[Openstack-operators] Neutron doesn't start - was Neutron connection issue

Kevin Benton kevin at benton.pub
Wed Mar 9 02:57:22 UTC 2016


Yes, if everything is on one box, you will only see one linux bridge agent.
On Mar 8, 2016 18:55, "Christopher Hull" <chrishull42 at gmail.com> wrote:

> Oh.  My bad.
> I installed Neutron Controller and Compute on the same node.  When I did
> Compute, I commented out the DB connection (as it said)... OOPS!   Put it
> back.  Now it works.   I feel silly.
>
> NOW
> I'm wondering where my Neutron Compute agent is.   I should see one
> Compute in this list.
>
>
> neutron agent-list
>
> +--------------------------------------+--------------------+--------+-------+----------------+---------------------------+
> | id                                   | agent_type         | host   |
> alive | admin_state_up | binary                    |
>
> +--------------------------------------+--------------------+--------+-------+----------------+---------------------------+
> | 41974f0e-4342-4027-a771-53443a8d1911 | Metadata agent     | maersk |
> :-)   | True           | neutron-metadata-agent    |
> | 9f002230-33ea-4523-a736-8d96a96a85f1 | Linux bridge agent | maersk |
> :-)   | True           | neutron-linuxbridge-agent |
> | ccb8cd1c-6c47-4df9-9e87-4b3b651c3427 | L3 agent           | maersk |
> :-)   | True           | neutron-l3-agent          |
> | ef5611be-edf3-4565-aaa7-a833bdc79d57 | DHCP agent         | maersk |
> :-)   | True           | neutron-dhcp-agent        |
>
> +--------------------------------------+--------------------+--------+-------+----------------+---------------------------+
>
> I should see this.
>
>
> neutron agent-list+--------------------------------------+--------------------+------------+-------+----------------+---------------------------+| id                                   | agent_type         | host       | alive | admin_state_up | binary                    |+--------------------------------------+--------------------+------------+-------+----------------+---------------------------+| 08905043-5010-4b87-bba5-aedb1956e27a | Linux bridge agent | compute1   | :-)   | True           | neutron-linuxbridge-agent || 27eee952-a748-467b-bf71-941e89846a92 | Linux bridge agent | controller | :-)   | True           | neutron-linuxbridge-agent || 830344ff-dc36-4956-84f4-067af667a0dc | L3 agent           | controller | :-)   | True           | neutron-l3-agent          || dd3644c9-1a3a-435a-9282-eb306b4b0391 | DHCP agent         | controller | :-)   | True           | neutron-dhcp-agent        || f49a4b81-afd6-4b3d-b923-66c8f0517099 | Metadata agent     | controller | :-)   | True           | neutron-metadata-agent    |+--------------------------------------+--------------------+------------+-------+----------------+---------------------------+
>
> HMM  Or should I see only one if running all on the same box??
>
>
> Thanks very much!!
>
> -Chris
>
>
>
> - Christopher T. Hull
> 333 Orchard Ave, Sunnyvale CA. 94085
> (415) 385 4865
> chrishull42 at gmail.com
> http://chrishull.com
>
>
>
> On Tue, Mar 8, 2016 at 6:47 PM, Kevin Benton <kevin at benton.pub> wrote:
>
>> Once you get it configured with a normal db backend, you will have to run
>> the neutron-db-manage command again to repopulate the schema.
>> On Mar 8, 2016 18:43, "Kevin Benton" <kevin at benton.pub> wrote:
>>
>>> Ah, it looks like neutron isn't configured to use a database so it's
>>> defaulting to an in-memory sqlite server. Check your connection string in
>>> the neutron config.
>>> On Mar 8, 2016 18:39, "Christopher Hull" <chrishull42 at gmail.com> wrote:
>>>
>>>> Ah Neutron didn't start...
>>>> I see this issue mentioned elsewhere, but haven't dug up a solution yet.
>>>> It was running before a reboot.   Hmmm.
>>>>
>>>> neutron-server does not start: OperationalError: (OperationalError) no
>>>> such table: ml2_vlan_allocations
>>>>
>>>>
>>>> 2016-03-08 20:55:08.491 1664 ERROR neutron
>>>> cursor.execute(statement, parameters)
>>>>
>>>> 2016-03-08 20:55:08.491 1664 ERROR neutron OperationalError:
>>>> (sqlite3.OperationalError) no such table: ml2_vlan_allocations [SQL:
>>>> u'SELECT ml2_vlan_allocations.physical_network AS
>>>> ml2_vlan_allocations_physical_network, ml2_vlan_allocations.vlan_id AS
>>>> ml2_vlan_allocations_vlan_id, ml2_vlan_allocations.allocated AS
>>>> ml2_vlan_allocations_allocated \nFROM ml2_vlan_allocations']
>>>>
>>>> 2016-03-08 20:55:08.491 1664 ERROR neutron
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> OpenStack-operators mailing list
>>>> OpenStack-operators at lists.openstack.org
>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
>>>>
>>>>
>
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