Is it possible to swap processors on HP servers when upgrading them to dedicated VMWare ESX Servers?
Posted on 2008-10-28
I have three HP Proliat DL380 G5 servers with the following processor configuration:
Server1: Single quad-core x86
Server2: Dual quad-core x86
Server3: Dual quad-core x64
I am about to convert these three servers to be ESX servers for my new VMWare rollout. The problem is that I want to also virtualize my Exchange environment, which is currently 2003. I know if I upgrade to Exchange 2007 I will need x64 processors, which is fine if I run the VM on Server3. But if Server3 fails and VMotion moves the VM to Server1 or 2, what happens to my Exchange 2007 VM?
My actual question is whether or not it's a problem to simply purchase four new x64 processors and put them in place of the three x86 processors now. I know I cannot do this with the machines as they are in production now, since all three are running Server 2003 on the x86 processors... but if I replace the CPU's as I convert these to ESX servers, is this possible and will there be problems running VMs that have been initially installed on x86 systems?