On Tue, Jul 16, 2019 at 8:48 PM carl langlois <email@example.com> wrote:
> We are in a process of changing our network connection. Our current network is using 10.8.256.x and we will change to 10.16.248.x. We have a HA ovirt cluster (around 10 nodes) currently configure on the 10.8.256.x. So my question is is it possible to relocate the ovirt cluster to the 10.16.248.x. We have tried to move everything to the new network without success. All the node seem to boot up properly, our gluster storage also work properly.
> When we try to start the hosted-engine it goes up but fail the liveliness check. We have notice in the /var/log/openvswitch/ovn-controller.log that he is triying to connect to the hold ip address of the hosted-engine vm.
> 019-07-16T18:41:29.483Z|01992|reconnect|INFO|ssl:10.8.236.244:6642: waiting 8 seconds before reconnect
> 2019-07-16T18:41:37.489Z|01993|reconnect|INFO|ssl:10.8.236.244:6642: connecting...
> 2019-07-16T18:41:45.497Z|01994|reconnect|INFO|ssl:10.8.236.244:6642: connection attempt timed out
> So my question is were is the 10.8.236.244 come from.
Looks like the ovn controllers were not updated during the network change.
The wrong IP is configured within openvswitch, you can see it in the
(offending) nodes through "ovs-vsctl list . ". It'll be a key in the
'external_ids' column called 'ovn-remote' .
This is not the solution, but a work-around; you could try to
configure the ovn controllers via:
vdsm-tool ovn-config <engine_ip_on_net> <name of the management network>
Despite the provided work-around, I really think the hosted engine
should have triggered the ansible role that in turn triggers this
Would you open a bug with this information ?
> The routing table for one of our host look like this
> estination Gateway Genmask Flags Metric Ref Use Iface
> default gateway 0.0.0.0 UG 0 0 0 ovirtmgmt
> 10.16.248.0 0.0.0.0 255.255.255.0 U 0 0 0 ovirtmgmt
> link-local 0.0.0.0 255.255.0.0 U 1002 0 0 eno1
> link-local 0.0.0.0 255.255.0.0 U 1003 0 0 eno2
> link-local 0.0.0.0 255.255.0.0 U 1025 0 0 ovirtmgmt
> Any help would be really appreciated.
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