*BSD News Article 69467


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From: james@jraynard.demon.co.uk (James Raynard)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Boot and Root file system disks
Date: 26 May 1996 20:20:21 -0000
Organization: A FreeBSD Box
Lines: 33
Message-ID: <4oaee5$hb@jraynard.demon.co.uk>
References: <4o4oq6$33b@ns2.brandcomms.com>
NNTP-Posting-Host: localhost.demon.co.uk
X-NNTP-Posting-Host: jraynard.demon.co.uk

In article <4o4oq6$33b@ns2.brandcomms.com>,
Craig Stratton  <craigs@brandcomms.com> wrote:
>
>How do i create a boot disk and root filesystem disk for my system 
>now that i have it configured how i want it ?

First of all, the 'root' disk is only required when installing
FreeBSD. It's possible to make a boot disk, but not as straightforward
as you might expect.

>Or is FreeBSD more flexible. ie if i boot from a standard boot disk,
>can i just write everything back from tape to bring the system 
>back to how it was pre-crash. (assuming a system/disk crash had
>occured)

You can boot off the installation disk and tell it to use the kernel
on the hard disk at the boot prompt, eg

boot: wd(0,a)/kernel

to boot off the first IDE/EIDE hard disk.

The "fixit floppy" is provided for emergency recovery. To create one,
do something like

dd if=/cdrom/floppies/fixit.flp of=/dev/fd0a bs=16384

To use it, select the "use fixit floppy" option in the installation.

-- 
James Raynard, Edinburgh, Scotland
jraynard@dial.pipex.com
james@jraynard.demon.co.uk