[openstack-dev] [neutron] Generic question about synchronizing neutron agent on compute node with DB

Sławek Kapłoński slawek at kaplonski.pl
Sat Mar 14 10:19:02 UTC 2015


I'm using ovs agents with L2 population mechanism in ML2 plugin. I noticed 
that sometimes agents don't receive proper RPC to add new vxlan tunnel 
openflow rules and then vxlan network between some compute nodes not working.
I'm now using still havana release but want to upgrade to Juno. I was checking 
Juno code in l2 population mech driver and ovs plugin and I didn't find 
anything like periodic check if openflow rules are proper set or maybe 
Maybe it would be also good idea to add something like that to ovs agent?

Pozdrawiam / Best regards
Sławek Kapłoński
slawek at kaplonski.pl

Dnia piątek, 13 marca 2015 11:18:28 YAMAMOTO Takashi pisze:
> > However, I briefly looked through the L2 agent code and didn't see a
> > periodic task to resync the port information to protect from a neutron
> > server that failed to send a notification because it crashed or lost its
> > amqp connection. The L3 agent has a period sync routers task that helps in
> > this regard. Maybe another neutron developer more familiar with the L2
> > agent can chime in here if I'm missing anything.
> i don't think you are missing anything.
> periodic sync would be a good improvement.
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