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Old 04-17-2012, 10:35 AM   #1
Registered: Apr 2011
Location: Philadelphia
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External Hard Disk Drive, Possible Corrupted Partition?

Hello All,

I have a question about an external 2.5" Western Digital Scorpio Black (320 GB) SATA HDD.

First just want to point out that this is just your normal 2.5" HDD that you would normally buy as a replacement HDD for a laptop, or to place in a separate USB enclosure, etc...
Originally when I setup this HDD I had basically 2 partitions on it. The 1st partition is a 40 GB HPFS/NTFS/exFAT and the 2nd partition was an ext3 Partition for my Linux machine with the remainder of the HDD space, around about 280 GB.

I hadn't used this Drive in a while and recently plugged it in the other day and was NOT able to mount either partition to my Linux machine, OpenSuSE 11.4 (Linux localhost #1 SMP 2011-12-19 23:39:38 +0100 i686 i686 i386 GNU/Linux).

If I run "fdisk -l" I can see:
Disk /dev/sdc: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 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: 0xdc341073

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1   *          63   102398309    51199123+   7  HPFS/NTFS/exFAT
/dev/sdc2       102400000   625141759   261370880   83  Linux
And then trying to mount both partitions I get the following:
mmartin:/mnt # mount /dev/sdc2 /mnt/WD320Linux
mount: you must specify the filesystem type

mmartin:/mnt # mount -t ext3 /dev/sdc2 /mnt/WD320Linux
mount: wrong fs type, bad option, bad superblock on /dev/sdc2,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

mmartin:/mnt # mount /dev/sdc1 /mnt/WD320NTFS
ntfs_mst_post_read_fixup: magic: 0x00180900  size: 1024  usa_ofs: 0  usa_count: 8: Invalid argument
Record 6 has no FILE magic (0x180900)
Failed to open inode FILE_Bitmap: Input/output error
Failed to mount '/dev/sdc1': Input/output error
NTFS is either inconsistent, or there is a hardware fault, or it's a
SoftRAID/FakeRAID hardware. In the first case run chkdsk /f on Windows
then reboot into Windows twice. The usage of the /f parameter is very
important! If the device is a SoftRAID/FakeRAID then first activate
it and mount a different device under the /dev/mapper/ directory, (e.g.
/dev/mapper/nvidia_eahaabcc1). Please see the 'dmraid' documentation
for more details.
For the mounting of the NTFS Volume I get the same error when using mount and ntfs-3g commands.

The WEIRD part is, if I power up my OpenSuSE 11.2 Virtual Machine (using VMPlayer on my OpenSuSE 11.4 machine, which I was using for testing stuff a while back) I can successfully mount the NTFS partition, but that is the only partition that shows up in fdisk.

These commands were run from the Virtual Machine:
localhost:/ # fdisk -l
..... left out internal HDD stuff .....

Disk /dev/sdb: 42.9 GB, 42949672960 bytes
255 heads, 56 sectors/track, 5874 cylinders
Units = cylinders of 14280 * 512 = 7311360 bytes
Disk identifier: 0xaa10aa10

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1        5873    41933192    7  HPFS/NTFS

localhost:/mnt # mount /dev/sdb1 /mnt/WD320
localhost:/mnt # echo $?
As you can see I can mount the NTFS partition without any problems at all, and I'm able to browse the files without any problems what so ever. I guess I'm just at a loss why it only shows one partition in the VM and that I'm able to mount it..? Also, in the VM if I go to "Partitioner" in YaST, it only shows the HDD having one partition with only 9 MB of Unpartitioned Space?

Could anyone suggest what I might do about this. Whether I should just backup what files are left and just wipe the drive clean and start over fresh or what not...?

Any suggestions would be great!

Thanks in Advance,
Old 04-17-2012, 01:04 PM   #2
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Registered: Jul 2006
Location: Kolkata, India
Distribution: Debian 64-bit GNU/Linux, Kubuntu64, Fedora QA, Slackware,
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post the report

parted magic live cd
check partitions via gparted

Old 04-17-2012, 02:32 PM   #3
Registered: Apr 2011
Location: Philadelphia
Posts: 160

Original Poster
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Hey amani, thanks for the reply.

I currently have the HDD plugged into another laptop and am running some tests with Gparted. I have a feeling though that there is a bad block on the Linux partition. I was able to save the files on the NTFS partition so it's not a complete loss. I'm thinking I may just nuke it with dban and start fresh.

Old 04-17-2012, 02:34 PM   #4
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Bad blocks indicate a drive may be failing. Run a smartctl long test or the manufacturer's utility (on UBCD in my sig). Post the results of the test and the SMART attributes after the test.


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