On Thu, 15 Mar 2018 09:09:41 +0000
Fabien Carré <carre.fabien@gmail.com> wrote:

> Hello,
> I am trying to set up an oVirt environment using OVH servers. So far
> I have installed an engine (4.2) and a node. The node is attached to
> a NAS through a vRack
> https://www.ovh.co.uk/solutions/vrack/network-technology.xml. I am
> using one vlan to connect it, which is the management network
>
>
> However it is not a perfect setup (cf attached screenshot). The
> management network is in  "Out-of-Sync" state.
> on the node :
> # ip addr
> 28: eno4.100@eno4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
> noqueue master ovirtmgmt state UP qlen 1000
>     link/ether 0c:c4:ff:7a:6c:13 brd ff:ff:ff:ff:ff:ff
> 29: ovirtmgmt: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
> noqueue state UP qlen 1000
>     link/ether 0c:c4:ff:7a:6c:13 brd ff:ff:ff:ff:ff:ff
>     inet 10.100.0.11/24 brd 10.100.0.255 scope global ovirtmgmt
>        valid_lft forever preferred_lft forever
>
>
> [image: Screenshot from 2018-03-15 09-03-37.png]
> It does not seem possible to add extra vlan. I wanted to have one for
> the vms and one for the hosts.
> Can you give me some help or guidance ?
>
> Also generally speaking do you think such a setup is fine ?
>
> Thank you
> Fabien


If you are limited to a single VLAN, I would use this as a single
logical network in oVirt. To isolate the traffic between VMs, I
would use external logical networks on the ovirt-provider-ovn.