[Users] Multiple network interfaces on engine?

[Michael Pasternak]

On 09/23/2013 01:53 PM, René Koch (ovido) wrote:
> 
> On Mon, 2013-09-23 at 12:50 +0200, Rickard Kristiansson wrote:
>> Thanks Michael,
>>
>>
>>
>> I'm still trying to get my head around this, but I can't see how I
>> configure the networks on the engine?
>> For nodes and AOI it's OK, but in my case I am running the engine as a
>> separate server which is not a node and does not show up as a Host in
>> the GUI.
> 
> 
> Does your engine really need access to the storage?
> ovirtmgmt network should be sufficient in most cases.
> 
> You can configure the network of engine using your favorite editor and
> edit/create /etc/sysconfig/network-scripts/ifcfg-* files...

I'd avoid doing this, changing network config behind the engine's back is
not supported and may cause re-config on reboot on which Rickard
originally complained.

> 
> 
> Regards,
> René
> 
>>
>> Or do I need to add the engine as a host in the GUI as well, to be
>> able to configure it?
>>
>>
>>
>>
>>
>>
>> ______________________________________________________________________
>> Från: "Michael Pasternak" <mpastern at redhat.com>
>> Till: "Rickard Kristiansson" <rickard at sanuksystems.com>
>> Kopia: users at ovirt.org
>> Skickat: måndag, 23 sep 2013 12:21:40
>> Ämne: Re: [Users] Multiple network interfaces on engine?
>>
>>
>> On 09/23/2013 12:54 PM, Rickard Kristiansson wrote:
>>> Hi,
>>>
>>> I want to use two network interfaces connected to different networks
>> in Engine (3.3), where one is for ovirtmgmt and one is for a separate
>> storage network.
>>> It works fine for a minute or so after rebooting Engine, but then
>> the configuration is changed by Engine, connecting both interfaces to
>> bond0 and losing connectivity (as
>>> obviously you can't bond those two interfaces when they are
>> connected to separate physical networks..).
>>> What is the mechanism doing this, 
>>
>>
>> please see this [1].
>>
>>
>> [1] http://www.ovirt.org/Features/Design/Network/SetupNetworks
>>
>>
>>> and it is possible to disable this automatic network bonding on the
>> engine so that we can use separate networks on the network
>> interfaces..?
>>
>>
>> attaching logs would help, but i guess it happen cause you did not
>> saved
>> your host network config, i.e when host got rebooted, it performs
>> roll-back
>> to old config, this is actually disaster recovery mechanism.
>>
>>
>>>
>>> Rickard
>>>
>>> **
>>>
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>
>>
>>
>> -- 
>>
>>
>> Michael Pasternak
>> RedHat, ENG-Virtualization R&D
>>
>>
>>
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
> 


-- 

Michael Pasternak
RedHat, ENG-Virtualization R&D