How to list disks and mirror the boot disk
ecp62 at charter.net
Tue Nov 16 18:05:05 UTC 2004
Enn Pee wrote:
> I have few additional internal hard disks and wanted
> to mirror the boot disk to one of the internal disks
> as a backup.
> How to list all the available internal disks in the
> system? I tried fdisk -l but it did not listed any
> disks whereas the same command works on redhat. How do
> I manually mirror the boot disk to one of the
> available internal disks as a backup (using dd or some
> other utility ??) . My guess is that if I have a
> mirrored disk and if boot disk fails, then I can
> physically swap the boot disk with the mirrored disk
> and hopefully i can boot without losing data.
> Thanks in advance for any suggestions.
fdisk -l works fine on my ubuntu system.
You can mirror your system by mounting an extra partition
at, for example, /mnt/mirror then do this:
nice rsync -a -x --progress / /mnt/mirror
rsync has a very extensive man page. Make sure you
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