[mythtv-users] DVB-S multirec: how many recordings per card?

[Another Sillyname]

On 19 November 2010 16:44, Stefan G. Weichinger <lists at xunil.at> wrote:
> Am 18.11.2010 22:43, schrieb Simon Hobson:
>> Simple answer - "it depends" !
>
> Wow, really?? ;-)
>
>> It really comes down to what **your** system can handle, and that
>> will be different to every one else's systems. If you can manage to
>> schedule that many recordings AND your system can keep up AND it can
>> do any other jobs (eg comm flagging) you want it to do AND it can
>> play back as many frontend streams as desired ... then it's OK.
>>
>> If yu find that with several recording going on, and a commflag job
>> running, and playback going, that your frontends are not smooth -
>> then you've passed the limit for your system. In extreme, you may
>> find your recordings corrupt because buffers overflow before they can
>> be written to disk.
>>
>> Having said all that, I don't know what your channel lineup is like,
>> but here in the UK it doesn't look like multirec is as useful as it
>> is for terrestrial because there are a lot more muxes and fewer
>> channels per mux on satellite.
>
> Thanks for your explanations. I just wanted some general feedback or
> something like: "You should be safe with a setting of Y and the
> technical maximum is X" ...
>
> Or maybe some "I use those cards with a setting of X and it works fine".
>
> I perfectly understand that the box itself also is important ...
>
> Thanks, S
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Stefan

More importantly have a look at you target satellites and the channels
therein, now look at the Mux spread, you may well find that you never
have more then 2 channels that you want to watch on the same Mux
anyway.  If this is the case then there's little or no point
allocating more then 2 multi-recs per card tuner as they'll never be
able to record more then that.