Hard disk backup using dd

[Net Llama!]

On Mon, 10 May 2004, M.W. Chang wrote:
> > Because of some communication and cultural problems, I need to know how
> > to make a full disk backup. I hear that you can use "dd" to make a CD
> > ISO image which you can transfer to another hard disk (even if it is a
>
> I think the ISO format applies to CD only, not a harddisk.
> The structure of a harddisk should be different from that of a CD.

THat is irrelevant.  Only the drivers know about or care about the
hardware.  We're talking about data here which is irrelevant.  An ISO
image is nothing but a filesystem image in a file.  Whether you burn it to
CD, or mount it as loop back, its still the same data as far as the OS is
concerned.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lonni J Friedman				netllama at linux-sxs.org
Linux Step-by-step & TyGeMo		     http://netllama.ipfox.com