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Old 07-09-2006, 07:04 PM   #1
cbn302
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Registered: Mar 2004
Posts: 3

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Exclamation My external backup disk is corrupted by window registry how do I recover the data?


4:49 PM 7/9/2006
To preface I am a winXP (dissatified) user who is also a medler with Linux.
I've searched the lists of help pages and now it's time for me to scream HELP. Yesterday, I turned on my external HD which is a Western Digital 160G in an ADS Tech case. I had it partioned into at least 3 ways. The thing had a way of cycling on and off during its first few minutes of power up while MSXP Autoplay would ask what did I want to do with this kind of multi-media device. Normally I click escape open a explorer window and let well enough alone; this time I clicked on open in folder, do always (for both drives that had stuff on them). I then proceded to copy over the new pixs from the week past. I left the room. When I came back there was a copy message error that I didn't read and clicked okay. I tried to access the drive. I couldn't. I reboted my laptop. Nothing. I cycled on and off the HD. Nothing. I examined the window control pannel info nothing. I could see the drive but not the data nor gain access to it. Today I've removed the HD and placed it into a tower. This is the info I am pulling off of a Live Linux Distro.

I do not want to loose the data on this disk! I have nearly 40 Gigs of pictures I've taken in the last 2 years. Many of these images I have taken for friends who will occassionally ask for additional copies. I do not have DVDs of very many of them.

+=+=+
I began with---
:sudo mount -t ntfs /dev/hda /media/pixs

mount: wrong fs type, bad option, bad superblock on /dev/hda,
missing codepage or other error
In some cases useful info is found in syslog - try
dmesg | tail or so

+=+=+
:sudo dmesg | tail
NTFS driver 2.1.22 [Flags: R/O MODULE].
NTFS-fs error (device hda): read_ntfs_boot_sector_(): Primary boot sector is invalid.
NTFS-fs error (device hda): read_ntfs_boot_sector_(): Mount option errors=recover not used. Aborting without trying to recover.
NTFS-fs error (device hda): ntfs_fill_super(): Not an NTFS volume.
NTFS-fs error (device hda): read_ntfs_boot_sector_(): Primary boot sector is invalid.
NTFS-fs error (device hda): read_ntfs_boot_sector_(): Mount option errors=recover not used. Aborting without trying to recover.
NTFS-fs error (device hda): ntfs_fill_super(): Not an NTFS volume.
FAT: utf8 is not recommended IO charset for FAT filesystems. filesystem will be case sensitive!
FAT: invalid media value (0xe8)
VFS: Can't find a valid FAT filesystem on dev hda.

+=+=+

other areas of interest

:sudo fdisk -l /dev/hda

Disk /dev/hda: 160.0 GB 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 822520 bytes

Disk /dev/hda doesn't contain a valid partion table

+=+=+

:sudo parted /dev/hda check MINOR
Error: Unable to open /dev/hda - uncrecognized disk label.
Information: Don't forget to update /etc/fstab, if necessary.

+=+=+
Where do I go from here?
 
Old 07-09-2006, 08:34 PM   #2
haertig
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Registered: Nov 2004
Distribution: Debian, Ubuntu, LinuxMint, Slackware, SysrescueCD, Raspbian, Arch
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Quote:
Originally Posted by cbn302
:sudo mount -t ntfs /dev/hda /media/pixs

mount: wrong fs type, bad option, bad superblock on /dev/hda, ...
This would be wrong, but it doesn't appear to be the root cause of your problem. /dev/hda would be the entire disk. You don't mount the disk, you mount a partition. You should be mounting something like /dev/hda1 or /dev/hda2 or /dev/hda3, etc.

However, the following doesn't look so good. You are calling fdisk correctly, but receiving an error:
Quote:
:sudo fdisk -l /dev/hda

Disk /dev/hda: 160.0 GB 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 822520 bytes

Disk /dev/hda doesn't contain a valid partion table
Was this external backup disk formatted, and backups done, using some proprietary manufacturer's software? Or perchance, did you use something like Symantec's "GoBack" on it?

Until you can read a partition table on the thing, you won't be able to mount anything off of it. That's why I said above that your mount command was wrong, but it wasn't the root cause of your problem.

Now, IF this disk is using some proprietary software/partitioning scheme, you might be in for some real headaches accessing it via Linux.
 
Old 07-09-2006, 10:01 PM   #3
cbn302
LQ Newbie
 
Registered: Mar 2004
Posts: 3

Original Poster
Rep: Reputation: Disabled
thanks

I was copying things over at the time this disk went bad. I thinks I had it partioned with the WD software supplied with the hard disk. with the way it was set up was through the virtual file system.

Last edited by cbn302; 07-09-2006 at 10:02 PM.
 
  


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