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Luiz Barroso in his classic 2007 paper posited that given that servers in data centers were loaded between 10 and 50 percent of peak, it would be beneficial from an energy perspective to have servers with a large powe... Server Parking in Virtualized Cloud Data CentersBack In our prior blog entry we saw that a common technique to reduce lighting power costs in residential and commercial buildings is to turn lights off in unused rooms. This concept is so widely accepted that we rar... Power-Aware Dynamic Reconfiguration of Server Pools in Virtualized Cloud EnvironmentsBack Two approaches are commonly applied to reduce lighting power consumption in residential or commercial buildings: turning lights off and using dimming mechanisms. Turning lights off yields the greatest power sav... Optimizing Power Performance in Virtualized Cloud Server PoolsBack Virtualization and cloud computing bring costs down by enabling the reuse and sharing of physical and application resources leads to a more efficient and higher degree of utilization for that particular resource... Cloud Computing Brings Permanent Cost Reductions in IT InfrastructureBack It is undeniable that cloud computing activities have come to the forefront in the IT industry to the point that Gartner declares “The levels of hype around cloud computing in the IT industry are deafening, with... Cloud Computing and the Hype CycleBack The rapid growth in data volume is prompting IT organizations to store data in the cloud. As a mature infrastructure application, the use of storage appliance will become a common approach for implementing storage s... A reference architecture for power managing a cloud storage application (companion paper)Back The rapid growth in data volume is prompting IT organizations to store data in the cloud. As a mature infrastructure application, the use of storage appliance will become a common approach for implementing storage se... A reference architecture for power managing a cloud storage applicationBack One of the first questions in my mind when I was first exposed to Intel(r) Intelligent Power Manager (Node Manager) was "what is the performance impact of applying Node Manager technology?" I will share some tho... Performance Impact of Intel® Intelligent Power Node ManagerBack In spite of significant gains in server energy efficiency, power consumption in data centers is still trending up. At the very least, we can make sure that the energy expended yields maximum benefit to the busin... Strategies for Managing Power Consumption in the Data CenterBack I would like to elaborate on the topic energy vs. power management in my previous entry. Upgrading the electrical power infrastructure to accommodate additional servers is not an op... Energy Management vs. Power Management in the Data Center, Take 2Back There are two technologies available to regulate power consumption in the recently introduced Nehalem servers using the Intel® Xeon® processor 5500 series. The first is power proportional computing where... Energy Management vs. Power Management in Data Center ServersBack The Intel(r) Dynamic Power Node Manager technology allows setting a power consumption target for a server under load as described in a previous article. This is useful for optimizing the number of servers in a r... Dynamic Power Allocation for Server GroupsBack In this installment on uses of server power management we continue the discussion on using this capability for other uses beyond server rack density. Intel(r) Data Center Manager (Intel DCM) is a software development... Managing power events and thermal exceptionsBack In a previous article we explored the implementation mechanisms for monitoring and controlling the power consumed by data center servers. In this article we'll see that an ability to trim the power consumed by s... Using Intel(r) power management to increase rack densityBack The recently introduced Intel® Xeon® 5500 Series Processor, formerly code named Nehalem brings a number of power management features that not only improve on energy efficiency over previous generations, such a... Actively Managing Power in Nehalem-based Servers: How it WorksBack In our previous post we noted that the state of the art power montoring in virtualized environments is much less advanced than power monitoring applied to physical systems. There is a larger historical context, ... The Curious Case of Virtualized Power, Part 2Back Given the recent intense focus in the industry around data center power management and the furious pace of the adoption of virtualization, it is remarkable that the subject of power management in virtualized environme... The Curious Case of Virtualized PowerBack I had the privilege to get invited to the Microsoft Virtualization Launch event in Bellevue, Washington on September 8, 2008 on occasion of the release of Microsoft Windows Server* 2008. I attended the keynote p... Microsoft Hyper-V Launch Event in BellevueBack