The 3ware Escalade is a hardware RAID card. You create the array using
the 3ware's firmware. The 3ware card then presents the array to Linux
(or any OS) as a single SCSI, PATA, or SATA drive. You won't see the
individual drives in the OS without software provided by the RAID
card's vendor.

-- 
Andrew S. Zbikowski | http://andy.zibnet.us
IT Outhouse Blog Thing | http://www.itouthouse.com