Hi
I am sorry, but i can not answer any of your technical NUT questions,
i just wrote with an idea that might or might not work.
As for starting the machine if power returns, then i can think of some
remote power management that can turn the power on/off to the machine
and then sit between the UPS and the machine(s). WAKE on LAN might be
an option too.
JonB
On 22/05/2009, at 03.07, Richard Chapman wrote:
Thanks Jon
This sounds like one way to do it. If I do it this way - do you know
whether the file:
/etc/killpower
will be created before the shut-down is issued (as it would if the
battery low event occurs). If not - the UPS may not be shut down -
and therefore the system may not start up again if the power returns
before the battery is completely flat.
I guess if the flag file isn't created - then we could run a short
script to create it - then issue the shut-down.... Does that sound
right to you? Indeed - if we do write a short script - we could do
the delay in the script - somehow test whether we are still on
battery - and if so - issue the shut-down immediately.
Out of interest - do you know what the ups parameter:
battery.runtime: 120
Means - and where might it be documented?
Thanks Jon
Richard.
Jon Bendtsen wrote:
On 20/05/2009, at 12.11, Richard Chapman wrote:
For various reasons - I have been trying to get my Desktops and/or
servers to shut-down a fixed time after a power fail - or better
still a fixed time - or a low battery whichever comes first.
[cuuuuut]
Is there another parameter somewhere - probably in upsmon - which
would allow me to specify a shut-down after (say) 3 minutes
running on battery regardless of battery status?
In the upsmon.conf file you use NOTIFYCMD and ONBATT to execute a
shutdown $time
Then you use a ONLINE to execute a -c to cancel a shutdown if the
power returns.
JonB
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