Converting single non-raid to raid1

[me-5yx05kfkO/aqeI1yJSURBw at public.gmane.org (Matthew Gillen)]

On 02/17/2010 01:18 PM, Jerry Feldman wrote:
> Excellent points that I did not consider before. After reading this post
> and Dan's post regarding the boot partition, I think the advantage of
> using RAD1 on the boot partition is that both partitions would
> automatically be in sync, but if the drive with the updated boot block
> fails, one could also boot from a DVD and rebuild the MBR.

Why not just run grub-install on both devices?  Then you don't even need a
bootable dvd...

Matt