saving power in a Dell Poweredge 750.
ducrot at poupinou.org
Thu Jan 11 10:56:56 UTC 2007
On Wed, Jan 10, 2007 at 10:49:40AM -0800, George Hartzell wrote:
> Peter Jeremy writes:
> > On Wed, 2007-Jan-10 09:34:21 -0800, George Hartzell wrote:
> > >I hooked my kill-a-watt meter up and ran the machine for a couple of
> > >days and it uses 88 watts (3.90KWH/44.01H).
> > What was it doing for those couple of days? [...]
> It's a small time mail server and web host. It was running under its
> real world load.
> > I presume you confirmed that cpufreq/powerd was actually functioning
> > (ie the CPU frequency was being changed).
> Yep, or at least I confirmed that powerd -v from a shell cycled up and
> down w/ demand, then I configured it to run as a daemon and confirmed
> that was cpufreq was loaded and that powerd was running in the
> > >That surprised me a bit, and seems to suggest that it's spending most
> > >of its energy spinning fans or something.
> > PSU overheads, fans, northbridge, video, RAM, disk, ... it all adds up.
> That's sort of what I was figuring, it is/was just that my laptop
> experience with powerd and battery life suggested that there would be
> more of a difference.
> > I can't specifically help with the Dell.
What specific driver(s) were loaded actually?
A devinfo might help.
-- Which is worse: ignorance or apathy?
-- Don't know. Don't care.
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