Ubuntu
util-linux package

Unable to mount location

Asked by Jared K. Logg

Hi, I'm currently running the following:
Ubuntu:
 Release 11.10 (oneiric)
 Kernal Linux 3.0.0-20-generic
 Gnome 3.2.1

And my 640gb file system (aka external harddrive) is not automounting.....I'm getting this error everytime I click on it through "Computer"

Error mounting: mount exited with exit code 1: helper failed with:
mount: wrong fs type, bad option, bad superblock on /dev/sdc1,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail or so

What the heck do I do?

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Jared K. Logg (jaredlogg22) said : 		#1

I looked performed that "dmesg | tail" command and recieved this from the terminal:

jared-logg@******:~$ dmesg | tail
[ 229.368728] sd 9:0:0:0: Attached scsi generic sg4 type 0
[ 229.374764] sd 9:0:0:0: [sdd] Attached SCSI removable disk
[ 330.799043] wlan0: authenticate with 00:18:f8:c4:c3:43 (try 1)
[ 330.801512] wlan0: authenticated
[ 330.801873] wlan0: associate with 00:18:f8:c4:c3:43 (try 1)
[ 330.805587] wlan0: RX AssocResp from 00:18:f8:c4:c3:43 (capab=0x411 status=0 aid=1)
[ 330.805592] wlan0: associated
[ 330.806355] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 342.304042] wlan0: no IPv6 routers present
[ 1987.108842] EXT4-fs (sdc1): VFS: Can't find ext4 filesystem

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Jared K. Logg (jaredlogg22) said : 		#2

I performed*

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Wyatt Smith (wyatt-smith) said : 		#3

Please tell the output of
sudo fdisk -lu ; blkid

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Jared K. Logg (jaredlogg22) said : 		#4

Here is the out of your requested command.

Disk /dev/sda: 640.1 GB, 640135028736 bytes
255 heads, 63 sectors/track, 77825 cylinders, total 1250263728 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00029b51

   Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1244241919 622119936 83 Linux
/dev/sda2 1244243966 1250263039 3009537 5 Extended
/dev/sda5 1244243968 1250263039 3009536 82 Linux swap / Solaris

Disk /dev/sdc: 640.1 GB, 640135028224 bytes
255 heads, 63 sectors/track, 77825 cylinders, total 1250263727 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000d849a

   Device Boot Start End Blocks Id System
/dev/sdc1 63 1250263039 625131488+ 83 Linux
Command 'blkid' is available in '/sbin/blkid'
The command could not be located because '/sbin' is not included in the PATH environment variable.
This is most likely caused by the lack of administrative privileges associated with your user account.
blkid: command not found

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Wyatt Smith (wyatt-smith) said : 		#5

From fdisk command it sees the external drive as /dev/sdc with one linux partition /dev/sdc1. From dmseg | tail is sound like it is complaining about not finding an ext4 filesystem,

Please try the blkid command with
sudo /sbin/blkid

I am hoping this command will recognize the filesystem and allow us to try and manually mount the partition.

Can you help with this problem?

Provide an answer of your own, or ask Jared K. Logg for more information if necessary.

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