VMware said its customers have virtualized more than an estimated 9 million workloads since 1998, resulting in an estimated energy savings of 105 billion kilowatt hours of electricity2, or roughly $11.6 billion. According to The World Factbook, those savings are equivalent to the power consumed in the US for 10 days.
VMware virtual infrastructure, the company noted, helps enterprises and governments reduce their energy costs and consumption by as much as 80 percent. Most desktops and servers today are in use only eight to 15 percent of the time they are turned on, yet they consume 60 to 90 percent of the normal workload power even when idle. VMware vSphere has advanced resource and memory management features that will enable consolidation ratios of 15:1 or more and dynamically power off unneeded servers, which increase hardware utilization to as much as 85 percent. Every server retired from a datacenter saves an estimated four tons of CO2 emissions, equivalent to taking 1.5 cars off the road or planting 55 trees. Similar opportunities for savings are available for desktop PCs, which can be consolidated on servers in the datacenter using VMware View. VMware vSphere 4 is expected to be generally available during the second quarter of 2009, the company noted.
Saint Vincent's Catholic Medical Center in New York has a strategy for an all digital, all green IT infrastructure. With VMware virtual infrastructure, the groups said, the healthcare system virtualized 85 percent of its infrastructure and retired 185 servers in 90 days.
"After the successful greening of our datacenter, we have moved to the virtual desktop stage of implementation where we have begun to replace the traditional desktop with a 'zero foot print' endpoint that has no OS," said Tony Antinori, vice president of technology and operations, St Vincent's Medical Center. "A thin device consumes less than five watts, which is just three percent of a typical PC, making it the ultimate green alternative and increasing our ROI. At St. Vincent's, we plan to continue to implement virtualization technology across nearly 5000 endpoints, saving thousands of dollars in power and doing our part to go green."
VMware said it works with more than 40 utility companies worldwide to offer financial incentives for virtualization projects in datacenters. The incentives are based on the amount of energy savings achieved through data center consolidation and qualifying customers can earn a maximum rebate amount of $4 million per project site, and $300 to $600 in annual energy costs for each server removed. Those savings are almost double when reduced datacenter cooling costs are also taken into account, the company noted in a release.
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