[ovirt-users] Customized Network Setup?

[Petr Horacek]

Hello Charles,

I think you can get your desired network with oVirt.

Create second network external_network, you can uncheck "VM network"
there. Then in Setup Networks dialog you can create a bonding, add
ovirtmgmt on top of that and external_net on top of a 1G interface.

During the configuration you can specify which network will handle
default route. From
https://bugzilla.redhat.com/show_bug.cgi?id=1400366:

1. In the Manager, open a console and add the custom property.
  engine-config -g UserDefinedNetworkCustomProperties
  engine-config -s
UserDefinedNetworkCustomProperties='default_route=^(true|false)$'
  systemctl restart ovirt-engine

2. On each host:
   2.1 Set the property to False on the management (ovirtmgmt|rhevm) network
   2.2 Set the property to True on the desired new default route network
   2.3 Set a next-hop IP address (Gateway) in the new default route network

3. Apply configurations
Two important notes that must be added to the docs:
* This configuration is PER HOST, and needs to be done on each host.
* If the gataway for the new default route network is not set, it will
be IGNORED. Leaving the gateway blank will NOT set device based route
(such as for proxy-arp scenarios).

Regards,
Petr

2017-04-05 6:22 GMT+02:00 Charles Tassell <charles at islandadmin.ca>:
> Hi Guys,
>
>   I'm wondering, is it possible to override VDSM and setup my network
> interfaces manually?  I've got two Dell servers with dual-10G networking
> that I want to use bonded (LACP) for ovirtmgmt and then some 1G interfaces
> that I want to use for the VM network/Internet connection.  I've got it
> working on the box I installed the hosted engine on, but it won't properly
> setup the networking on additional hosts.  I've tried setting up bonding
> before doing the install (worked fine, ran the New host setup through the
> admin GUI, network died); doing the install with bonding turned off and then
> adding it in later (didn't create the ovirtmgmt bridge and the policy
> routing rules that it uses (I'd REALLY like to be able to turn that garbage
> off) didn't get added to bond0...)  In all situations it removes the default
> route from my standard routing table so I can't access the machines from
> outside the subnet...
>
>   I can setup the bonding and bridges manually fairly in 10 minutes, but I'm
> worried that VDSM is going to come in and overwrite my config with the
> broken stuff if I do that.
>
>
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