HA-Cluster: Simple design on prem, self managed

Hi there,
I am looking for a simple HA-design for a logging use case, on prem & self managed.
Would this be a good design?

NODE-1 master, data, ingest, kibana, logstash, redis
NODE-2 master, data, ingest, kibana, logstash, redis
NODE-3 master for quorum
NODE-4 fleet server

Or something like that perhaps?

With each node in a different data center and 1 replica.
Any insights, thoughts?
Many thanks and kind regards!
Stefano