What is the difference between standby and off mode?

We would like to know what is the Stand of an ESX 4.0 host?

Is there a difference whether it is in Stand By mode or he was arrested?  I guess the only difference is that an ESX host mode ensure can be started upward with VIC while the judgment cannot?

Thank you

Roughly, when the host is in standby mode, it is always in a power off State but you can power it on via WOL (Wake on LAN). The mainly usage case with this feature is integration with VMware DRS and VMware DPM (Distributed Power Management) which allows the cluster hosts to stop that are not actively used to save on power, once it detects a higher load, it will emit power up to guests who are in standby mode after the load.

Here is an article shows you how to configure DPM to your hosts: http://itknowledgeexchange.techtarget.com/virtualization-pro/configuring-distributed-power-management/

=========================================================================

William Lam

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