[CentOS] Add RAID after install in one disk

Hi,

I had this hard time installing a server with RAID 1 by software.
I always got an error from GRUB and no booting.

So, i've installed CentOS 4.4 normally in only one disk.

Question is: is it possible now to make a RAID 1 by software with the other
disk ?

If so, how ?

I'm completely lost here.

Any help would be appreciated.

Warm Regards,
Mário Gamito
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