Hi
We are preparing for an upgrade of server which is of version 2021.3.x.
Some suggests that better to go for a brand new VM to match existing PRD server. Install the server software (same version we have in PRD server) and take a copy of mongodb from current PRD and replace in brand new VM.
They say it is risky to try to get a VM snapshot directly from PRD or DEV so that we can run upgrades and test.

Is the above approach make sense?
This replacement of mogodb is that easy and will that work?
replacing mongodb will give same settings in PRD into brand new VM?
Please help.