saving energy with windows7 in vdi

July 21st, 2009 by Sebastian Leave a reply »

[For the german/original version - please click here.]

After the release of vSphere the VMware Distributed Power Management feature (DPM) [1] has left “experimental” state – so you can achieve real power savings in optimized Virtual Desktop Infrastructures now. With Windows7, which is to be released on 22nd of october 2009 [2], you get one more cool tool to throttle power consumption in your it-infrastructure:The Power Efficiency Diagnostics Report can be automatically created through a little command in a Windows7 CLI with administrative rights.

After starting the command powercfg -energy the system is monitored for 60 seconds and at the end the results are written down in a file called energy-report.html.

This report has some useful information for customizing your golden image of your vdi in terms of power consumption. Information you will get are:

  • usb-devices which doesn’t turn into standby-mode (not interesting for vdi)
  • processes with a high cpu utilization
  • settings of your energy-management

In big environments there is a good possibility, that there can be big energy savings achieved by optimizing physical windows7 workstations with this tool as well.

[1] http://blog.cema.de/2009/01/vmware-distributed-power-management.html
[2] http://windows7news.com/tag/windows-7-release-date/

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1 comment

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