Re: disk cloning with dd
On 5/6/05, Jochen Schulz <usenet-nospam@well-adjusted.de> wrote:
> * Alphonse Ogulla:
> >
> > Can I simply use dd to clone my failing hard disk (hda) onto another
> > (hdb) of the same size as follows:
> >
> > # dd if=/dev/hda of=/dev/hdb bs=512
>
> If it's exactly the same size, then yes. Keep in mind that you don't
> copy files but the whole hard disk - including boot sectors and the
> partition table. And, of course, if some of your data is already
> corrupt, you are going to have a corrupt copy as well.
>
> BTW: if I were you, I'd take the time to plug one of the drives on the
> secondary ide controller (if your machine has one). Copying between two
> IDE devices on the same controller is awfully slow.
Don't you mean the same IDE channel? I don't understand why anyone
would have two IDE controllers.
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