just been testing and watching my whs in vm and noticed any file i copy go to the pool on system drive (landing zone).
they are then moved to over drives i have installed pp1 pp2 and pp3 and the landing zone is still in use.
so i would recomend using largest drive you have as os and landing zone unles you and going to be moveing alot of files at one they dont move to other drive till the landing zone has stoped reciving data from what i have seen with disk managment anyway
one thing i notice is that if i move the files directly to the harddrive, then it take up the main OS. but if i move the files to a share folder then it goes to the other drive. This only comes into play when i first tried to move my data over after a fresh restart.