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.
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Thursday, March 4, 2021 4:53 AM, David White
<[email protected]> 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?
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