The Following Partitions can't be recovered.

How to use TestDisk to recover lost partition
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mttspiii
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Joined: 20 May 2014, 09:27

The Following Partitions can't be recovered.

#1 Post by mttspiii » 20 May 2014, 09:36

Good day. Erhm, my 1TB Buffalo external hard disk suddenly stopped working. The laptop can detect it, but when I checked it with Disk Management it was "unallocated". So I tried out testdisk.

Analyze > Quick Search > Advanced Search gave me this: Image

What should I do next? I really don't want to lose all the contents of the external disk (which is approx. 900+ GB).

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Fiona
Posts: 2836
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: The Following Partitions can't be recovered.

#2 Post by Fiona » 20 May 2014, 09:41

Can you repeat your diagnose using testdisk 6.14 32bit?
In your testdisk folder you'll find a file called testdisk.log.
You can open it using a wordprocessor like wordpad and copy and paste the content of your testdisk.log.
Here is a step by step guide:
http://www.cgsecurity.org/wiki/TestDisk_Step_By_Step

Fiona

mttspiii
Posts: 9
Joined: 20 May 2014, 09:27

Re: The Following Partitions can't be recovered.

#3 Post by mttspiii » 20 May 2014, 09:49

Thanks for the quick reply. Yep, I can re-analyze, give me just a little more time and I'd post the results here.

mttspiii
Posts: 9
Joined: 20 May 2014, 09:27

Re: The Following Partitions can't be recovered.

#4 Post by mttspiii » 21 May 2014, 02:12

Hi again.

This is from testdisk.log:


Tue May 20 17:28:29 2014
Command line: TestDisk

TestDisk 6.14, Data Recovery Utility, July 2013
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Windows WorkStation 6.2.9200
Compiler: GCC 4.7, Cygwin 1007.17
Compilation date: 2013-07-30T14:08:52
ext2fs lib: 1.42.2, ntfs lib: 10:0:0, reiserfs lib: 0.3.1-rc8, ewf lib: 20120504
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sda)=750156374016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdb)=1000204886016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=750156374016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=1000204886016
filewin32_getfilesize(\\.\PhysicalDrive2) GetFileSize err Incorrect function.

filewin32_setfilepointer(\\.\PhysicalDrive2) SetFilePointer err Incorrect function.

Warning: can't get size for \\.\PhysicalDrive2
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=367685271552
filewin32_getfilesize(\\.\D:) GetFileSize err Incorrect function.

filewin32_setfilepointer(\\.\D:) SetFilePointer err Incorrect function.

Warning: can't get size for \\.\D:
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\E:)=157285351424
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\F:)=208377217024
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\G:)=134217728
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\H:)=0
Warning: can't get size for \\.\H:
filewin32_getfilesize(\\.\I:) GetFileSize err Incorrect function.

filewin32_setfilepointer(\\.\I:) SetFilePointer err Incorrect function.

Warning: can't get size for \\.\I:
Hard disk list
Disk /dev/sda - 750 GB / 698 GiB - CHS 91201 255 63, sector size=512 - WDC WD7500BPVT-22HXZT3, S/N:WD-WX51A33Y6423, FW:01.01A01
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121601 255 63, sector size=512 - BUFFALO HD-PCTU3, S/N:B2C1312233, FW:0001
Drive G: - 134 MB / 128 MiB - CHS 32 64 32, sector size=2048 - HUAWEI Mass Storage, FW:2.31

Partition table type default to Intel
Disk /dev/sdb - 1000 GB / 931 GiB - BUFFALO HD-PCTU3
Partition table type: Intel

Analyse Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121601 255 63
Current partition structure:
No partition is bootable

search_part()
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121601 255 63
file_pread(5,16,buffer,32(0/0/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,32(0/0/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,40(0/0/41)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,48(0/0/49)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,95(0/1/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,34(0/0/35)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,34(0/0/35)) ReadFile Data error (cyclic redundancy check).

file_pread(5,2,buffer,51(0/0/52)) ReadFile Data error (cyclic redundancy check).

file_pread(5,2,buffer,98(0/1/36)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,63(0/1/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,63(0/1/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,71(0/1/9)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,79(0/1/17)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,254740480(15856/219/44)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,254740480(15856/219/44)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,254740481(15856/219/45)) ReadFile Data error (cyclic redundancy check).

file_pread(5,14,buffer,254740482(15856/219/46)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,254740496(15856/219/60)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,254740543(15856/220/44)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,254740559(15856/220/60)) ReadFile Data error (cyclic redundancy check).

file_pread(5,11,buffer,254740606(15856/221/44)) ReadFile Data error (cyclic redundancy check).

BAD_RS LBA=2221818019 14201473
file_pread(5,1,buffer,2221818019(138301/197/44)) lseek err Invalid argument
check_part_i386 failed for partition type 07
HPFS - NTFS 138301 197 44 404640 90 37 4278729288
This partition ends after the disk limits. (start=2221818019, size=4278729288, end=2205580010, disk end=1953525168)
BAD_RS LBA=1792164799 8092742
check_part_i386 failed for partition type 04
FAT16 <32M 111557 25 20 232438 131 24 1941959948
This partition ends after the disk limits. (start=1792164799, size=1941959948, end=3734124746, disk end=1953525168)
file_pread(5,2,buffer,1953525760(121601/90/26)) lseek err Invalid argument
file_pread(5,1,buffer,1953525760(121601/90/26)) lseek err Invalid argument
file_pread(5,1,buffer,1953525759(121601/90/25)) lseek err Invalid argument
file_pread(5,14,buffer,1953525761(121601/90/27)) lseek err Invalid argument
file_pread(5,3,buffer,1953525775(121601/90/41)) lseek err Invalid argument
file_pread(5,3,buffer,1953525822(121601/91/25)) lseek err Invalid argument
file_pread(5,8,buffer,1953525838(121601/91/41)) lseek err Invalid argument
file_pread(5,11,buffer,1953525885(121601/92/25)) lseek err Invalid argument
file_pread(5,2,buffer,1953527807(121601/122/57)) lseek err Invalid argument
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121601 255 63
Check the harddisk size: HD jumpers settings, BIOS detection...
The harddisk (1000 GB / 931 GiB) seems too small! (< 3328 GB / 3099 GiB)
The following partitions can't be recovered:
FAT16 <32M 111557 25 20 232438 131 24 1941959948
HPFS - NTFS 138301 197 44 404640 90 37 4278729288

