Public bug reported:
I deploy a multi node cluster with 2 network nodes separately with
l3_ha=true and max_l3_agents_per_router=2. It is ok but when I restart
neutron_l3_agent on a host which has an active router then 2 routers
become standby-standby or active-active.
It is weird because I log in to neutron_l3_agent and see that
/var/lib/neutron/kolla/ha_confs/431e2992-d4c5-42b9-96b3-1c932b6b750f/state
have right state on both side but neutron consider ha_state is active-
active or standby-standby.
I feel 2 network nodes very easily to split brain. Could I have some
ideas on this problem. Thank you.
openstack 2025.1-master
kolla-ansible2025.1 master
ubuntu 22.04
** Affects: neutron
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2107323
Title:
router ha was split brain when restarting l3 agent docker
Status in neutron:
New
Bug description:
I deploy a multi node cluster with 2 network nodes separately with
l3_ha=true and max_l3_agents_per_router=2. It is ok but when I restart
neutron_l3_agent on a host which has an active router then 2 routers
become standby-standby or active-active.
It is weird because I log in to neutron_l3_agent and see that
/var/lib/neutron/kolla/ha_confs/431e2992-d4c5-42b9-96b3-1c932b6b750f/state
have right state on both side but neutron consider ha_state is active-
active or standby-standby.
I feel 2 network nodes very easily to split brain. Could I have some
ideas on this problem. Thank you.
openstack 2025.1-master
kolla-ansible2025.1 master
ubuntu 22.04
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