CHAPTER 14VMware Distributed Power Management

In recent years, there has been much talk about creating a “green datacenter”—a drive to consume less power, intended to have both an economic and environmental impact. Distributed Power Management (DPM) addresses this concern and is integrated into DRS. Its job is to monitor the cluster’s usage and move VMs during nonpeak usage to a fewer number of ESX hosts. The unneeded ESX hosts are put into a standby mode, so they consume less power in the server room.

In this chapter, you’ll learn how DPM works and how to enable it.

What’s New with DPM?

• Full support for DPM (it is no longer experimental)

• Replacement of the APCI/magic packets/WoL support with a much more reliable method integrated with ILO/RAC/DRAC ...

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