[mythtv-users] Capture card / Myth Upgrade Question

Ken Smith kens at kensnet.org
Wed Jun 9 11:27:04 UTC 2010

Nick Morrott wrote:
> On 8 June 2010 17:20, Ken Smith <kens at kensnet.org> wrote:
>> It seemed to go fairly well although it was looking for the capture cards in
>> the original master b/e. As a test I deleted all the capture cards from the
>> new one and set up just the spare in there. It's a DVB-500 and I didn't
>> bother connecting an antenna or getting it to scan for channels or download
>> the EPG.
>> I noticed that while the recordings appeared to be there the scheduled
>> recording listings were empty. Will those come back when I move the original
>> capture cards over and let them download the EPG off-air?
> After you copied the database to the new machine and deleted the
> capture card(s) that were assigned to the old backend, did you also
> remove the existing video source(s)?
> Channel settings and programme listings are stored as part of each
> configured video source. Additionally, EIT programme listings (those
> you get over the air from Freeview or Freesat in the UK) only provide
> about 8 days of listings. So, if either 8 days have elapsed since
> taking the database backup on the old backend, or you have deleted the
> configured video source(s) on the new backend, you will not have any
> current listings available, and the scheduler will be unable to
> schedule anything until you receive new listings.
> If the DVB-T video source from the old backend is still defined on the
> new machine, you just need to reconnect the capture card input(s) to
> this video source (on the Input Connections pages of mythtv-setup).
> Additionally, as long as you are still pointing your antenna at the
> same transmitter, you do not need to rescan your channels - to get new
> listings, you just need to reconnect the antenna to the DVB-T card in
> the new machine and start mythbackend.
> However, as you are using an old MythTV release, I would recommend a
> full scan in order to pick up new channels and DVB settings that will
> enable your MythTV 0.23 system to take full advantage of the
> EITimprovements added to MythTV since 0.20 was released.
> Capture cards are host-aware, so if you do move cards between
> machines, you will need to reconfigure them as you have discovered.
> Video sources are not host-aware - they are defined globally for the
> entire MythTV system. This means that if at some later point in time
> you decide to add a DVB-Tcard to a slave backend, you only have to
> configure the capture card whilst reusing the already-defined DVB-T
> video source.
> Cheers,
> Nick
Thank you Nick - that makes sense. :-) Ken

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