[mythtv-users] How big CF card for frontend?

[Tom Lichti]

On Sun, Feb 15, 2009 at 9:45 PM, Nick Rout <nick.rout at gmail.com> wrote:
> On Mon, Feb 16, 2009 at 3:34 PM, Yan Seiner <yan at seiner.com> wrote:
>> Colin McGregor wrote:
>>>
>>> On 2/15/09, Yan Seiner <yan at seiner.com> wrote:
>>>
>>>>
>>>> Colin McGregor wrote:
>>>>
>>>>>
>>>>> On 2/15/09, Nick Rout <nick.rout at gmail.com> wrote:
>>>>>
>>>>>
>>>>>>
>>>>>> How large would a CF card need to be to hold a mythbuntu front end? I
>>>>>> am hoping 4G but can't find a figure anywhere.
>>>>>>
>>>>>>
>>>>>
>>>>> Just over a month ago I put the Mythbuntu front end on to a USB memory
>>>>> key. It was quite happy on a 1 GB key. I don't recall if it would fit
>>>>> on a 512 MB key (probably, but I was just testing things, and the 1 GB
>>>>> memory key was what I had handy). Bottom line, a 4 GB CF card would be
>>>>> SERIOUS over kill.
>>>>>
>>>>>
>>>>
>>>> I built a qt3 embedded system in 16 MB of flash.  I don't know how big
>>>> the frontend is, but I'd bet you could build the whole thing in 32 MB of
>>>> flash.
>>>>
>>>
>>> You may well be right.
>>>
>>> However, Mythbuntu does have a utility for building a bootable USB
>>> memory key image. If you use that utility, you will have a much bigger
>>> than 32 MB image :-( . Obviously there will be stuff (likely a LOT of
>>> stuff) that could be stripped out by hand. On the other hand, with 1
>>> GB memory keys going for under $10, well, doing a lot of hand tweaking
>>> isn't worth it in my books... Your mileage might however vary...
>>>
>>
>> True.... But you could add it to OpenEmbedded and build for a platform of
>> your choice.  Now the question is:  Is there interest?  Or is this one of
>> those one-off projects?  And, how portable is the myth code?  Would it run
>> on anything other than x86?
>
>
> well it runs on ppc and amd64 :-)
>
> But seriously (and back on topic) is the difference here between
>
> 1. a system that simply boots off flash/CF and then mounts / or /usr
> over nfs (Which I suspect is what Colin is doing, I also note that the
> mythbuntu setup is for a network mounted system and that the flash
> drive setup seems to be a substitue for netbooting the kernel and
> initramfs, as opposed to a full system); or
>
> 2. A complete system booting from flash and mounting the flash device
> as / (which is, I suspect, what Tom Lichti is doing, and what I was
> proposing).

I am doing 2. Much easier to maintain, I think, since it's basically a
normal setup.

Tom