Re: flash filesystem question
> On 2006-11-10 13:31 -0800, Junior wrote:
>> Hi All,
>> If I have two type of flash filesystem, cramfs and jffs2, on a single
>> chip, is there a way to "concat" them (using dd command) so as to
>> provide a single image so I can write to the chip?
>> I'm sure there is but I don't know how.
>
> You can just copy the data out of the whole chip with dd
> if=/dev/mtdblock/n
> of=imagefile count=<size of chip/512>
>
I don't see how this would work on multiple blocks. I.e I have block2 as cramfs (root), and block3 jffs2 (W/R data).
Can the input file be multiple blocks (2 & 3)?
> If you have image files of the the two filesystems thewn you can
> concatenate them just with cat (cat image1 image2 > combinedimage),
> but this might not lead to the right spacing on the chip (it assumes
> no gap between the two images which probably isn't the case)
>
> Wookey
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