Power supply monitoring in Linux?
Jim Kuzdrall
gnhlug at intrel.com
Fri Nov 9 15:29:13 EST 2007
On Friday 09 November 2007 10:08, Paul Lussier wrote:
> Bill McGonigle <bill at bfccomputing.com> writes:
> > If you strike out with the onboard stuff and really need it, one of
> > the booths at LinuxWorld a year or two ago had smart power strips
> > with SNMP. I assume there was some kind of trapping on electrical
> > characteristics.
>
> We've got them. APC sells them. That is not an option. We need to
> monitor it in the OS to detect the failure on one of the redundant
> power supplies (it would be tough to detect the failure the second :)
> so we can send an alert.
>
> This is for an embedded Linux device resold to customers, who,
> ideally, use UPSes and do their own monitoring at the power-main
> level.
I should have been following the thread more closely, but I suppose
that you have disallowed any hardware solutions.
If not, there is an easy way to insert a small board between the
power supplies with a fly lead off to some interrupt node on the
motherboard. All plug-in stuff, no soldering or trace cutting. Costs
money, though.
Jim Kuzdrall
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