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 Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Thursday, March 4, 2021 4:53 AM, David White <dmwhite...@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 Secure Email.
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