[mythtv-users] Nightly shutdown + RTC Wakeup

Rob Beard rob at esdelle.co.uk
Wed Dec 2 17:56:13 UTC 2009

On 02/12/2009 17:26, Mitch Gore wrote:
> Hi,
> I am trying to save some wear and tear/power by not leaving my backend 
> on 24/7.  I have been testing with RTC Wakeup which works great.  I 
> created a scirpt that powers off at 11:30 and back on at 7:30.  This 
> works great as I save 8hours of run time each day.
> There is only one issue.  I have a program that is only on at 4am. My 
> backend will be powered off so I will miss the recording.
> Some other constraints:
> 1. This is a diskless server for my frontends.
> 2.  Box servers DHCP and DNS
> 3. because of 2 i need the box on from 7:30am to 11:30pm.
> I know Mythtv has shutdown times and settings in mythtv-setup but I 
> dont see how it can help me in my case.
> The logic I need:
> If recording occurs between now (11:30) and 7:30am
>   set wakeup 10 mins before program start
>   at program end Goto begining of script and recheck for another 
> recording
> else
>    set timer to wake-up at 7:30am
>   shutdown
> How can i accomplish this?

You say you hve a diskless server, so presumably you have some sort of 
NAS running?

Is it not possible to configure the NAS to send a wake on lan command to 
the server at say 3:50am, and then have something configured on the 
server to shut down when the program has finished?


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