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 henry4...@gmail.com wrote: Sent from my iPad On 2014-10-29, at 下午8:01, Robert van Leeuwen robert.vanleeu...@spilgames.com wrote: I find our current design

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 reprogramming

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 robert.vanleeu...@spilgames.com 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.

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 henry4...@gmail.com wrote: Sent from my iPad On 2014-10-29, at 下午8:01, Robert van Leeuwen robert.vanleeu...@spilgames.com wrote: I find our current design is remove all flows then add flow by entry, this will cause every network node will break off

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 mest...@mestery.com wrote: On Wed, Oct 29, 2014 at 7:25 AM, Hly henry4...@gmail.com wrote:

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 damon.dev...@gmail.com wrote: Hi all, We have suffered a long down time when we

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 damon.dev...@gmail.com 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

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

2014-10-28 Thread Zebra
: Tue, Oct 28, 2014 09:00 PM To: OpenStack Development Mailing List (not for usage questions)openstack-dev@lists.openstack.org; 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 damon.dev...@gmail.com

[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