How to mirror sata drives in karmic 9.10

[medphys]

Hi all,

I would like to mirror drives in Karmic 9.10. Where would I go to find the info. Also what is the best webcam for Skype and Karmic 9.10.

Thanks in advance.

MSI P55-GD80 1156 RT
INTEL |CORE I7 860 2.8 G
SEAGATE 7K ST3100052
4 GIG CORSAIR CMX4GX3M2
MSI N94GT MD512 9400 GT

[sandyd]

use raid1 w/ mdadm