[Openstack] Deleting one router in a project causes all routers to fail
Brian Haley
haleyb.dev at gmail.com
Mon Nov 20 16:01:57 UTC 2017
On 11/15/2017 12:58 PM, Sterdnot Shaken wrote:
> Openstack version: Pike
> Openvswitch version: 2.7
>
> Let's say I have a OS project that has 2 routers. The routers are HA and
> reside on 2 network nodes. Via VRRP, there are 2 Active and 2 Passive
> routers. As you may know, Neutron creates a custom HA network that's
> project specific and (in our case) assigns a vxlan vni to that HA
> network that allows the routers to send VRRP messages to the backup
> routers basically telling them to stay backup.
>
> If I delete just one of the routers from the project, the assigned vni
> (discovered via openstack network show) gets removed from a HA network.
> When that happens, ALL the other routers go down for the project as they
> can no longer communicate with each other via the HA network per the
> lacking vni assignment.
>
> This problem didn't start happening until we upgraded to Pike.
>
> Anyone have any idea why this is happening?
Looks like this bug perhaps:
https://bugs.launchpad.net/neutron/+bug/1732543
-Brian
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