[mythtv-users] large mythtv deployment

[Yan Seiner]

Michael Johnson wrote:
> We have 8 satellite feeds. So we don't necessarily want 8 backends, 
> however we want 8 capture cards hooked up (somehow) to the hardware we 
> have below.

That seems like an awful lot of hardware....

I'd try something like this:

2 quad-core frontends combos, one acting as a backend, with 6 GB RAM each
4 HDHR (they're coming out with DVB-T any day now); if that's not 
available, use USB tuners or set up a backend with a server-class PCI mobo
each frontend with two dual-dvi nvidia cards, running separate X 
sessions on each head - or if it's a fixed setup, run in twinview and 
position the mythfrontend sessions on the heads
Use USB based remotes

The only part that's uncertain is the remotes.  I haven't gotten that 
far in my config yet.  I think it should be possible to route everything 
correctly but right now it's untested.

That way you have 2, maybe 3 machines, a lot less power drain, and much 
simpler configuration.

For that many tuners, you're very light on disk space, though.

--Yan
>
> On Sat, Nov 15, 2008 at 10:29 AM, Mike Perkins 
> <mikep at randomtraveller.org.uk <mailto:mikep at randomtraveller.org.uk>> 
> wrote:
>
>     Michael Johnson wrote:
>     > Hi,
>     >
>     > I am doing a fairly large deployment of mythtv at work and I am
>     looking for
>     > any pointers that may help us out. So far we have the following
>     hardware for
>     > a mythtv cluster and we are now debating over the hd5500 or the
>     WinTV-HD
>     > capture cards. We want 8x backends and 8x frontends.
>     >
>     > Hardware:
>     > 1 x Quad core 2.8Ghz / 4G ram / 500G disk
>     > 2 x Quad core 2.4Ghz / 4G ram / 500G disk
>     > 2 x Dual core 2.4Ghz / 4G ram / 500G disk
>     > 8 x 3Ghz / 4Gram / 120G
>     > 1 x appletv frontend
>     > 1 x ps3 frontend
>     >
>     > Plan:
>     > Keep all the frontends and backends in a single room and run 3
>     ethernet
>     > cables from frontend to the display via HDMI over ethernet thus
>     leaving 1
>     > ethernet cable free for IR and maybe something else.
>     >
>     > In Question:
>     > * What is the length limit on an IR reciever cable?
>     >
>     Why on earth do you want to have eight backends? Are you setting
>     these up to be
>     completely independant of each other? It's not necessary, and you
>     will be
>     duplicating files and effort.
>
>     --
>
>     Mike Perkins
>
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