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?
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
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