Hi,

in Openstack 17, OVN dbs services moved from an ACTIVE/PASSIVE setup, with High Availability handled by Pacemaker,  to a distributed ACTIVE/ACTIVE architecture using the RAFT algorithm. [0]

Currently, Openstack 17.1 documentation does not provide any command example to let users verify OVN dbs status (only in the Controller Replacement workflow section):

OVN_Northbound - status  check command

sudo podman exec ovn_cluster_north_db_server ovs-appctl -t /var/run/ovn/ovnnb_db.ctl cluster/status OVN_Northbound

OVN_Southbound - status check command

sudo podman exec ovn_cluster_south_db_server ovs-appctl -t /var/run/ovn/ovnsb_db.ctl cluster/status OVN_Southbound

I'm not sure about best section where to place examples, but probably it would fit under the Configuring Red Hat OpenStack Platform networking > Chapter 2. Working with ML2/OVN [1]

 [0] Active-active clustered database service model

 [1] Working with ML2/OVN