Results

interface_write()

No partition found or selected for recovery


Just in case you needed it, this is from quick search:
Image

This is from the subsequent advanced search:
Image

User avatar
Fiona
Posts: 2836
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: The Following Partitions can't be recovered.

#5 Post by Fiona » 21 May 2014, 10:00

Can you run Deeper Search?
Deeper Search can find more partitions using the backup of the boot sector!

Fiona

mttspiii
Posts: 9
Joined: 20 May 2014, 09:27

Re: The Following Partitions can't be recovered.

#6 Post by mttspiii » 21 May 2014, 11:22

I have already done Deeper Search. Its result is on the second picture of the post above (I mislabeled it as "advanced search" in the previous post).

It's this one:Image

This looks bad, does it?

User avatar
Fiona
Posts: 2836
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: The Following Partitions can't be recovered.

#7 Post by Fiona » 21 May 2014, 11:55

I've no idea?
Because this display is only a message that some partitions arte not recoverable, because they end after disk limit.
Please confirm with continue to get to your results.
Need another screen from your final results.

Fiona

mttspiii
Posts: 9
Joined: 20 May 2014, 09:27

Re: The Following Partitions can't be recovered.

#8 Post by mttspiii » 22 May 2014, 07:44

Ok, I redid the analysis. I'll try to post what I did step-by-step, to check if I missed anything.

I did Quick Search (I took the screenshot while the Quick Search was ongoing)
Image

this is its result
Image

I pressed Enter, and this is what happened
Image

Not sure what to press (A, L, or Enter), I pressed Enter again, and this is what happened
Image

I press Enter again, and after an overnight scan, this is the result
Image

So I pressed Enter, this happened
Image

I don't know if I should press A, L, or Enter, so I pressed Enter again because I might overwrite my ~1TB worth of data in the external hard disk. This happened.
Image

Did I do anything wrong?

User avatar
Fiona
Posts: 2836
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: The Following Partitions can't be recovered.

#9 Post by Fiona » 22 May 2014, 16:35

Nope, you didn't do anything wrong.
You have some read errors.
Perhaps some bad sectors?
It's displayed here:
http://i1284.photobucket.com/albums/a57 ... ce8c8b.jpg
And your logfile displays them also:

Code: Select all

search_part()
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121601 255 63
file_pread(5,16,buffer,32(0/0/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,32(0/0/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,40(0/0/41)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,48(0/0/49)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,95(0/1/33)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,34(0/0/35)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,34(0/0/35)) ReadFile Data error (cyclic redundancy check).

file_pread(5,2,buffer,51(0/0/52)) ReadFile Data error (cyclic redundancy check).

file_pread(5,2,buffer,98(0/1/36)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,63(0/1/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,63(0/1/1)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,71(0/1/9)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,79(0/1/17)) ReadFile Data error (cyclic redundancy check).

file_pread(5,16,buffer,254740480(15856/219/44)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,254740480(15856/219/44)) ReadFile Data error (cyclic redundancy check).

file_pread(5,1,buffer,254740481(15856/219/45)) ReadFile Data error (cyclic redundancy check).

file_pread(5,14,buffer,254740482(15856/219/46)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,254740496(15856/219/60)) ReadFile Data error (cyclic redundancy check).

file_pread(5,3,buffer,254740543(15856/220/44)) ReadFile Data error (cyclic redundancy check).

file_pread(5,8,buffer,254740559(15856/220/60)) ReadFile Data error (cyclic redundancy check).

file_pread(5,11,buffer,254740606(15856/221/44)) ReadFile Data error (cyclic redundancy check).

BAD_RS LBA=2221818019 14201473
Please check the health status of your disk using crystaldiskinfo:
http://crystalmark.info/download/index-e.html
Please download the portable (zip) version.
The Installer version (exe) contains the adware open candy.
The portable version, you can unzip it and execute it directly.
On the upper left area you can watch the health status of your disk.
Clickin on it, provides more info.

Probably you'll need datarecovery software like PhotoRec.
Please let me know, what kind of filetypes (like jpg, mp3 etc..) you'd like to recover.

Fiona

mttspiii
Posts: 9
Joined: 20 May 2014, 09:27

Re: The Following Partitions can't be recovered.

#10 Post by mttspiii » 22 May 2014, 16:47

Hm, that's 900+GB's worth of movies, games, disc images, and music (in that order of priority for restoration). Thankfully I have a backup for my documents; thus they are of a lesser priority. Overall, that's quite a variety of file types in the disc.

Also, the external hard disk turns out to be still under warranty. Will crystaldiskinfo or testdisk invalidate my warranty? And will the guys over at Buffalo be able to restore all my data?

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