[mythtv-users] Impact of external firewire drive

Brian Wood beww at beww.org
Mon Jan 21 15:06:13 UTC 2008

Bruce Richardson wrote:
> I just spent the weekend setting up MythTV on an old Mac Mini G4
> (Debian testing, mythtv-0.20.2, Hauppauge WinTV Nova-TD stick,
> combination backend and frontend) and am very happy with the results.
> It's currently using the internal hd for everything and I have a decent
> Firewire 400 drive I could connect to it, but being new to MythTV (and
> PVRs in general) I don't know enough to predict the results.
> My back-of-the-beermat calculations tell me that the bandwidth should be
> fine for recording and I would expect that having the OS and data on
> different disks to reduce contention for disk io, but I just don't know
> if some of the more intensive video processing work done by MythTV would
> punish the firewire disk.  Opinions from MythTV veterans welcomed.

My guess is that you would be OK, but there is no substitute for actual 

The HDD in the mini is certainly no ball of fire (I think it's a 4200 
RPM unit), I think a F/W drive might come close to it in performance.

I'd guess if you run into trouble with that setup it would be the CPU.



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