Set Up DPM and Use vCenter Scheduled Task to Turn DPM Off and On
VMware Power Management or Distributed Power Management (DPM) powers down hosts when resources are not needed and powers the host
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Awesome HA and DRS Audit Script Based on the HA/DRS Technical Deepdive
If you do not have a copy of VMware vSphere 4.1 HA and DRS Technical Deepdive by @DuncanYB and @FrankDenneman
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