Hi,

Thanks for all the responses. I have been away
We solved the problem. Seb Juraszek, our it manager who
was setting up the new server, removed the following packages

Running /usr/bin/pirut selecting "Virtualization" uninstall

removes these two packages

  KVM
  Virtualization  

One of the RPMs installs/enabled virtualisation. Once installed the 
system itself becomes the first virtual machine (VM) on bootup without 
actually configuring any VMs.

According to google searches the max RAM you can assign a VM is 32GB.

Cheers,
Aldo

-- 
Aldo F. Saavedra
Phone: +61 (0) 2 9351 5970
Fax  : +61 (0) 2 9351 7726
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Mail : High Energy Physics
       School of Physics A28
       University of Sydney NSW 2006
       Sydney, Australia