Re: [openstack-dev] [neutron] Clear all flows when ovs agent start? why and how avoid?

2014-10-31 Thread A, Keshava
) Subject: Re: [openstack-dev] [neutron] Clear all flows when ovs agent start? why and how avoid? On Wed, Oct 29, 2014 at 7:25 AM, Hly wrote: > > > Sent from my iPad > > On 2014-10-29, at 下午8:01, Robert van Leeuwen > wrote: > >>>> I find our current design is

Re: [openstack-dev] [neutron] Clear all flows when ovs agent start? why and how avoid?

2014-10-29 Thread Armando M.
I must admit I haven't digged up too much, but this might also look suspicious: https://review.openstack.org/#/c/96782/ Perhaps it's a combination of both? :) On 29 October 2014 08:17, Kyle Mestery wrote: > On Wed, Oct 29, 2014 at 7:25 AM, Hly wrote: > > > > > > Sent from my iPad > > > > On 2

Re: [openstack-dev] [neutron] Clear all flows when ovs agent start? why and how avoid?

2014-10-29 Thread Kyle Mestery
On Wed, Oct 29, 2014 at 7:25 AM, Hly wrote: > > > Sent from my iPad > > On 2014-10-29, at 下午8:01, Robert van Leeuwen > wrote: > I find our current design is remove all flows then add flow by entry, this will cause every network node will break off all tunnels between other network

Re: [openstack-dev] [neutron] Clear all flows when ovs agent start? why and how avoid?

2014-10-29 Thread Hly
Sent from my iPad On 2014-10-29, at 下午8:01, Robert van Leeuwen wrote: >>> I find our current design is remove all flows then add flow by entry, this >>> will cause every network node will break off all tunnels between other >>> network node and all compute node. >> Perhaps a way around this w

Re: [openstack-dev] [neutron] Clear all flows when ovs agent start? why and how avoid?

2014-10-29 Thread Robert van Leeuwen
> > I find our current design is remove all flows then add flow by entry, this > > will cause every network node will break off all tunnels between other > > network node and all compute node. > Perhaps a way around this would be to add a flag on agent startup > which would have it skip reprogrammi

Re: [openstack-dev] [neutron] Clear all flows when ovs agent start?why and how avoid?

2014-10-28 Thread Zebra
Date: Tue, Oct 28, 2014 09:00 PM To: "OpenStack Development Mailing List (not for usage questions)"; Subject: Re: [openstack-dev] [neutron] Clear all flows when ovs agent start?why and how avoid? On Mon, Oct 27, 2014 at 10:01 PM, Damon Wang wrote: > Hi all, > > We have suf

Re: [openstack-dev] [neutron] Clear all flows when ovs agent start? why and how avoid?

2014-10-28 Thread Kyle Mestery
On Mon, Oct 27, 2014 at 10:01 PM, Damon Wang wrote: > Hi all, > > We have suffered a long down time when we upgrade our public cloud's neutron > into the latest version (close to Juno RC2), for ovs-agent cleaned all flows > in br-tun when it start. > This is likely due to this bug [1] which was fi

Re: [openstack-dev] [neutron] Clear all flows when ovs agent start? why and how avoid?

2014-10-28 Thread Mathieu Rohon
Hi wei, the agent will be re-worked with modular l2 agent [1] your proposal could be handle during this work. [1]https://review.openstack.org/#/c/106189/ Mathieu On Tue, Oct 28, 2014 at 4:01 AM, Damon Wang wrote: > Hi all, > > We have suffered a long down time when we upgrade our public cloud'

[openstack-dev] [neutron] Clear all flows when ovs agent start? why and how avoid?

2014-10-27 Thread Damon Wang
Hi all, We have suffered a long down time when we upgrade our public cloud's neutron into the latest version (close to Juno RC2), for ovs-agent cleaned all flows in br-tun when it start. I find our current design is remove all flows then add flow by entry, this will cause every network node will