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

Stefan G. Weichinger lists at xunil.at
Fri Nov 19 21:59:18 UTC 2010

Am 19.11.2010 19:32, schrieb Andre:

> To give you a datapoint I find that 4 virtual tuners works well with
> a dual tuner slave backend that has a 1.8Ghz C2D cpu clocked at 1Ghz
> for quiet running and 2GB ram. I can record 4 HD streams in the tests
> I did and I find that 2 virtual tuners is used a lot of times for
> overlaps, 3 is used sometimes, 4 I've never seen "in the wild" but I
> know I can record two shows on two channels with overlaps.
> I have 5 sata disks to spread the load but they are shared between a
> master and nfs slave backend, The master has a Q6600 2.4Ghz C2Dquad
> 4GB ram, grand total of 6 tuners, 24 virtual tuners.

For comparison:

BE has C2D E7400 (2.8 GHz), 4 GB RAM, 4x1T hdd (two of them for
mythtv-storage). And "only" the 2 mentioned tuners.

> You need to set everything to max (5) get a channel plan (king of sat
> maybe) and pile on the recordings until it breaks then back off a
> little :-)

So I assume my box should do fine with 3 ;-)

king-of-sat looks somehow scary ;-)

Thanks so far, Stefan

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