On Mon, Oct 18, 2021 at 1:12 PM Ammad Syed <[email protected]> wrote:
> Hi Brendan, > > Not sure but this could be related to the patch below in neutron that was > recently released. > > > https://opendev.org/openstack/neutron/commit/f6c35527698119ee6f73a6a3613c9beebb563840 > Not really, as this commit that you refer to is to reduce the memory footprint in the neutron-server process itself. Neutron never inserts anything into the MAC_Binding table. However, we landed another patch [0] that will likely minimize this issue as it will reduce the MAC_Binding insertions, limiting them only to MAC addresses that need to be reached out by the overlay. Thanks! daniel [0] https://review.opendev.org/c/openstack/neutron/+/813610 > > Ammad > > On Mon, Oct 18, 2021 at 3:40 PM Brendan Doyle <[email protected]> > wrote: > >> >> I too am seeing many entries in the ovn-controller log like these: >> >> ovn/ovn-controller.log:2021-10-18T09:50:46.984Z|00164|ovsdb_idl|WARN|transaction >> error: {"details":"Transaction causes multiple rows in \"MAC_Binding\" >> table to have identical values (lr_vcn6727324-ls_vcn6727324_external_ugw >> and \"253.255.80.18\") for index on columns \"logical_port\" and \"ip\". >> First row, with UUID 614509d1-5dfc-4268-94b7-6190c1bd8c58, was inserted by >> this transaction. Second row, with UUID >> 5b56044f-7e62-4e6b-b559-2bca31ad5ab0, existed in the database before this >> transaction and was not modified by the transaction.","error":"constraint >> violation"} >> >> >> So with my limited understanding of the MAC_Binding table I'm wondering >> are these benign? >> > I think it's benign > >> In that is it that we for what ever reason have decided that we need to >> do an ARP to discover >> a MAC, then ovn-controller tries to add the discovered MAC to the >> MAC_Binding only to find >> that it is already there. In which case the question is why was an ARP >> request sent when >> we already had a MAC binding. >> >> For me these are only ever seen on Distributed router Port Gateways. >> >> >> On 12/10/2021 13:06, Ammad Syed wrote: >> >> Hi, >> >> I am using openstack with ml2/ovn. I have two gateway chassis whenever I >> shutdown one chassis and bring it back online, I see below error in >> ovn-controller logs. >> >> Can you please advise the way to fix it ? >> >> 2021-10-12T11:49:22.124Z|00511|binding|INFO|cr-lrp-4c882760-15b1-4cf4-b680-53e88880e928: >> Claiming fa:16:3e:55:12:5a 101.53.244.97/24 >> <https://urldefense.com/v3/__http://101.53.244.97/24__;!!ACWV5N9M2RV99hQ!eo4L8XZbywCy0zb_p7-7LEVv9xl6g9V8JEf6oZTAO21scCtNAudRSGcK9mYnwIip1bQ$> >> 2021-10-12T11:49:22.126Z|00512|binding|INFO|Releasing lport >> cr-lrp-4c882760-15b1-4cf4-b680-53e88880e928 from this chassis. >> 2021-10-12T11:50:32.032Z|00513|ovsdb_idl|WARN|transaction error: >> {"details":"Transaction causes multiple rows in \"MAC_Binding\" table to >> have identical values (lrp-4c882760-15b1-4cf4-b680-53e88880e928 and >> \"fe80::6a4f:64ff:fef7:8c0\") for index on columns \"logical_port\" and >> \"ip\". First row, with UUID cbc847e6-75e4-4d73-9906-4fef221cad38, was >> inserted by this transaction. Second row, with UUID >> bcac2e3e-5f32-411a-afcf-3249b85700f4, existed in the database before this >> transaction and was not modified by the transaction.","error":"constraint >> violation"} >> >> Ammad >> >> _______________________________________________ >> discuss mailing >> [email protected]https://urldefense.com/v3/__https://mail.openvswitch.org/mailman/listinfo/ovs-discuss__;!!ACWV5N9M2RV99hQ!eo4L8XZbywCy0zb_p7-7LEVv9xl6g9V8JEf6oZTAO21scCtNAudRSGcK9mYnI7H-cyA$ >> >> >> _______________________________________________ >> discuss mailing list >> [email protected] >> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss >> > > > -- > Regards, > > > Syed Ammad Ali > _______________________________________________ > discuss mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss >
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