it is already enormous overshoot in hardware specs. And i do not really catch why you
have "4 in parallel" servers.
And finally i cannot understand this dividing of servers just to merging it
back using VMWare.
because it is a big difference if you have anything in a single
machine or splittet in virtual machines - you can move them at
runtime to different hosts and if you run out of ressources
ok - for me it is just likes. You have higher change to have the need to
move at the first place doing this :)