4:27 p.m.
You can route it to a private address on your router if you want...
We use EVPN/VXLAN (but regular old vlans work too) Just put the public
space on a vlan, add public as a vlan tagged network in ovirt. Only your
public facing VM's need addresses in the space.
On 2021-03-08 05:53, David White via Users wrote:
> If I have a private network (10.1.0.0/24) that is being used by the
> cluster for intra-host communication & replication, how do I get a
> block of public IP addresses routed to the virtual cluster?
>
> For example, let's say I have a public /28, and let's use 1.1.1.0/28
> for example purposes.
>
> I'll assign 1.1.1.1 to the router.
>
> How can I then route 1.1.1.2 - 1.1.1.16 down to the virtualized oVirt
> cluster?
>
> Do I need to assign a public IP address to a 2nd physical NIC on each
> host, and put that network onto a totally different physical switch?
>
> Or should I instead setup default routes on the 10.1.0.0/24 network?
>
> I also wanted to follow up on my question below to see if anyone had
> any thoughts on how things would function when a portion of the
> network is lost.
>
> Sent with ProtonMail [1] Secure Email.
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
>
> On Thursday, March 4, 2021 4:53 AM, David White
> <dmwhite823(a)protonmail.com> wrote:
>
>> I tested oVirt (4.3? I can't remember) last fall on a single host
>> (hyperconverged).
>>
>> Now, I'm getting ready to deploy to a 3 physical node (possibly 4)
>> hyperconverged cluster, and I guess I'll go ahead and go with 4.4.
>>
>> Although Red Hat's recent shift of CentOS 8 to the Stream model, as
>> well as the announcement that RHV is going away makes me nervous. I
>> really don't see any other virtualization software doing quite the
>> same stuff as oVirt at the moment.
>>
>> One of my questions is around the back end out-of-band network for
>> data replication.
>>
>> What happens if all 3 servers are healthy and the normal network is
>> fine for serving traffic to the VM consumers, but the switching
>> network for data replication goes down? Is it possible to configure
>> oVirt to "fail over" to the front-end network?
>>
>> I'm also wondering if its possible to do away with a switch all
>> together, and just link the physical hosts together directly (like a
>> cross-over cable) for the data replication.
>>
>> I'm also wondering what would happen in the following scenario:
>>
>> * All 3 servers are healthy
>>
>> * The out-of-band data replication network is healthy
>>
>> * 1 or 2 of the servers suddenly lost network connectivity on the
>> front-end network
>>
>> What then? Would everything just keep working, and network traffic
>> be forced to go out the healthy interface(s) on the remaining hosts?
>>
>> Sent with ProtonMail [1] Secure Email.
>
>
>
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