[torqueusers] Green computing - Power on/off

Gus Correa gus at ldeo.columbia.edu
Fri Aug 6 13:59:57 MDT 2010

alap pandya wrote:
> *For the power saving purpose  we want to call one script / program for 
> each job submission.
> **This script should run only on head node and perform job to turn on 
> extra nodes if free nodes are not sufficient to run a job.*
> *
> *Another script/program will  turn-off idle nodes .
> How to do that ...Will appreciate if you share any idea for implementation.
> With Regards,
> Alap Pandya
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Hi Alap

If you have a Rocks cluster, there
is software by Somsak Sriprayoonsakul
called "rocks-solid", with a very similar goal,
based on IPMI or WOL, although I haven't used it:

Gus Correa

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