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Re: Tar oddity...



On Mon, 2009-12-21 at 11:53 +1100, Chris Smart wrote:
> 2009/12/21 DB <Freddog_de yahoo co uk>
>         Hi Chris,
>         
>         The original command was
>         
>         tar cvzf F11_Home_Dave_20091217.tar.gz /home/Dave 
>         
>         and the "problem" is that tar tvh F11*gz lists all the files
>         on the F11 desktop, but when the external HDD is transferred
>         to the F12 laptop, tar tvh  (and ark) give the errors
>         quoted...
>         
> 
> 
> Make sure that you are "safely removing" your drive before you unplug
> it.
> 
> Copy the file, run the "sync" command and then unmount. Make sure that
> it is definitely unmounted before you unplug it. It could be that you
> are removing it before it has *actually* synchronises the data.
> 
> I agree with the checksum suggestions below and I'm sure they will
> show a difference. If so, try the above. Copy, run sync, run checksum.

AFAIK in modern Linux systems running "sync" doesn't actually guarantee
anything beyond what "umount" is already doing.

poc



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