create raid1 on a installed system

[Brian McKee]

On Sun, Jul 19, 2009 at 6:29 PM, Asif Iqbal<vadud3 at gmail.com> wrote:
> I have two disks on my x2100, sda and sdb, both are 80GB. I installed
> jaunty server on sdb1.
>
> How do I now create software raid1 short of reinstalling the OS on
> software raid disk md0  ?

Create the raid on sda1 with the other disk 'missing'
Copy sdb1 to md0, remove sdb altogether and reboot to md0, and test to
make sure you got it right, then reformat sdb and add it to the
degraded array.

This might be helpful
http://www.debian-administration.org/articles/238

Brian

-- 
All you need to know about Ubuntu 9.04 Jaunty -> gconftool -s --type
bool /apps/update-notifier/auto_launch false