[ovirt-users] oVirt 4.1.1 and ovn problems

[Marcin Mirecki]

Looks like the south db works properly. The north db uses the same
mechanism, just a different schema and port.

Looking at the netstat output it looks like ovn north db is not even
listening, or is there anything for 6641?







On Mon, Apr 24, 2017 at 10:37 AM, Gianluca Cecchi <gianluca.cecchi at gmail.com
> wrote:

>
>
> On Sun, Apr 23, 2017 at 11:32 PM, Marcin Mirecki <mmirecki at redhat.com>
> wrote:
>
>> Hello Gianluca,
>>
>> Can you please check the ovn north db log.
>> This is placed in /var/log/openvswitch/ovsdb-server-nb.log
>> Please check if the logs has any new entries when you try to connect and
>> when you issue the 'ovn-nbctl set-connection ptcp:6641' command.
>> If the connection attempt is getting through, pvs db should print an
>> error to the log.
>>
>> Please also try restarting the ovn-northd service.
>>
>> Do the ovn-controllers connect to the south-db?
>> You can verify this by looking at /var/log/openvswitch/ovn-controller.log
>> on the ovn-controller host (please look for entries saying "... <north
>> ip>:6642 connected")
>>
>> Marcin
>>
>>
>>
> The ovirt nb log contains:
> 2017-04-24T07:46:51.541Z|00001|vlog|INFO|opened log file
> /var/log/openvswitch/ovsdb-server-nb.log
> 2017-04-24T07:46:51.550Z|00002|ovsdb_server|INFO|ovsdb-server (Open
> vSwitch) 2.7.0
> 2017-04-24T07:47:01.560Z|00003|memory|INFO|2268 kB peak resident set size
> after 10.0 seconds
> 2017-04-24T07:47:01.560Z|00004|memory|INFO|cells:100 json-caches:1
> monitors:1 ses
>
> In my ovn-controller.log of my 3 hosts I have this, when I run the 2
> commands below on the provider host
>
> ovn-sbctl set-connection ptcp:6642
> ovn-nbctl set-connection ptcp:6641
>
>
> 2017-04-24T07:56:23.178Z|00247|reconnect|INFO|tcp:10.4.192.43:6642:
> connecting...
> 2017-04-24T07:56:23.178Z|00248|reconnect|INFO|tcp:10.4.192.43:6642:
> connection attempt failed (Connection refused)
> 2017-04-24T07:56:23.178Z|00249|reconnect|INFO|tcp:10.4.192.43:6642:
> waiting 8 seconds before reconnect
> 2017-04-24T07:56:31.187Z|00250|reconnect|INFO|tcp:10.4.192.43:6642:
> connecting...
> 2017-04-24T07:56:31.188Z|00251|reconnect|INFO|tcp:10.4.192.43:6642:
> connected
> 2017-04-24T07:56:31.193Z|00252|ofctrl|INFO|unix:/var/run/openvswitch/br-int.mgmt:
> connecting to switch
> 2017-04-24T07:56:31.193Z|00253|rconn|INFO|unix:/var/run/openvswitch/br-int.mgmt:
> connecting...
> 2017-04-24T07:56:31.201Z|00254|rconn|INFO|unix:/var/run/openvswitch/br-int.mgmt:
> connected
> 2017-04-24T07:56:31.201Z|00255|pinctrl|INFO|unix:/var/run/openvswitch/br-int.mgmt:
> connecting to switch
> 2017-04-24T07:56:31.201Z|00256|rconn|INFO|unix:/var/run/openvswitch/br-int.mgmt:
> connecting...
> 2017-04-24T07:56:31.201Z|00257|rconn|INFO|unix:/var/run/openvswitch/br-int.mgmt:
> connected
> 2017-04-24T07:56:31.202Z|00258|binding|INFO|Releasing lport
> 0a2a47bc-ea0d-4f1d-8f49-ec903e519983 from this chassis.
>
> On my provider I see then the 3 oVirt hosts connected:
> [root at ovmgr1 openvswitch]# netstat -tpn|grep 66
> tcp        0      0 10.4.192.43:6642        10.4.168.76:38882
> ESTABLISHED 6699/ovsdb-server
> tcp        0      0 10.4.192.43:6642        10.4.168.75:45486
> ESTABLISHED 6699/ovsdb-server
> tcp        0      0 127.0.0.1:5432          127.0.0.1:37074
> ESTABLISHED 16696/postgres: eng
> tcp        0      0 10.4.192.43:6642        10.4.168.74:59176
> ESTABLISHED 6699/ovsdb-server
> [root at ovmgr1 openvswitch]#
>
> But it seems that the "set" command above is not persistent across reboot
> of the provider host.... that in my case is the oVirt engine server
>
>


-- 

MARCIN mIRECKI

Red Hat

<https://www.redhat.com>
<https://red.ht/sig>
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