Demand based switching with RHEL4 on PE 1850 and 1950 servers

[Billinghurst, David (RTATECH)]

As part of our corporate energy efficiency program, I want to 
reduce the energy consumption of our 1850 and 1950 servers.

The machines are compute servers running large mathematical models.  
They are either flat out for days at a time, or idle.

Is anyone using Demand-Based Switching, as discussed in
http://www.dell.com/downloads/global/power/ps3q05-20050136-Hargrave-OE.pdf
Will it work?  Is it a "Good Thing"?  Are there any other references?

I am also considering just powering them down if they are idle out of hours
and automatically powering them up at 0800 on workdays.

	David


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