Power supply monitoring in Linux?

[Bill McGonigle]

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.

You'd trap on each of the outlets and when the draw on one got really  
low you lost a PSU.

> This is for an embedded Linux device resold to customers, who,
> ideally, use UPSes and do their own monitoring at the power-main
> level.

Oh, now we get the real requirements! :)

-Bill

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