[mythtv-users] Can you use shutdown/wakeup with *slave* backends in MythTV?

Nick knowledgejunkie at gmail.com
Wed Dec 21 03:19:05 EST 2005

On 21/12/05, Robert Johnston <anaerin at gmail.com> wrote:
> On 12/20/05, Nick <knowledgejunkie at gmail.com> wrote:
> > I'd had this working on my master backend for some time but was
> > wondering whether MythTV supports using this for any slave machines
> > that are needed for scheduled recordings? At the moment I make sure
> > they are turned on as and when needed (or left on if being used to
> > watch media).
> >
> > Is it therefore possible to control the slave machines from within
> > MythTV to allow them to shutdown/wakeup automatically, assuming
> > scheduled recordings are schedulable (via card input priority) on the
> > slave? For example, I would much prefer that recordings that could be
> > made on the DVB cards in a slave machine were scheduled and recorded,
> > rather than defaulting to the composite feed from a cable box in the
> > master backend machine.
> >
> > Any input, or even a simple no, would be appreciated.
> Yes. From what I recall, the Master Backend can send "Magic Packets"
> to a slave backend, to trigger it's "Wake On Lan" system. This should
> then bring up the slave backend to start it's recording.
> This is all IIRC, however.

For non-WOL equipped machines, is it possible to use a nvram-wakeup
type script (as in the case of the MBE) to run on the slave before it
shuts down?


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