On 7/12/2011 11:48 AM, Robert Nesius cried from the depths of the abyss:
>
> I noticed your second "mdadm" command did not have a --metadata flag -
> just wanted to confirm that was intentional versus an accidental
> omission.  Thanks for detailing that process - I'm going to keep this
> tucked away for future reference.
>
> /mdadm --create /dev/md0 --level 1 --raid-devices 2 \/
> /  /dev/sda1 /dev/sdb1 *--metadata=0.90*/
> //
> /Do the same for your other partition/
> //
> /mdadm --create /dev/md1 --level 1 --raid-devices 2 \/
> /  /dev/sda2 /dev/sdb2/
>
> -Rob

It was a mistake on my part.  You should use the --metadata flag for 
both (all) partitions.

You are very welcome!