attach Data source failed.

LOG:

--------------IN ATTACH------------
FT_FORCE_UMOUNT =
DATA SOURCE = md
Checking the status of fuser for command hang
Normal code flow as fuser is not hanging
Normal code part where fuser is used to get active process on the mountpoint
## Mounting mpoint=/share ... (Attempt #3)
mount: wrong fs type, bad option, bad superblock on /dev/hdc9,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

Error < /bin/mount -F -t ext3 -o -t /dev/hdc9 /share > failed with staus = 32

1.cmd "/bin/mount -F -t ext3 -o -t /dev/hdc9 /share" is failed.

2.but cmd "/bin/mount -F -t ext3 /dev/hdc9 /share" is success

parameter "-o -t" is what?

2 is success, why 1 is failed??