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The issue is irrelevant, the error message is generic when Nova fails
to connect to Neutron. Have you checked that your Controller is able
to reach Network node?
On 20/08/14 18:04, Xin Zhao wrote:
Revisiting this issue, I see there is a bug report
https://bugs.launchpad.net/nova/+bug/1251784, which is supposed to
be fixed. Is the fix not in the RDO rpms, or do I misconfigure
anything? Any suggestions where to debug it?
Thanks, Xin
On 8/11/2014 2:21 PM, Zhao, Xin wrote:
> Hello,
>
> I am setting up a 3-node icehouse testbed on RHEL6.5, using RDO,
> the testbed has one controller node, one network node and one
> compute node. I use ML2 plugin, with OVS mechanism and VLAN
> type.
>
> When I start an instance, it fails. On the compute node nova.log
> file, there is the following error messages:
>
>
> 2014-08-11 17:05:44.234 25860 WARNING nova.compute.manager [-]
> [instance: fdaba1ab-728b-4352-89b1-57f302496a07] Instance failed
> network setup (attempt 1 of 3) 2014-08-11 17:05:45.240 25860
> WARNING nova.compute.manager [-] [instance:
> fdaba1ab-728b-4352-89b1-57f302496a07] Instance failed network
> setup (attempt 2 of 3) 2014-08-11 17:05:47.254 25860 ERROR
> nova.compute.manager [-] Instance failed network setup after 3
> attempt(s) 2014-08-11 17:05:47.254 25860 TRACE
> nova.compute.manager Traceback (most recent call last):
> 2014-08-11 17:05:47.254 25860 TRACE nova.compute.manager File
> "/usr/lib/python2.6/site-packages/nova/compute/manager.py", line
> 1504, in _allocate_network_async 2014-08-11 17:05:47.254 25860
> TRACE nova.compute.manager dhcp_options=dhcp_options) 2014-08-11
> 17:05:47.254 25860 TRACE nova.compute.manager File
> "/usr/lib/python2.6/site-packages/nova/network/neutronv2/api.py",
> line 259, in allocate_for_instance 2014-08-11 17:05:47.254 25860
> TRACE nova.compute.manager net_ids) 2014-08-11 17:05:47.254 25860
> TRACE nova.compute.manager File
> "/usr/lib/python2.6/site-packages/nova/network/neutronv2/api.py",
> line 128, in _get_available_networks 2014-08-11 17:05:47.254
> 25860 TRACE nova.compute.manager nets =
> neutron.list_networks(**search_opts).get('networks', [])
> 2014-08-11 17:05:47.254 25860 TRACE nova.compute.manager File
> "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py",
> line 111, in with_params 2014-08-11 17:05:47.254 25860 TRACE
> nova.compute.manager ret = self.function(instance, *args,
> **kwargs) 2014-08-11 17:05:47.254 25860 TRACE
> nova.compute.manager File
> "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py",
> line 333, in list_networks 2014-08-11 17:05:47.254 25860 TRACE
> nova.compute.manager **_params) 2014-08-11 17:05:47.254 25860
> TRACE nova.compute.manager File
> "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py",
> line 1250, in list 2014-08-11 17:05:47.254 25860 TRACE
> nova.compute.manager for r in self._pagination(collection,
> path, **params): 2014-08-11 17:05:47.254 25860 TRACE
> nova.compute.manager File
> "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py",
> line 1263, in _pagination 2014-08-11 17:05:47.254 25860 TRACE
> nova.compute.manager res = self.get(path, params=params)
> 2014-08-11 17:05:47.254 25860 TRACE nova.compute.manager File
> "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py",
> line 1236, in get 2014-08-11 17:05:47.254 25860 TRACE
> nova.compute.manager headers=headers, params=params) 2014-08-11
> 17:05:47.254 25860 TRACE nova.compute.manager File
> "/usr/lib/python2.6/site-packages/neutronclient/v2_0/client.py",
> line 1228, in retry_request 2014-08-11 17:05:47.254 25860 TRACE
> nova.compute.manager raise
> exceptions.ConnectionFailed(reason=_("Maximum attempts
> reached")) 2014-08-11 17:05:47.254 25860 TRACE
> nova.compute.manager ConnectionFailed: Connection to neutron
> failed: Maximum attempts reached 2014-08-11 17:05:47.254 25860
> TRACE nova.compute.manager 2014-08-11 17:05:49.069 25860 WARNING
> nova.virt.disk.vfs.guestfs
> [req-a534fed9-ebea-4a61-8064-ff3d3db2e6ea
> f6bd9769708b4fbe971a616143c6959f
> eea3753cf3ce471ba60c434e7382750c] Failed to close augeas
> aug_close: do_aug_close: you must call 'aug-init' first to
> initialize Augeas 2014-08-11 17:05:49.222 25860 ERROR
> nova.compute.manager [req-a534fed9-ebea-4a61-8064-ff3d3db2e6ea
> f6bd9769708b4fbe971a616143c6959f
> eea3753cf3ce471ba60c434e7382750c] [instance:
> fdaba1ab-728b-4352-89b1-57f302496a07] Instance failed to spawn
>
> On the controller node and network node, I don't see much errors
> from the neutron services log files. I can connect to the
> (standalone) DB from the network node, using the
> username/password inside the neutron.conf file.
>
> Here are the relevant rpms on the compute node:
>
> openstack-utils-2014.1-3.el6.noarch
> openstack-neutron-openvswitch-2014.1.1-8.el6.noarch
> openstack-neutron-ml2-2014.1.1-8.el6.noarch
> openstack-nova-compute-2014.1.1-3.el6.noarch
> openstack-neutron-2014.1.1-8.el6.noarch
> openstack-nova-common-2014.1.1-3.el6.noarch
> openstack-selinux-0.1.3-2.el6ost.noarch
> python-neutronclient-2.3.4-1.el6.noarch
> python-neutron-2014.1.1-8.el6.noarch
>
> Any idea what went wrong?
>
> Thanks a lot, Xin
>
>
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