archlinux NTFS盘 挂载不上，求救？

[ringfin]

archlinux NTFS盘 挂载不上.我的电脑是单系统archlinux，已经把原来的windows格了，结果原来的E盘，也就是sda4挂不上去了，用ntfs-3g提示是unvalid NTFS, 郁闷了~~~~~帮帮忙！！！
有一点很奇怪，用fdisk -l 显示sda4为NTFS，而blkid显示sda4为ext4
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[jing@DELL ~]$ sudo fdisk -l
Password:

Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xad20e871

Device Boot Start End Blocks Id System
/dev/sda1 1 13 102400 de Dell Utility
Partition 1 does not end on cylinder boundary.
/dev/sda2 13 1288 10240000 7 HPFS/NTFS
/dev/sda3 1288 8937 61440000 5 Extended
/dev/sda4 8937 36364 220310406 7 HPFS/NTFS
/dev/sda5 1288 1531 1951866 83 Linux
/dev/sda6 1531 1543 96358+ 83 Linux
/dev/sda7 1543 3731 17575078+ 83 Linux
/dev/sda8 3731 8937 41816571 83 Linux
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[jing@DELL ~]$ sudo blkid
/dev/sda2: UUID="a51538e0-a115-4d06-827e-c3276403e2c8" TYPE="ext4"
/dev/sda4: UUID="4b8d3780-c999-4e36-ac4a-1f4e07e695e5" TYPE="ext4"
/dev/sda5: UUID="47af0fad-3536-453f-bee5-43e352bd2d28" TYPE="swap"
/dev/sda6: UUID="60e68f9a-ab2e-48dd-bfb5-bb3b83a7dbeb" TYPE="ext3"
/dev/sda7: UUID="c7999879-de6b-4fa4-9e1f-a1f63537a607" TYPE="ext3"
/dev/sda8: UUID="6ffdc1cc-dbc0-40e3-a0cb-1a4522479626" TYPE="ext3"
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[jing@DELL ~]$ sudo cat /etc/fstab
#
# /etc/fstab: static file system information
#
# <file system> <dir> <type> <options> <dump> <pass>
none /dev/pts devpts defaults 0 0
none /dev/shm tmpfs defaults 0 0

#/dev/cdrom /media/cd auto ro,user,noauto,unhide 0 0
#/dev/dvd /media/dvd auto ro,user,noauto,unhide 0 0
#/dev/fd0 /media/fl auto user,noauto 0 0

/dev/sda5 swap swap defaults 0 0
/dev/sda6 /boot ext3 defaults 0 1
/dev/sda7 / ext3 defaults 0 1
/dev/sda8 /home ext3 defaults 0 1
/dev/sda4 　/mnt/file ntfs-3g silent,umask=0,locale=en_US.utf8 0 0
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[jing@DELL ~]$ sudo ntfs-3g /dev/sda4 /mnt/file
NTFS signature is missing.
Failed to mount '/dev/sda4': Invalid argument
The device '/dev/sda4' doesn't seem to have a valid NTFS.
Maybe the wrong device is used? Or the whole disk instead of a
partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?



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