Ok, so 3 VMWare ESXi Servers running 20-30 Virtual Machines only slightly qualifies as a “Server Farm”, but we will be saving a ton of electricity (sorry Stadtwerke München ) at SiteForce.
Of course we needed that air conditioning to keep the temp down in the room with all that equipment, and I am sure that some of it is energy efficient and did not always draw full power, but it is safe to say that we had anywhere from 3000-6000 Watt when you add the KVM and Monitor in the rack!
Aside from a few annoying hums from the QNAP NAS Servers, it could almost sit on the desk next to me. Now we are talking something along the lines of 300-475 Watt!!!
That is a HUGE difference. I realize that this is not a very scientific or accurate calculation, but the savings are obvious.
We have a little less CPU Power, but we were already overpowered for our necessary virtual machines, and if we need more CPU for a project now, we just go cloud.
If you want to know more about our MacMini Server VMWare ESXi setup with iSCSI then stay tuned, I’ll write that up one of these days, too.
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