Running virtual machines really kills the battery in the notebook computer. It isn’t surprising, as running several virtual Exchange servers really uses a lot of processor time and memory, but what I suspect is most draining is the constant swapping to hard drive and the constant reading and writing to the hard drive by the virtual machines. After only about thirty minutes, the battery is down from one hundred percent to forty-five percent which it tells me is about thirty-five minutes.
I have five virtual systems running in Microsoft Virtual PC 2007. Two are running Windows Server 2003 with one being an Active Directory domain controller and the other running Exchange Server 2003. The other three are Windows Server 2008 with two configured with Exchange Server 2007 mailbox roles and the other soon to be running Exchange Server 2007 hub transport and client access roles, although I doubt I’ll get through setup before the battery dies. It isn’t even finished setting up Windows Server 2008. Even if I have to shut it down before it has been installed, it isn’t a big deal. I was able to use an otherwise wasted hour on the plane.
Thinking about it a little more, I should probably save a little battery life, just in case I need something from the computer between my arrival and check in to the hotel.
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