"Server virtualization on the x86 platform has been around now for more than a decade, yet many in the industry still consider it a "new" technology. But those of us who have already adopted the technology in our own environments have grown to believe we can't live without it. Many of us also have the opinion that there is simply no going back to a "physical-only world."
As hard as it might be for fellow enthusiasts to wrap their arms around it, many people have yet to drink the virtual Kool-Aid. Fellow Kool-Aid drinkers may be asking themselves, "Why is that?" And that's a great question."
Some fairly significant benefits are going to be lower expenditures for hardware and energy costs and a much easier disaster recovery process, in addition to the relative ease of recovery in the event of a hardware failure.