[Gllug] copying filesystems using 'dd'

[Xander D Harkness]

On Thu, 2001-12-13 at 17:24, t.clarke wrote:
> 
> Robin Smith wrote (paraphrased):
> 'raw is raw - so dd should work on any filesystem' ....
> 
> The only reason I asked was that I just had a horrible 'what if' thought:-
Funnily enough it did not work.  The disk is copy protected with what
looks like deliberate errors on the CD.  Hence even when I try to use dd
it reports errors at regular intervals.

Cheers
Xander
> 
> SCO filesystems clearly use internal pointers to disc blocks relative to the
> file-system-start, so copying the filesystem to another physical location
> on the same/another disc does not break the pointer structure,  but if for
> some reason Linux filesystems should do something different, then copying
> to another physical location might not work ???
> 
> I just wondered if anyone had done this using Linux and could verfiy that dd'ing
> does work, without me having to test it !
> 
> Tim
> 
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