[HECnet] Multinet Tunnel Links defined

hvlems at zonnet.nl hvlems at zonnet.nl
Wed Dec 21 13:37:22 PST 2011


See my site for more data. The Alpha Server 1200 and its white box variant are the worst in my collection. 
------Origineel bericht------
Van: Peter Coghlan
Afzender: owner-hecnet at Update.UU.SE
Aan: hecnet at Update.UU.SE
Beantwoorden: hecnet at Update.UU.SE
Onderwerp: Re: [HECnet] Multinet Tunnel Links defined
Verzonden: 21 december 2011 22:21


My annual power bill runs from December until November. So last year is just
closed and billed. In 2010 I kept system powered off when not in use but
plugged into the mains. That year we used 7200 kWhr. In 2011 unused systems
were also unplugged. We used 5100 kWhr. At .25 cents per kWhr that's a huge
difference.


I have found that systems such as the Alphaserver 1000A use a lot of power
when they are plugged in but not switched on. I went to swap out a power supply
from such a machine and found it very warm, almost hot (the PSU fan does not
run when they are "off").

I imagine this also applies to the Alphaserver 800, ES40 and other systems that
support the RMC facility for remote power management. In fact anything with
a silly little front panel on/off switch should probably be plugged out when
not in use.

Regards,
Peter Coghlan.
BTP::PETER



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