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 Because I dont see any error logs. Althought, i set debug log to on.

Your advices are very helpful to me. I will try to dig deeply. I am lost so
some suggests are the best way for me to continue. :)

On Wed, Jul 26, 2023, 4:39 PM <smooney at redhat.com> wrote:

> On Wed, 2023-07-26 at 07:49 +0700, Nguyễn Hữu Khôi wrote:
> > Hello guys.
> >
> > I am using openstack yoga with kolla ansible.
> without logs of some kind i dont think anyoen will be able to hlep you
> with this.
> you have one issue with the config which i noted inline but that should
> not break live migration.
> but it would allow it to proceed when otherwise it would have failed.
> and it woudl allow this issue to happen instead of the vm goign to error
> ro the migration
> being aborted in pre live migrate.
> >
> > When I migrate:
> >
> > instance1 from host A to host B after that I cannot ping this
> > instance(telnet also). I must restart neutron_openvswitch_agent or move
> > this instance back to host B  then this problem has gone.
> >
> > this is my settings:
> >
> > ----------------- neutron.conf -----------------
> > [nova]
> > live_migration_events = True
> > ------------------------------------------------
> >
> > ----------------- nova.conf -----------------
> > [DEFAULT]
> > vif_plugging_timeout = 600
> > vif_plugging_is_fatal = False
> you should never run with this set to false in production.
> it will break nova ability to detect if netroking is configured
> when booting or migrating a vm.
> we honestly should have remove this when we removed nova-networks
> > debug = True
> >
> > [compute]
> > live_migration_wait_for_vif_plug = True
> >
> > [workarounds]
> > enable_qemu_monitor_announce_self = True
> >
> > ----------------- openvswitch_agent.ini-----------------
> > [securitygroup]
> > firewall_driver = openvswitch
> > [ovs]
> > openflow_processed_per_port = true
> >
> > I check nova, neutron, ops logs but they are ok.
> >
> > Thank you.
> >
> >
> > Nguyen Huu Khoi
>
>
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