[mythtv-users] Backend/Frontend hardware (new system)

Michael Watson michael at thewatsonfamily.id.au
Tue Sep 18 23:02:24 UTC 2012

On 19/09/2012 7:16 AM, Nick Rout wrote:
> On Tue, Sep 18, 2012 at 2:13 PM, Michael Watson
> <michael at thewatsonfamily.id.au> wrote:
>> On 18/09/2012 10:58 AM, Nick Rout wrote:
>>> On Tue, Sep 18, 2012 at 12:45 PM, Michael Watson
>>> <michael at thewatsonfamily.id.au> wrote:
>>>> On 18/09/2012 9:39 AM, Nick Rout wrote:
>>>>> On Tue, Sep 18, 2012 at 9:36 AM, Michael Watson
>>>>> <michael at thewatsonfamily.id.au> wrote:
>>>>>> On 18/09/2012 7:27 AM, Tyler T wrote:
>>>>>>> Do you still intend to record TV for later viewing? I don't see a
>>>>>>> tuner in your hardware list.
>>>>>>> FYI a DVR doesn't require expensive hardware if you're willing to give
>>>>>>> up commflagging* and transcoding**. Pretty much any PC new enough to
>>>>>>> have SATA will work as a backend-only, so you could get some random
>>>>>>> used desktop PC for cheap off Craigslist and run it headless in a
>>>>>>> closet. Then you can use whatever you like for a separate frontend
>>>>>>> such as a WD Live or similar media player***.
>>>>>>> * I prefer manual 30-second skip anyway
>>>>>>> ** Just get a bigger hard drive, not worth the trouble IMHO
>>>>>>> *** Note that using something other than an actual Myth FE will
>>>>>>> require you to schedule recordings via MythWeb, but most probably
>>>>>>> won't find this a dealbreaker
>>>>>> Nor do you really need a big beefy machine for frontend work.
>>>>>> I have several P4 3.0 Ghz Machines with GeForce 8400GS Cards that work
>>>>>> excellent as frontends.  (There are plenty of SFF HP/Compaq/Dell
>>>>>> machines
>>>>>> that will work perfectly as a frontend)
>>>>> And most of them power hogs! There is certainly a tradeoff between
>>>>> cost and power saving and speed and quietness.
>>>> I don't believe so.  Last time I did the figures, the TCO over expected
>>>> life
>>>> span of each machines, it worked out roughly the same cost (new low power
>>>> machine vs low cost second hand equipment), if you then include cost to
>>>> the
>>>> environment, then the s/hand equipment wins hands down.
>>>> (Recycle/Reuse/Reduce)
>>> Or are you better to go with the lower power machine if you want to
>>> look after the environment? We burn coal for electricity after all. I
>>> simply don't know the right answer here! I doubt that any one answer
>>> is "right".
>> Coal is not the only material used to generate power.  There are many others
>> including Nuclear, Wind, Solar, and Water
> Well I wouldn't classify nuclear as environmetally friendly, the waste
> has to go somewhere.

Granted, but it doesnt release carbon into the atmosphere.
> Every extra amp you pull means more coal or other wasteful and/or
> dirty methods have to be used, until you get consumption down to the
> point where clean methods supply all our needs.
Power to my house is provided by Hyrdo Electric.
What of the energy, resources used (and the energy consumed to mine the 
resources) to produce a new machine, that is not required if an old 
(already produced) machine can be reused, granted consuming more power 
than a new, low power machine.  But what are the actual usage figures of 
a "low power" machine, and a P4 Desktop machine, playing the same content.

I am watching with great interest the development of the Myth Android 
Frontend, this seems it would be a great addition to the small, low 
power, cheap Google TV devices now entering the market.

>> But, back to the original statement.  You do not need a new high priced
>> machine to run Myth Frontend or Backend seperate or combined.  You can do it
>> quite happily on equipment that is 5+ Years old, for very little out lay.
> I don't disagree, just pointing out the other issues involved in that approach.
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