[mythtv-users] Two-backends with two-frontends on one machine?

[Jay Mallar]

Message: 8
Date: Tue, 10 Jul 2007 21:18:02 +0100
From: "Daniel Carter" <dantheperson at gmail.com>
Subject: Re: [mythtv-users] Two-backends with two-frontends on one
	machine?
To: "Discussion about mythtv" <mythtv-users at mythtv.org>
Message-ID:
	<9fbcaa460707101318u5f487726v3a470c6217ec74c2 at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

On 10/07/07, Brad DerManouelian <myth at dermanouelian.com> wrote:

> >
> >
> > Of course, the best option is to use master and slave backends so you get
> > the best use of all your tuner cards, then put each of your recordings into
> > their own group and only display the group you want to see. Sharing is good.
> >
> If you use recording groups to solve the recording schedule seperation, then
> why the need for master and slave backends? Put all your tuner cards in one
> machine to save on hardware costs and power usage etc.

I have several reasons.... 

* Redundancy.  I don't want to ever lose all my shows again due to 
hardware failure (once is enough!)  , and yes, I'm using RAID 1 too.  If 
I had one machine and it lost a motherboard, I'd lose all 
functionality.  If I have two machines and only one goes out, at least 
I'm not dead in the water.
* I prefer the PVR-250 instead of the PVR-500 (better quality video from 
what I've seen).  Also, since I want a four tuner setup, getting a 
motherboard these days that can support a decent processor AND provide 
four PCI slots has proven difficult, if not impossible.
* Since I want to eventually upgrade to HDTV, I want to have some wiggle 
room in the machines to add new components, like new drives.
* Since I plan to do commercial skipping (and transcoding here and 
there), I want to make sure I'm not affecting my four tuner cards when I do.
* It's easier to keep two less-full machines cooler than it is one 
mega-machine.
* Cost isn't really an issue for me, I'd prefer to have the two machines 
that I can grow with rather than one machine that is full from the get go.

I like the idea of recording groups.  I wasn't able to glean from the 
MythTV docs exactly how recording groups work, so I guess I'll have to 
try them and see if that handles it for me.  From what I can tell from 
the docs, you can pull up lists of recordings by group, but I can't find 
anything that says how to assign groups.  When I schedule recurring 
recordings, can I assign each one to a group?  Can you assign things to 
more than one group?  Can you view things in other groups if necessary?  
Just not sure how groups work at all...

-- Jay
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