Fine. They wrote about that in the documentation too: http://openvswitch.org/ovs-vswitchd.conf.db.5.pdf page 14 It was introduced two years ago since version 1.5.0. One problem less!
On Tue, Feb 25, 2014 at 3:37 AM, Ryan Moe <[email protected]> wrote: > Andrey is correct. It appears that balance-tcp requires successful LACP > negotiation. See here: > https://github.com/osrg/openvswitch/blob/master/lib/bond.c#L610 and here: > https://github.com/osrg/openvswitch/blob/master/lib/bond.c#L1438. This > also means that when we create bonds with balance-tcp we need to configure > lacp as well. > > > On Mon, Feb 24, 2014 at 3:14 PM, Andrey Danin <[email protected]> wrote: > >> 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/75161 with >>>> >>> 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 >> >> -- >> 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
-- Mailing list: https://launchpad.net/~fuel-dev Post to : [email protected] Unsubscribe : https://launchpad.net/~fuel-dev More help : https://help.launchpad.net/ListHelp
