** Description changed: + (For SRU template, please see bug 1869808, as the SRU info there applies + to this bug also) + Hi all, We have deployed more OpenStack plateform in my company. We used kolla ansible to deploy our plateforms. - Here is the configuration that we applied : + Here is the configuration that we applied : kolla_base_distro: "centos" kolla_install_type : "binary" openstack_version : "stein" - Neutron architecture : + Neutron architecture : HA l3 enable DVR enable SNAT Enabled multiple vlan provider : True Note: Our plateforms are multi-region Recently, we have upgraded a master region from rocky to stein with kolla ansible upgrade procedure. Since ugrade, sometimes openvswitch agent lost connexion to ovsdb. We have found this error in neutron-openvswitch-agent.log : "tcp:127.0.0.1:6640: send error: Broken pipe". - And we have found this errors in ovsdb-server.log : + And we have found this errors in ovsdb-server.log : 2020-02-24T23:13:22.644Z|00009|reconnect|ERR|tcp:127.0.0.1:50260: no response to inactivity probe after 5 seconds, disconnecting 2020-02-25T04:10:55.893Z|00010|reconnect|ERR|tcp:127.0.0.1:58544: no response to inactivity probe after 5 seconds, disconnecting 2020-02-25T07:21:12.301Z|00011|reconnect|ERR|tcp:127.0.0.1:34918: no response to inactivity probe after 5 seconds, disconnecting 2020-02-25T09:21:45.533Z|00012|reconnect|ERR|tcp:127.0.0.1:37782: no response to inactivity probe after 5 seconds, disconnecting When we experience this issue, all "NORMAL" type flows inside br-ex doesn't get out. - Example of flows stuck: + Example of flows stuck: (neutron-openvswitch-agent)[root@cnp69s12p07 /]# ovs-ofctl dump-flows br-ex | grep NORMAL - cookie=0x7adbd675f988912b, duration=72705.077s, table=0, n_packets=185, n_bytes=16024, idle_age=65534, hard_age=65534, priority=0 actions=NORMAL - cookie=0x7adbd675f988912b, duration=72695.007s, table=2, n_packets=11835702, n_bytes=5166123797, idle_age=0, hard_age=65534, priority=4,in_port=5,dl_vlan=1 actions=mod_vlan_vid:12,NORMAL - cookie=0x7adbd675f988912b, duration=72694.928s, table=2, n_packets=4133243, n_bytes=349654412, idle_age=0, hard_age=65534, priority=4,in_port=5,dl_vlan=9 actions=mod_vlan_vid:18,NORMAL + cookie=0x7adbd675f988912b, duration=72705.077s, table=0, n_packets=185, n_bytes=16024, idle_age=65534, hard_age=65534, priority=0 actions=NORMAL + cookie=0x7adbd675f988912b, duration=72695.007s, table=2, n_packets=11835702, n_bytes=5166123797, idle_age=0, hard_age=65534, priority=4,in_port=5,dl_vlan=1 actions=mod_vlan_vid:12,NORMAL + cookie=0x7adbd675f988912b, duration=72694.928s, table=2, n_packets=4133243, n_bytes=349654412, idle_age=0, hard_age=65534, priority=4,in_port=5,dl_vlan=9 actions=mod_vlan_vid:18,NORMAL - Workaround to solve this issue: + Workaround to solve this issue: - stop openvswitch_db openvswitch_vswitchd neutron_openvswitch_agent neutron_l3_agent (containers) - start containers: openvswitch_db openvswitch_vswitchd - start neutron_l3_agent neutron_openvswitch_agent - Note: we have keep ovs connection timeout options by default : + Note: we have keep ovs connection timeout options by default : - of_connect_timeout: 300 - of_request_timeout: 300 - of_inactivity_probe: 10 - Thank you in advance for your help.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1864822 Title: Openvswitch Agent - Connexion openvswitch DB Broken To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1864822/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
