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Hello,

Unfortunatelly now I have no possibility to check it on newer release (but I 
will try). Those ports exists in neutron and IMHO it is correct because 
instance is not deleted but only shutdown (or suspended) so IP is still 
"reserver" for this vm - am I correct?
Second thing is that IMHO problem is not in neutron or ovs agent but more on 
nova because as I know nova-compute should remove port (tapXXX) from br-int 
bridge and then ovs agent "knows" that port was deleted - is it correct?
I check that if I remove port from bridge manually than in next loop ovs agent 
will clean everythink because he find that port is not exists.
I'm not using vlans but vxlan network on that hosts :)

--
Pozdrawiam,
Sławek Kapłoński
slawek at kaplonski.pl

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Dnia czwartek, 28 sierpnia 2014 09:47:23 Salvatore Orlando pisze:
> Hi,
> 
> it would be good if you can confirm whether this behaviour affects icehouse
> or trunk as well.
> Several bugs concerning nova/neutron communication as well as ovs agent
> handling of ports have been fixed during the last two release cycle.
> While the stable team did a great job in back-porting those fixes, some
> were not applied because they were too extensive.
> Are these "leftover" ports only present on the OVS agent, or do you see
> them in neutron as well? In the former case the problem might be mitigated
> as suggested by Martinx.
> 
> Another thing to check is whether these ports are wired or not. If they are
> on the "dead" VLAN (4095), then they're not wired, and while they surely
> represent a nuisance they will not be harmful.
> As Havana is now approaching EOL [1], I would focus on establishing whether
> this behaviour affects more recent releases as well.
> 
> Regards,
> Salvatore
> 
> [1]
> https://wiki.openstack.org/wiki/StableBranchRelease#Planned_stable.2Fhavana_
> releases
> On 28 August 2014 04:14, Martinx - ジェームズ <thiagocmartinsc at gmail.com> wrote:
> > Sometimes I need to run "sudo service neutron-ovs-cleanup restart ; sudo
> > reboot", on both Network Node and/or at the Compute Nodes too...
> > Rebooting alone isn't allways enough...
> > 
> > On 27 August 2014 20:37, 严超 <yanchao727 at gmail.com> wrote:
> >> Same questions here. I sometimes use ovs-vsctl command before manually.
> >> 
> >> *Best Regards！*
> >> 
> >> 
> >> *Chao Yan--------------**My twitter：Andy Yan @yanchao727
> >> <https://twitter.com/yanchao727>*
> >> 
> >> 
> >> *My Weibo：http://weibo.com/herewearenow
> >> <http://weibo.com/herewearenow>--------------*
> >> 
> >> 2014-08-28 5:26 GMT+08:00 Sławek Kapłoński <slawek at kaplonski.pl>:
> >>>  Hello,
> >>> 
> >>> I'm using Openstack havana release with neutron. Neutron is with ML2
> >>> plugin
> >>> and ovs_agents on hosts. Today I found that if for some reason compute
> >>> host is
> >>> for example rebooted and before restartt there was some instances on
> >>> host than
> >>> after restart instances are in state "SHUTOFF" and are not configured in
> >>> virsh
> >>> on compute host but nova-compute not remove ports from openvswitch
> >>> br-int
> >>> bridge and I ovs agent see those ports are still configured on host.
> >>> Is it known bug maybe? Maybe someone of You know some solution of that?
> >>> Thanks
> >>> in advance for any info about that.
> >>> 
> >>> --
> >>> Pozdrawiam,
> >>> Sławek Kapłoński
> >>> slawek at kaplonski.pl
> >>> 
> >>> --
> >>> Klucz GPG można pobrać ze strony:
> >>> http://kaplonski.pl/files/slawek_kaplonski.pub.key
> >>> --
> >>> My public GPG key can be downloaded from:
> >>> http://kaplonski.pl/files/slawek_kaplonski.pub.key
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