請問solaris5.9 出現第二顆硬碟mount 不起來--出現以下訊息

[Iceblood_kaka]

請問該如何解決--
FILE SYSTEM STATE IN SUPERBLOCK IS WRONG; FIX?  yes

76399 files, 3976696 used, 2483997 free (41757 frags, 305280 blocks, 0.6% fragme
ntation)
** /dev/rdsk/c0t2d0s7

CANNOT READ: BLK 16
CONTINUE?  yes

THE FOLLOWING SECTORS COULD NOT BE READ:

CANNOT READ: BLK 16
CONTINUE?  yes

THE FOLLOWING SECTORS COULD NOT BE READ:
BAD SUPER BLOCK: MAGIC NUMBER WRONG
USE AN ALTERNATE SUPER-BLOCK TO SUPPLY NEEDED INFORMATION;
eg. fsck [-F ufs] -o b=# [special ...]
where # is the alternate super block. SEE fsck_ufs(1M).