Comments on: Saving Power with VMware vSphere ESX – Dynamic Voltage and Frequency Scaling (DVFS). http://www.techhead.co.uk/saving-power-with-vmware-vsphere-esx-dynamic-voltage-and-frequency-scaling-dvfs TechHead.co.uk is a site dedicated to information on various IT technologies, solutions, fixes and IT news. Topic areas include HP Proliant Servers & Storage, VMware vSphere,ESX,ESXi, Microsoft Hyper V and Windows Server Wed, 08 Feb 2012 05:47:40 +0000 hourly 1 http://wordpress.org/?v= By: Power Management in ESXi 4.1 – Facts and Figures http://www.techhead.co.uk/saving-power-with-vmware-vsphere-esx-dynamic-voltage-and-frequency-scaling-dvfs#comment-11205 Power Management in ESXi 4.1 – Facts and Figures Tue, 27 Jul 2010 12:39:43 +0000 http://www.techhead.co.uk/?p=3087#comment-11205 [...] The vSphere 4 release included a fair bit of marketing fluff about power management, which when it came down to the fact was some fairly basic CPU frequency scaling, which had to be enabled by changing the advanced setting ‘power.cpuPolicy’ to ‘dynamic’. [...] [...] The vSphere 4 release included a fair bit of marketing fluff about power management, which when it came down to the fact was some fairly basic CPU frequency scaling, which had to be enabled by changing the advanced setting ‘power.cpuPolicy’ to ‘dynamic’. [...]

]]> By: Tame Electrical and Heating Costs with CPU Power Management » boche.net – VMware Virtualization Evangelist http://www.techhead.co.uk/saving-power-with-vmware-vsphere-esx-dynamic-voltage-and-frequency-scaling-dvfs#comment-9758 Tame Electrical and Heating Costs with CPU Power Management » boche.net – VMware Virtualization Evangelist Wed, 18 Nov 2009 13:48:20 +0000 http://www.techhead.co.uk/?p=3087#comment-9758 [...] I was just made aware that Simon Seagrave wrote an earlier article on CPU power management here.  Sorry Simon, I was unaware of your article and I did not intentionally copy your topic.  Your [...] [...] I was just made aware that Simon Seagrave wrote an earlier article on CPU power management here.  Sorry Simon, I was unaware of your article and I did not intentionally copy your topic.  Your [...]

]]> By: Cody Bunch http://www.techhead.co.uk/saving-power-with-vmware-vsphere-esx-dynamic-voltage-and-frequency-scaling-dvfs#comment-9700 Cody Bunch Fri, 30 Oct 2009 13:29:49 +0000 http://www.techhead.co.uk/?p=3087#comment-9700 That's pretty slick. I'd be interested in any adverse effects you notice after enabling it. What does it do, if anything, to performance? -Cody http://professionalvmware.com That’s pretty slick. I’d be interested in any adverse effects you notice after enabling it. What does it do, if anything, to performance?

-Cody
http://professionalvmware.com

]]> By: larstr http://www.techhead.co.uk/saving-power-with-vmware-vsphere-esx-dynamic-voltage-and-frequency-scaling-dvfs#comment-9680 larstr Wed, 28 Oct 2009 09:41:10 +0000 http://www.techhead.co.uk/?p=3087#comment-9680 Have you compared the VM performance after enabling this option? On hosted products the difference is sometimes very noticable when this is enabled. Lars Have you compared the VM performance after enabling this option? On hosted products the difference is sometimes very noticable when this is enabled.

Lars

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