Re: Bare Metal Restore?

On Wed, 2004-08-25 at 14:26, Jerry Norton wrote:
> Hey all, I did a search on the list but didn't see anything that answered my
> question.  I was wondering if anyone has had any experience doing a bare metal
> restore on either Debian or Redhat?  I have read through the Backup and 
> Recovery
> HowTO and am trying to get a test scenario setup but I was looking for any 
> insight
> before I start. 

I did it long ago with RH and don't have exact details but something
like this should work:

Boot the target machine with a Knoppix CD.  From the Knoppix menu
(replaced by a fat penguin in the current release...) open a root
shell or 2. Fdisk the partitions to approximately match the old machine.
Make file systems (mke2fs -j for ext3), mkswap on the swap partition.
Make a temporary directory and mount the root partition there, make
directories for any other partitions and do the corresponding mounts.
Look up the right command line for Backuppc to send the tar archive
you want to stdout.  Cd to the directory where you mounted the new
root partition.  Ssh the command to your backuppc server (in quotes)
piping it to tar -pvx - (outside of the previous quotes so it runs
locally).  Now there are 2 more problems with RH/fedora.  /etc/fstab
by default will refer to labels instead of partitions.  You can either
add the partition labels on the new disk or edit fstab while it is
still mounted.  Then you need to make the disk bootable.  The easy
way to do that with RH/fedora is to boot the install disk and at
the boot prompt type 'linux rescue'.  As it comes up (assuming fstab
matches your partitions at this point) it will detect the installation
and mount it under /mnt/sysinstall for you.  Chroot there, and
type '/sbin/lilo' if you were using lilo to boot, or 'grub-install'
if you use grub.  Then 'exit' twice and it should do a graceful
reboot - remove the cd and it should come up working.

---
  Les Mikesell
   les@xxxxxxxxxxxxxxxx





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