What's an easy way to replace a drive?

[Anthony Atkielski]

Nicholas Basila writes:

> You can back up to tape and restore in single user mode. If /var and
> /tmp aren't too big, you could boot into single user mode,
> mount /usr
> mount -r /var    (just to be safe)
> mount -r /tmp

> and create tar balls or even use dump to file (use the device in /dev as
> source, of course)  with /var and /tmp unmounted.

> Then, reboot into single user mode with the new disk, set up the disk 
> the way you want it with fdisk and bsdlabel, and then untar or restore
> from dump.

Can I boot from the FreeBSD boot CD and avoid mounting anything on any
of the hard drives at all? (That's not a problem in this case, since the
root is on a different drive, but if I ever had to replace the drive
containing the root I'm just wondering how to go about it.)

-- 
Anthony