And yes, the bug https://bugs.launchpad.net/fuel/+bug/1272842 and current problem can be unrelated but they have similar error messages in OVS logs.
On Tue, Feb 25, 2014 at 2:55 AM, Andrey Danin <[email protected]> wrote: > Guys, I set up hardware (2 nodes) and software (3 nodes) labs today with > ISO #181 to test bonding. Unfortunately, balance-tcp mode is totally > broken. When I use it during deployment or switch to it in a working > cluster, all traffic stops. Playing with rebalance interval doesn't help. > On the contrary, balance-slb works fine. Both Ubuntu (Hhardware nodes) and > CentOS (virtual env) works without any traffic lost. I'm running a flooded > ping between virtual instances inside of clouds for a night and will check > a number of lost packets. Also I want to play with iperf. > > Next things we can do: > * Build an ISO with stable (1.9.3) or newest (2.0.x) version of OVS and > play with them. Yesterday we decided to build Ubuntu 12.04 with Debian Sid > 1.9.3 version of OVS. There is the ticket about that > https://mirantis.jira.com/browse/OSCI-1089 Also Igor built its own > version of an ISO with Sid package. > * Dump openflow rules in balance-tcp mode and try to fix them. It's hard > to do that because Aliens developed their syntax. > * Run Igor's tests again and again until balance-slb starts block a > traffic. Then dig into openflow rules. > * Play with LACP on a real hardware. Maybe balance-tcp can be used only > with lacp=active. > * Ask the openvswitch community about our problems. > > Andrew, yes, the PXE network still nailed to an interface. I hope we will > fix it in 5.0. > > > On Tue, Feb 25, 2014 at 12:20 AM, Igor Shishkin <[email protected]>wrote: > >> Hello, Dmitry. >> >> It’s 100% reproducible on virtual environment when we’re trying to deploy >> bonding in balance tcp or balance slb mode. >> Tests related as a way to reproduce and a warning why these tests should >> fail when they’ll be merged. >> >> As we can see problem is in rebalance procedure openvswitch tries to do >> since it started bonded interface. And in this time bonded interfaces stops >> to accept ARPs. >> >> I just built openvswitch=1.9.3 which is LTS and wanna try it in the same >> case and try to descrease bond-rebalance-interval to 0(as Andrey K. >> suggested). If any of this will help - this could be the solution(but I'm >> really not sure bond-rebalance-interval=0 is a good way). >> — >> Igor Shishkin >> QA Engineer >> >> >> >> On 24 Feb 2014, at 23:59, Dmitry Borodaenko <[email protected]> >> wrote: >> >> > Mike, Igor, >> > >> > Can you provide more details on how the integration test in review >> > #75161 helps to reproduce bug #1272842? >> > >> > As far as I understand, the bug is a highly intermittent problem with >> > ARP that was only showing up after an environment with LACP bonding >> > was operational for at least a few hours. >> > >> > On the other hand, the problem Igor is reporting based on the >> > integration test sounds like something 100% reproducible that doesn't >> > require real hardware or LACP and is not necessarily related to ARP. >> > >> > Are you sure you're not confusing two unrelated problems? >> > >> > Thanks, >> > -DmitryB >> > >> > >> > On Mon, Feb 24, 2014 at 9:18 AM, Mike Scherbakov >> > <[email protected]> wrote: >> >> The issue is here: https://bugs.launchpad.net/fuel/+bug/1272842. >> >> Those who know what can be wrong with our openvswitch/kernel, please >> provide >> >> your input.. >> >> >> >> >> >> On Mon, Feb 24, 2014 at 9:04 PM, Igor Shishkin <[email protected] >> > >> >> wrote: >> >>> >> >>> Hello, >> >>> >> >>> Currently we have this review https://review.openstack.org/#/c/75161with >> >>> test cases for our brand new shiny bonding feature but >> >>> balance-tcp/balance-slb modes are not working for now. >> >>> >> >>> Steps to reproduce are very simple: >> >>> Create cluster with simple or HA configuration, select balance-tcp or >> >>> balance-slb bonding mode and start deployment. >> >>> >> >>> Deployment will not finish with success because of rebalance procedure >> >>> problems. >> >>> -- >> >>> Igor Shishkin >> >>> QA Engineer >> >>> >> >>> >> >>> >> >> >> >> >> >> >> >> -- >> >> Mike Scherbakov >> >> #mihgen >> >> >> >> -- >> >> Mailing list: https://launchpad.net/~fuel-dev >> >> Post to : [email protected] >> >> Unsubscribe : https://launchpad.net/~fuel-dev >> >> More help : https://help.launchpad.net/ListHelp >> >> >> > >> > >> > >> > -- >> > Dmitry Borodaenko >> >> >> -- >> Mailing list: https://launchpad.net/~fuel-dev >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~fuel-dev >> More help : https://help.launchpad.net/ListHelp >> > > > > -- > Andrey Danin > [email protected] > skype: gcon.monolake > -- Andrey Danin [email protected] skype: gcon.monolake
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