Re: cloning bootable hard drive

["Jarod Wilson" <user=74@nabble.blu.org>]

On Wed, 2008-02-27 at 09:46 -0500, Derek Atkins wrote: 
> Jarod Wilson <[hidden email]> writes: 
> 
> >> How are you copying the drive?  I would do: 
> >> 
> >>  dd if=/dev/<olddrive> of=/dev/<newdrive> bs=1m 
> > 
> > Assuming <newdrive> is at least as big as <olddrive>, that should work 
> > too. Some potential fixups needed to make proper use of additional space 
> > on a larger drive though. I went from a 120G drive to a 250G drive in my 
> > laptop, and wanted to expand each of my partitions, so my previously 
> > mentioned rsync method worked much better for me. 
> 
> True, the dd assumes the new drive is >= the old drive, 
> which is usually the case nowadays.  Yes, you need to do 
> some special work to make more use of the space.  However 
> if you wanted to redo ALL the paritions then you will lose 
> your bootability because the MBR wont point to the right 
> place to find the boot loader.  So you'd need to re-install 
> grub.