文件系统超级块损坏，请教高手符合修复
BGP550B/ha>#df -g
Filesystem GB blocks Free %Used Iused %Iused Mounted on
/dev/hd4 0.50 0.28 45% 5595 8% /
/dev/hd2 20.00 13.03 35% 88389 3% /usr
/dev/hd9var 2.00 1.81 10% 4968 2% /var
/dev/hd3 6.00 5.94 2% 359 1% /tmp
/dev/fwdump 1.00 1.00 1% 9 1% /var/adm/ras/platform
/dev/hd1 5.00 4.55 9% 318 1% /home
/proc - - - - - /proc
/dev/hd10opt 2.00 0.85 58% 7996 4% /opt
/dev/inst_lv 50.00 37.03 26% 13363 1% /mksysb
/dev/tivoli_lv 3.00 1.95 35% 4934 2% /opt/IBM_Tivoli
BGP550B/ha>#lsvg -l appvg
appvg:
LV NAME TYPE LPs PPs PVs LV STATE MOUNT POINT
wasdir_lv jfs2 12 12 1 closed/syncd /washome/appdir
uploadfile_lv jfs2 2788 2788 4 closed/syncd /washome/uploadfile
loglv00 jfs2log 1 1 1 closed/syncd N/A
BGP550B/ha>#mount /washome/uploadfile
Replaying log for /dev/uploadfile_lv.
mount: 0506-324 Cannot mount /dev/uploadfile_lv on /washome/uploadfile: The media is not formatted or the format is not correct.
0506-342 The superblock on /dev/uploadfile_lv is dirty. Run a full fsck to fix.
BGP550B/ha>#fsck -y /washome/uploadfile
The current volume is: /dev/uploadfile_lv
Primary superblock is valid.
J2_LOGREDO:log redo processing for /dev/uploadfile_lv
Primary superblock is valid.
fsck: 0507-149 Duplicate block references have been detected in Metadata.
fsck cannot continue.
Errors detected in the file system inode allocation map.
fsck: 0507-278 Cannot continue.
File system is dirty.
执行fsck的-y -vvy -p参数都没有修复，后来执行dd命令
dd count=1 bs=4k skip=15 seek=8 if=/dev/testlv of=/dev/testlv
也没有修复,请问各位高手还有什么好办法没啊？
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