One of the drives has failed and with RAID 0 (stripping) you have no data safeguard. Even if you could mount the good drive you would still only be able to recover segments of the stripped data which would be usless. Always install an IDE or USB external HD for backup for RAID 0. Your data is toast!!!!!! Or run 2 Drives RAID 0 and hte other Raid 5 for backup.
Noli Nothis Permittere Te Terere!!
EVGA 680i, Dual EVGA 8800GT'S (650/950), 4 gigs OCZ DDR2 1066, Intel Q9450 at 3.8 Ghz, Koolance Water Cooled, Dual Plextor16x DL DVD+/-RW. Dual WD 250gb 16mb Cache Sata 3.0. 3DMark06 score = 19,168.