Re: Bare Metal Restore?

> I've never been able to chroot to a RH/fedora restore
> when running from a knoppix CD.

Interesting... however I haven't tried it from a knoppix CD... I have an 
emergency disk I've created myself that performs the task well on both Redhat 
and Debian machines (Haven't tried fedora)

Come to think of it, I'm not sure why you'd be having the chroot problems. I 
just run:

chroot /targetdir /bin/bash

and I'm in as root... You might have to mount /proc once you're in to get some 
things to work as expected.

>
> > * edit /etc/fstab if necessary
> > * /sbin/lilo
>
> Both lilo and grub have ways to specify which disk
> to update and where to find the config file if you
> haven't chroot'ed to the right place.  However it
> has always seemed faster to reboot with the matching
> install CD so chroot will work than to look up the
> right syntax.  Current fedora disks offer to bring
> up the network in rescue mode so you could probably
> do everything from there, but sometimes having multiple
> windows is handy while you work in case you need to
> check a similar machine's disk layout or read some
> documentation and the knoppix disk will start X for you.

If the disk layout is the same then lilo or grub will perform the task 
properly. If not, just edit their config files and way you go. Again, I 
haven't used fedora but the chroot method should work with all distributions. 
In my opinion using X is an overkill for rescue operations, if you have 
multiple tty's then you can do more than one thing at a time... also the 
rescue cd I use is only 5Mb, knoppix is a full cd. I don't need all the 
applications in knoppix to do a rescue.

Once you do a chroot all the details for the machine is at your fingertips, so 
starting network etc once you've chroot'd is as simple as 
running /etc/init.d/network start or whatever your init.d script is. If the 
kernel running is similar or the same as the machine you're restoring you 
should also be able to start services, and even X in the chroot'd 
environment.

Regards,
Josh.


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