super block bad ,who can help me !!!!(要求斑竹置顶)

田伯光

sun-domain3#umount /disk3
sun-domain3#fsck -y /disk3

** /dev/vx/rdsk/ricedg/vol03



CANNOT READ: BLK 2001220000

CONTINUE?  yes



THE FOLLOWING SECTORS COULD NOT BE READ: 2001220000 2001220001 2001220002 2001220003



sun-domain3# newfs -Nv /dev/vx/dsk/ricedg/vol03

mkfs -F ufs -o N /dev/vx/rdsk/ricedg/vol03 2001305600 64 32 8192 1024 251 1 120 8192 t 0 -1 8 32

read error on sector 2001305599: No such device or address



sun-domain3#fsck -F ufs -o b=32 /dev/vx/rdsk/ricedg/vol03

Alternate super block location: 32.

** /dev/vx/rdsk/ricedg/vol03



CANNOT READ: BLK 2001220000

CONTINUE? y



THE FOLLOWING SECTORS COULD NOT BE READ: 2001220000 2001220001 2001220002 2001220003

田伯光

sun-domain3#fsck -y /dev/vx/dsk/ricedg/vol03

** /dev/vx/dsk/ricedg/vol03



CANNOT READ: BLK 2001220000

CONTINUE?  yes



THE FOLLOWING SECTORS COULD NOT BE READ:

BAD SUPER BLOCK: BAD VALUES IN SUPER BLOCK

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).

format 命令来修复是否太危险了,具体应该怎么拿来修改呢?