[linux-dvb] Re: embedded DVB box?!

[Usenet-372110@zocki.toppoint.de (Rainer Zocholl)]

christoph@christoph-roell.de(Christoph Röll)  22.08.01 16:40

Once upon a time Christoph Röll shaped the electrons to say...

>> mm@juelich-gmbh.de(Michael Moster)  21.08.01 20:54
>>
>> Once upon a time Michael Moster shaped the electrons to say...
>>
>>>Hi all!
>>>
>>>Look there, you can get falsh disks up to128 MB (~200 Euro)
>>>http://www.visionsystems.de/
>>>here is a Datasheet:
>>>http://www.visionsystems.de/produkte/datasheet/141_data.pdf
>>

>what's about running the whole system in RAM-disk by making a
>filesystem in RAM  using initrd on startup and mounting the HDD on
>demand? RAM is lots of cheaper than flash-ram at the moment.

Yes, It is very adviseable not to use the flash as regular
disk: the number of writes to such a disk is limited.
So the easiest way is:
Boot from flash
copy/expand from  flash the zipped image of "/" to a cheap DRAM-ramdisk
continue booting from there.
The flash is only "mounted" "read only", so it can't become "dirty".
Because the RAMdisk as always made "fresh" no fschk ir required.

This way could be gone too with a real harddisk of cause.
(fchk is no problem of the discs hardware)


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