From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Fedyk <mfedyk@matchmail.com>
Subject: Re: please help, I've screwed up my RAID 1 install
Date: Sat, 3 Jan 2004 23:09:27 -0800
Sender: linux-raid-owner@vger.kernel.org
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To: Matthew Simpson <matthew@symatec-computer.com>
Cc: linux-raid@vger.kernel.org
List-Id: linux-raid.ids

On Sat, Jan 03, 2004 at 08:39:15PM -0600, Matthew Simpson wrote:
> The problem is, if I reboot the machine, then I cannot mount /dev/md0 again
> until I do a mkraid /dev/md0 --really-force and rewrite the superblock.  I
> do not lose any data, but I know this "can't be good" [tm].
> 
> What can I do to fix this?  I've tried setting the partition types for
> hda1/hdc1 to the correct "fd" type, but fdisk complains "Partition 1 does
> not exist yet".
> 
> Also, it is possible to boot from a RAID device, is it not?  I assume it
> wasn't working before because of the superblock problem.
> 

Try changing your partitions with cfdisk, and learn and use mdadm for your
raid arrays.  You'll thank me. :-D