Re: [gentoo-user] apcupsd to recycle power

[Thanasis <thanasis@asyr.hopto.org>]

on 11/15/2014 06:47 PM Daniel Frey wrote the following:
> On 11/14/2014 10:53 AM, Thanasis wrote:
>> I have an APC SC620I, which in case of power failure, it successfully
>> initiates a shutdown to the connected (via SMART cable) PC, but if the
>> mains power returns, the UPS does not recycle the power to the PC, and
>> consequently the PC stays off.
>>
>> Regardless if the mains power returns soon after the UPS has initiated a
>> shutdown to the PC, shouldn't the UPS recycle the power anyway, so that
>> the PC comes back on as set in BIOS?
>
> I assume that your PC shuts off thus reducing the load - and, of course,
> this increases the runtime of the remaining battery so the UPS never
> actually shuts down?
>
> I don't think you can get apcupsd in any case to cycle the outlet
> groups, but you can try a couple things.
>
> First, is apcupsd even sending the signal to shutdown the UPS?
>
> /etc/init.d/apcupsd.powerfail needs to be added to the shutdown runlevel:
>
> `rc-update add apcupsd.powerfail shutdown`

I have even tried to run the command "/sbin/apcupsd --killpower" from a 
root terminal (while in default runlevel, after manually creating the 
file /etc/apcupsd/powerfail) and nothing happened.

>
> At the end of the shutdown this is run and it tells the UPS to power
> off. If you have multiple PCs this should be enabled on the slowest to
> shutdown to make sure it doesn't kill a machine still shutting down.
>
>>
>> Am I missing something in the configuration or the daemons that should
>> be running?
>>
>> (Running sys-power/apcupsd-3.14.8-r2)
>>
>> /etc/apcupsd/apcupsd.conf folows:
>> KILLDELAY 0
>
> If the above fails (if the above does indeed fail, some troubleshooting
> should happen to try to figure out why it doesn't work), KILLDELAY is
> the parameter you likely seek, but it is dangerous. If you set this it
> will wait x seconds after a shutdown was requested and forcibly shut
> down the UPS power.
>
> However, in the even that power is restored between the UPS kill and the
> time it actually turns off the mains will still not be cycled.

Why would this be so?

> But
> theoretically this window should be pretty small.
>
> Dan
>
>
>
>