[buug] dd to clone

[Bruce Ferrell]

use tar.  it'll give you an accurate copy independant of the underlying 
hardware.  something like this:

tar cvf - <hda root> | (cd <hdb root> ; tar xvf -)



John de la Garza wrote:
> I have a linux box that is up and running in a production environment.
> I want to reproduce the box for a backup server.  If I want to use dd
> to copy the harddrive could I simply do something like:
> 
> dd if=/dev/hda bs=1024k  of=/dev/hdb
> 
> or must I know more about the hard drives and do some calculations for
> how much data to copy?
> 
> hdb is greater than or equal to the size of hda in this case
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