can u plz helpme

i have some problem in veritas,i have 4 hard disks one is cpu remaining three is diskarray.

whenever iam enter devfsadm command is showing error

CAN'T INSTRUMENT RETURNOF FD_INTRACT 7BF58620:NON-CANANICAL RETURN INSRUCTION



so iam enter format command is not showing four disks is showing only one disks



can u plz helme.......