Hello team: Part of upgrading OVN from 2.11* versions to the latest 23.09, we have found issues in existing north south gateways where failover doesn't work as expected when connected to the latest 23.09 raft control plane.
OVS datapath version 2.16.0-2 on host. Tunneling protocol is stt ovn-controller is running in a container with hostnetwork with version 23.09 on the north south gateways using ovs user space 3.2.* Following the https://docs.ovn.org/en/latest/intro/install/ovn-upgrades.html#fail-safe-upgrade , even if setting northd version on the gateways, when one of the gateway's ovn controller is stopped, there is no failover triggered. For chassis, things work as expected where we see updates in ovn controller logs for schema upgrade and data path works fine as expected for the workloads scheduled on that chassis. For n-s gateways, we don't see ovn-controller claiming lports when failover is triggered. Also if there are any suggestions for interconnection gateway upgrade procedure too, would be great. Let us know for any suggestions/recommendations as we continue to debug. Regards, Aliasgar
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