cc202 nova enabled :-) 2012-05-17 08:02:17 nova-consoleauth cc202 nova enabled :-) 2012-05-17 08:02:17 nova-scheduler cc201 nova enabled :-) 2012-05-17 08:02:17 nova-compute cc201 nova enabled :-) 2012-05-17 08:02:24 nova-network cc201 nova enabled :-) 2012-05-17 08:02:17

is that normal? all services except nova-consoleauth had been double created! And when I created VM on cc202, It wasn't successful.