See the arrow, that makes the admin believe that it needs to run that command manually, while in fact ovn_migration.sh will handle it for himself. (overcloud) [stack@undercloud ovn_migration]$ ovn_migration.sh reduce-mtu Verifying the tenant network mtu's adapted_mtu tag is not set for the Network [HA network tenant 5445e312e3804c30aa4bdd6851339aa2] adapted_mtu tag is not set for the Network [net1] Please run : "/usr/bin/networking-ovn-migration-mtu update mtu" before starting the migration migration to OVN <------ Updating the tenant network mtu Updating the mtu and the tag 'adapted_mtu of the network - HA network tenant 5445e312e3804c30aa4bdd6851339aa2 Updating the mtu and the tag 'adapted_mtu of the network - net1
According to our records, this should be resolved by python-networking-ovn-5.0.2-0.20190307204430.6a774a0.el7ost. This build is available now.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2019:1680