| xeon123 |
08-12-2008 04:04 PM |
mount: /dev/sda: can't read superblock
Hi,
I've a external USB HD, and I plug to my computer. I get the info that:
Quote:
Aug 12 21:42:55 tuvalu kernel: fat: exports duplicate symbol fat_add_entries (owned by kernel)
Aug 12 21:42:59 tuvalu kernel: FAT: unable to read boot sector
|
When I try to mount it, I get the info:
Quote:
root@tuvalu:~# mount -t vfat /dev/sda /media/hd0/
mount: /dev/sda: can't read superblock
|
I've tried:
Quote:
root@tuvalu:~# e2fsck -b 32768 /dev/sda
e2fsck 1.39 (29-May-2006)
e2fsck: Invalid argument while trying to open /dev/sda
The superblock could not be read or does not describe a correct ext2
filesystem. If the device is valid and it really contains an ext2
filesystem (and not swap or ufs or something else), then the superblock
is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>
root@tuvalu:~# e2fsck -b 16384 /dev/sda
e2fsck 1.39 (29-May-2006)
e2fsck: Invalid argument while trying to open /dev/sda
The superblock could not be read or does not describe a correct ext2
filesystem. If the device is valid and it really contains an ext2
filesystem (and not swap or ufs or something else), then the superblock
is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>
root@tuvalu:~# e2fsck -b 8193 /dev/sda
e2fsck 1.39 (29-May-2006)
e2fsck: Invalid argument while trying to open /dev/sda
The superblock could not be read or does not describe a correct ext2
filesystem. If the device is valid and it really contains an ext2
filesystem (and not swap or ufs or something else), then the superblock
is corrupt, and you might try running e2fsck with an alternate superblock:
e2fsck -b 8193 <device>
|
How can I access the disk?
If it isn't possible to access to the disk because of the superblock, is it possible to make a backup or an image of the external HD to my PC HD, to format the external disk? |
