[Nut-upsdev] UPS gracefull restart

[Tomáš Macek]

Arjen de Korte wrote:
>> I'm trying to force the software to properly shutdown the computer
>> when someone (admin) over the internet reboots the UPS (don't ask me
>> why, we simply sometimes must to do it) - for example from the UPS's
>> web interface or from the telnet's command line. We use many APC UPSs
>> like 750XL or Matrix.
>>
>> It happened somehow accidentally, that the admin reboots the UPS and
>> forget to shutdown the server before shutdowning UPS and the computer
>>   sometimes doesn't start properly again.
>>
>> When we are using Nut driver apcsmart (monitoring over serial port),
>> the driver works fine = when gracefully rebooting UPS over internet,
>> the driver says to the computer it shlould shutdown. When we are using
>> snmp-ups driver (monitoring over IP address), the snmp-ups driver does
>> not says to the computer it should shutdown when we are gracefully
>> rebooting UPS and bad things will happen...
>>
>> What idea do you have?
> 
> To reboot the systems by running 'upsmon -c fsd' on the master that is
> monitoring the UPS. But this won't work if your administrators use the
> webinterface of the UPS, so this is probably not a good idea.

Yes, you are right.
But sometimes occurs the need to reboot the computer from the UPS 
itself - for example when the computer does not response - you cannot 
login and the attached UPS restarting is the only way.

> Note that if you have the choice between monitoring the UPS through SNMP
> and serial port, the latter is the better option. The SNMP driver we
> currently have is still quite experimental and it currently is lacking
> some features that are available in the serial driver. Most importantly,
> the shutdown command which we will probably never be able to implement in
> a meaningful manner.

I understand, but it would be good feature. There is still not only 
gracefull reboot, but even the gracefull poweroff - both are missing 
in the driver.

Thank you for your help.

Best regards, Tomas