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<p>Doesn't the RPI need power removed to get a full shutdown and,
more importantly, have power re-applied to get it to start back
up? Does it have a sleep mode that can be pre-programmed to wake
up in time for the next recording? I can see the RPI used for a
FE or always-on BE, but how do you get it to power up and down?</p>
<p>If you watch the lights on a Pi during shutdown, the green light
flashes 10 times, then stays on steady until the SD card has done
its internal updates of the pending writes, then the green light
goes out, indicating it's time to pull the plug. (this seems to
have changed on the Pi4; no steady-on at the end) Any
plug-pulling before then and all bets are off on the integrity of
the card. Learned that the hard way...<br>
</p>
<p>Dave D.<br>
</p>
<div class="moz-cite-prefix">On 6/25/20 4:52 AM, jksjdevelop wrote:<br>
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cite="mid:f93c2b8c-bf37-7d7a-552f-0786ba308225@googlemail.com">
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<p>Just recently added a slave backend to my system which works
very well.</p>
<p>Uses a Rasberry Pi to host a Hauppauge Dual HD USB tuner.</p>
<p>Has anybody got a way to shut the slave down after the last
recording of the day?</p>
<p>I use the <a moz-do-not-send="true"
href="https://www.mythtv.org/wiki/Idle_Screen">Idle Screen</a>
on the master frontend to shut it down after recordings have
finished and the front end is no longer in use. The slave
backend seems to act like a remote frontend in that it keeps the
system going until it is shut down manually.</p>
<p>This behaviour is not fully consistent, sometimes it does not
keep the master awake but ignoring that I am looking for a
method of automatically shutting it down.</p>
<p>I thought a possible solution would be to invoke slave shutdown
using SSH from the master as part of its shutdown routine but
that will not work as the slave is keeping the master alive.<br>
</p>
<p><br>
</p>
<br>
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