On Sat, 29 Jul 2000, Charles Curley wrote:
> On Sat, Jul 29, 2000 at 11:04:03AM -0700, Dave Lers wrote:
> > A simple
> >
> > dd if=/dev/hda of=/dev/hdc
> >
> > works great, super backup method, all you need to do is swap drives
> > (plug hdc in where hda was). You want both drives as master, 1 per
> > channel. The drive you are writing to needs to be the same size or
> > bigger. Since my drives are almost identical I haven't played with,
> > don't know how to, utilize extra space if copying to a noticeably
> > larger drive.
>
> This assumes that the two drives have identical sectors per track and
> tracks per cylinder. Otherwise the drive geometry won't match the values
> in the MBR's partition table. If the new drive has larger values, you are
> OK, but you waste a lot of space. If the new drive has samller values, you
> are hosed.
I don't know anything about drive geometry, are you saying there is
more to it than making sure the copied to HD is >= in size? How much
wasted space are we talking about? Are you talking about the
leftover at end of the disk?, which I assumed could be formated as
another partition.
