> I need to restructure my server farm from tower PC:s to a minimal amount > of 1U rack servers. I am going to rely on xen virtualization, as KVM > seems not to be very mature yet. > > My current problem is the mail server, which uses a lot of CPU and I/O. > A dedicated machine would be the best option. But would there be any > sense in this: > > - run the mail server in xen dom0 (to get full native performance) > - append a couple of light-weight servers as domU:s (like name server) I don't know if it's recommended that way but at least it works fine. Simon