Hi, I am testing ovn 3 nodes clustering with ssl setup on ovn 24.04.2.
These are ovn options that I have set on node 1. *OVN_CTL_OPTS=" \ --db-nb-create-insecure-remote=no \ --db-sb-create-insecure-remote=no \ --db-nb-addr=172.16.60.40 \ --db-sb-addr=172.16.60.40 \ --db-nb-cluster-local-addr=172.16.60.40 \ --db-nb-cluster-local-proto=ssl \ --db-sb-cluster-local-addr=172.16.60.40 \ --db-sb-cluster-local-proto=ssl \ --ovn-northd-nb-db=ssl:172.16.60.40:6641 <http://172.16.60.40:6641> \ --ovn-northd-sb-db=ssl:172.16.60.40:6642 <http://172.16.60.40:6642> \ --ovn-northd-nb-db=ssl:172.16.60.40:6641 <http://172.16.60.40:6641>,ssl:172.16.60.41:6641 <http://172.16.60.41:6641>,ssl:172.16.60.42:6641 <http://172.16.60.42:6641> \ --ovn-northd-sb-db=ssl:172.16.60.40:6642 <http://172.16.60.40:6642>,ssl:172.16.60.41:6642 <http://172.16.60.41:6642>,ssl:172.16.60.42:6642 <http://172.16.60.42:6642> \ --ovn-nb-db-ssl-key=/etc/ovn/ovn-cert/ovnnb-privkey.pem \ --ovn-nb-db-ssl-cert=/etc/ovn/ovn-cert/ovnnb-cert.pem \ --ovn-nb-db-ssl-ca-cert=/etc/ovn/ovn-cert/cacert.pem \ --ovn-sb-db-ssl-key=/etc/ovn/ovn-cert/ovnsb-privkey.pem \ --ovn-sb-db-ssl-cert=/etc/ovn/ovn-cert/ovnsb-cert.pem \ --ovn-sb-db-ssl-ca-cert=/etc/ovn/ovn-cert/cacert.pem \ --ovn-northd-ssl-key=/etc/ovn/ovn-cert/ovnnorthd-privkey.pem \ --ovn-northd-ssl-cert=/etc/ovn/ovn-cert/ovnnorthd-cert.pem \ --ovn-northd-ssl-ca-cert=/etc/ovn/ovn-cert/cacert.pem \"* On the second and third node I have used below options. *OVN_CTL_OPTS=" \ --db-nb-create-insecure-remote=no \ --db-sb-create-insecure-remote=no \ --db-nb-addr=172.16.60.41 \ --db-sb-addr=172.16.60.41 \ --db-nb-cluster-local-addr=172.16.60.41 \ --db-nb-cluster-local-proto=ssl \ --db-sb-cluster-local-addr=172.16.60.41 \ --db-sb-cluster-local-proto=ssl \ --db-nb-cluster-remote-addr=172.16.60.40 \ --db-nb-cluster-remote-proto=ssl \ --db-sb-cluster-remote-addr=172.16.60.40 \ --db-sb-cluster-remote-proto=ssl \ --ovn-northd-nb-db=ssl:172.16.60.40:6641 <http://172.16.60.40:6641>,ssl:172.16.60.41:6641 <http://172.16.60.41:6641>,ssl:172.16.60.42:6641 <http://172.16.60.42:6641> \ --ovn-northd-sb-db=ssl:172.16.60.40:6642 <http://172.16.60.40:6642>,ssl:172.16.60.41:6642 <http://172.16.60.41:6642>,ssl:172.16.60.42:6642 <http://172.16.60.42:6642> \ --ovn-nb-db-ssl-key=/etc/ovn/ovn-cert/ovnnb-privkey.pem \ --ovn-nb-db-ssl-cert=/etc/ovn/ovn-cert/ovnnb-cert.pem \ --ovn-nb-db-ssl-ca-cert=/etc/ovn/ovn-cert/cacert.pem \ --ovn-sb-db-ssl-key=/etc/ovn/ovn-cert/ovnsb-privkey.pem \ --ovn-sb-db-ssl-cert=/etc/ovn/ovn-cert/ovnsb-cert.pem \ --ovn-sb-db-ssl-ca-cert=/etc/ovn/ovn-cert/cacert.pem \ --ovn-northd-ssl-key=/etc/ovn/ovn-cert/ovnnorthd-privkey.pem \ --ovn-northd-ssl-cert=/etc/ovn/ovn-cert/ovnnorthd-cert.pem \ --ovn-northd-ssl-ca-cert=/etc/ovn/ovn-cert/cacert.pem \ --ovn-northd-nb-db=ssl:172.16.60.41:6641 <http://172.16.60.41:6641> \ --ovn-northd-sb-db=ssl:172.16.60.41:6642 <http://172.16.60.41:6642> \"* Here is the cluster status. *# ovs-appctl -t /var/run/ovn/ovnnb_db.ctl cluster/status OVN_Northbounddb6aName: OVN_NorthboundCluster ID: 5502 (5502d208-61dc-4eee-bd15-dc0dc52bf379)Server ID: db6a (db6a618a-bf77-4f46-b08d-ebf15d538ee5)Address: ssl:172.16.60.42:6643 <http://172.16.60.42:6643>Status: cluster memberRole: leaderTerm: 12Leader: selfVote: selfLast Election started 3584828 ms ago, reason: leadership_transferLast Election won: 3584825 ms agoElection timer: 1000Log: [2, 17]Entries not yet committed: 0Entries not yet applied: 0Connections: ->f588 ->1902 <-f588 <-1902Disconnections: 3Servers: f588 (f588 at ssl:172.16.60.40:6643 <http://172.16.60.40:6643>) next_index=17 match_index=16 last msg 75 ms ago db6a (db6a at ssl:172.16.60.42:6643 <http://172.16.60.42:6643>) (self) next_index=15 match_index=16 1902 (1902 at ssl:172.16.60.41:6643 <http://172.16.60.41:6643>) next_index=17 match_index=16 last msg 75 ms ago* The issue is I am seeing below logs in follower instances continuously. *2024-10-16T13:05:51.106Z|03078|ovsdb_cs|INFO|ssl:172.16.60.41:6641 <http://172.16.60.41:6641>: clustered database server is not cluster leader; trying another server2024-10-16T13:05:51.106Z|03079|ovn_northd|INFO|ovn-northd lock acquired. This ovn-northd instance is now active.2024-10-16T13:05:51.106Z|03080|ovsdb_cs|INFO|ssl:172.16.60.41:6642 <http://172.16.60.41:6642>: clustered database server is not cluster leader; trying another server2024-10-16T13:05:51.107Z|03081|ovn_northd|INFO|ovn-northd lock lost. This ovn-northd instance is now on standby.2024-10-16T13:05:59.116Z|03082|reconnect|INFO|ssl:172.16.60.41:6641 <http://172.16.60.41:6641>: connected2024-10-16T13:05:59.118Z|03083|reconnect|INFO|ssl:172.16.60.41:6642 <http://172.16.60.41:6642>: connected2024-10-16T13:05:59.118Z|03084|ovsdb_cs|INFO|ssl:172.16.60.41:6641 <http://172.16.60.41:6641>: clustered database server is not cluster leader; trying another server2024-10-16T13:05:59.119Z|03085|ovn_northd|INFO|ovn-northd lock acquired. This ovn-northd instance is now active.2024-10-16T13:05:59.119Z|03086|ovsdb_cs|INFO|ssl:172.16.60.41:6642 <http://172.16.60.41:6642>: clustered database server is not cluster leader; trying another server2024-10-16T13:05:59.119Z|03087|ovn_northd|INFO|ovn-northd lock lost. This ovn-northd instance is now on standby.2024-10-16T13:06:07.130Z|03088|reconnect|INFO|ssl:172.16.60.41:6641 <http://172.16.60.41:6641>: connected2024-10-16T13:06:07.131Z|03089|reconnect|INFO|ssl:172.16.60.41:6642 <http://172.16.60.41:6642>: connected2024-10-16T13:06:07.132Z|03090|ovsdb_cs|INFO|ssl:172.16.60.41:6641 <http://172.16.60.41:6641>: clustered database server is not cluster leader; trying another server2024-10-16T13:06:07.132Z|03091|ovn_northd|INFO|ovn-northd lock acquired. This ovn-northd instance is now active.2024-10-16T13:06:07.133Z|03092|ovsdb_cs|INFO|ssl:172.16.60.41:6642 <http://172.16.60.41:6642>: clustered database server is not cluster leader; trying another server2024-10-16T13:06:07.133Z|03093|ovn_northd|INFO|ovn-northd lock lost. This ovn-northd instance is now on standby.* These logs are being received in second and third node who are followers. When I reboot node 1, RAFT elects a new leader in my case node 3 is selected and these logs disappear from node 3. When the node 1 came back in follower state, it does not have these logs. Is there anything to be concerned about ? or is it normal ? -- Regards, Ammad
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