Ronald Wimmer via FreeIPA-users wrote:
Several months ago we set up two IPA servers for a separate
We also set up a trust to AD. Then the project went on hold. Today I was
told that they want to continue using IPA.
The IPA servers are using CentOS 7.x. Regarding the trust setup, would
it work to add two OL 8.1 servers and remove the old CentOS servers
afterwards? Or is there a better way to do that?
Upgrading the distro and version via new servers (replicas) is the
recommended way to do it. I can't speak to CentOS -> OL since it is
untested but in theory it should be fine.
Be sure to test thoroughly before decommissioning the working servers.
There is documentation on what needs to be done.