[ovs-discuss] Need assistance

Yalla Gnan Kumar ykumar at sandvine.com
Thu Mar 19 10:31:59 UTC 2020


Hi,


I have an openstack setup. On one of the compute nodes, the ovs agent is showing the following error:




---------

root at b2a-1:~# service neutron-openvswitch-agent status
● neutron-openvswitch-agent.service - neutron-openvswitch-agent service
   Loaded: loaded (/etc/systemd/system/neutron-openvswitch-agent.service; enabled; vendor preset: enabled)
   Active: active (running) since Thu 2020-03-19 05:51:21 EDT; 43min ago
 Main PID: 52848 (neutron-openvsw)
    Tasks: 3 (limit: 8192)
   Memory: 125.9M
      CPU: 16.942s
   CGroup: /neutron.slice/neutron-openvswitch-agent.service
           ├─52848 /openstack/venvs/neutron-18.1.9/bin/python /openstack/venvs/neutron-18.1.9/bin/neutron-openvswitch-agent --config-file /etc/neutron/neutron.conf --config-file /etc/n
           ├─52984 ovsdb-client monitor tcp:127.0.0.1:6640 Interface name,ofport,external_ids --format=json
           └─52989 ovsdb-client monitor tcp:127.0.0.1:6640 Bridge name --format=json

Mar 19 05:51:28 b2a-1 sudo[52980]: pam_unix(sudo:session): session closed for user root
Mar 19 05:51:28 b2a-1 sudo[52985]:  neutron : TTY=unknown ; PWD=/ ; USER=root ; COMMAND=/openstack/venvs/neutron-18.1.9/bin/neutron-rootwrap /etc/neutron/rootwrap.conf ovs-vsctl --time
Mar 19 05:51:28 b2a-1 sudo[52985]: pam_unix(sudo:session): session opened for user root by (uid=0)
Mar 19 05:51:28 b2a-1 ovs-vsctl[52988]: ovs|00001|vsctl|INFO|Called as /usr/bin/ovs-vsctl --timeout=5 --id=@manager -- create Manager "target=\"ptcp:6640:127.0.0.1\"" -- add Open_vSwit
Mar 19 05:51:28 b2a-1 ovs-vsctl[52988]: ovs|00002|ovsdb_idl|WARN|transaction error: {"details":"Transaction causes multiple rows in \"Manager\" table to have identical values (\"ptcp:6
Mar 19 05:51:28 b2a-1 ovs-vsctl[52988]: ovs|00003|db_ctl_base|ERR|transaction error: {"details":"Transaction causes multiple rows in \"Manager\" table to have identical values (\"ptcp:
Mar 19 05:51:28 b2a-1 sudo[52985]: pam_unix(sudo:session): session closed for user root
Mar 19 05:51:28 b2a-1 sudo[52990]:  neutron : TTY=unknown ; PWD=/ ; USER=root ; COMMAND=/openstack/venvs/neutron-18.1.9/bin/neutron-rootwrap /etc/neutron/rootwrap.conf ovs-ofctl add-fl
Mar 19 05:51:28 b2a-1 sudo[52990]: pam_unix(sudo:session): session opened for user root by (uid=0)
Mar 19 05:51:29 b2a-1 sudo[52990]: pam_unix(sudo:session): session closed for user root
---------------------------------------------------------------

The error line  in the above output is :


---------------
ovs-vsctl[52988]: ovs|00003|db_ctl_base|ERR|transaction error: {"details":"Transaction causes multiple rows in \"Manager\" table to have identical values (\"ptcp:
-----------


Can someone help me to clear that row in the 'Manager' table manually ?


Thanks
Yalla


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