External backup disk crashed from 2 partitions to 1.

How to use TestDisk to recover lost partition
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Author
heinflhs
Posts: 5
Joined: 08 Sep 2019, 17:35
Location: Limburg the Netherlands

External backup disk crashed from 2 partitions to 1.

#1 Post by heinflhs » 11 Sep 2019, 16:23

Hi, I used an external WD elements 1.5TB for backup. I partitioned the drive into F: for my backup and G for movies that I downloaded. Probably the FAT sector was damaged and I did not notice that. When I looked up the drives I saw F but without files. Then I realised that I was in trouble. On this moment windows only sees the F drive, G is "gone".

The computers sees the drives like this:

disks F is empty.jpg
disks F is empty.jpg (117.46 KiB) Viewed 297 times
and half of the WD size is gone. Now I've tried several methods in Testdisk, however I failed to retrieve the G partition. When I'm able to retrieve it I might be able to recover at least a part of the movies. Unfortunately I have litle knowledge of this matter.

Maybe somebody has dealt with a same problem and could help me out?


Thank's

Hein

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cgrenier
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Posts: 4937
Joined: 18 Feb 2012, 15:08
Location: Le Perreux Sur Marne, France
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Re: External backup disk crashed from 2 partitions to 1.

#2 Post by cgrenier » 12 Sep 2019, 10:44

It looks like your disk has been reformated. Can you post the content of the testdisk.log file after Analyze, Quick Search and Deeper Search ?
If your lost partition isn't found, you can use PhotoRec to recover your data, be careful to store the recovered files on another disk (do not select the source disk as destination), note that it will not recover the original filenames.

heinflhs
Posts: 5
Joined: 08 Sep 2019, 17:35
Location: Limburg the Netherlands

Re: External backup disk crashed from 2 partitions to 1.

#3 Post by heinflhs » 12 Sep 2019, 14:00

testdisk 7.2 analyse WD Elements 1.5 TB.jpg
testdisk 7.2 analyse WD Elements 1.5 TB.jpg (89.96 KiB) Viewed 287 times
Hi, thank's for dealing with my problem.

When I try to perform a quick search this view appears.

heinflhs
Posts: 5
Joined: 08 Sep 2019, 17:35
Location: Limburg the Netherlands

Re: External backup disk crashed from 2 partitions to 1.

#4 Post by heinflhs » 13 Sep 2019, 08:43

Tue Sep 10 08:15:30 2019
Command line: TestDisk

TestDisk 7.2-WIP, Data Recovery Utility, July 2019
Christophe GRENIER <grenier@cgsecurity.org>
https://www.cgsecurity.org
OS: Windows 7 (7601) SP1
Compiler: GCC 6.4, Cygwin32 2009.0
ext2fs lib: 1.43.1, ntfs lib: 10:0:0, reiserfs lib: none, ewf lib: 20140608, curses lib: ncurses 6.0
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sda)=500107862016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdb)=1000204886016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdc)=500107862016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdd)=1500267937792
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=500107862016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=1000204886016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive2)=500107862016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive3)=1500267937792
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=500105217024
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\D:)=1000202043392
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\E:)=500105217024
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\F:)=717728251904
Hard disk list
Disk /dev/sda - 500 GB / 465 GiB - CHS 60801 255 63, sector size=512 - Samsung SSD 860 EVO 500GB, S/N:34534258454e4d30323637343131205420202020, FW:RVT03B6Q
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121601 255 63, sector size=512 - ST31000528AS, S/N:563941505a425442202020202020202020202020, FW:HP35
Disk /dev/sdc - 500 GB / 465 GiB - CHS 60801 255 63, sector size=512 - WDC WD5000AAKX-60U6AA0, S/N:2020202057202d44435732433445455a465a4a46, FW:18.01H18
Disk /dev/sdd - 1500 GB / 1397 GiB - CHS 182397 255 63, sector size=512 - WD Elements 10B8, S/N:WXA1A741C2PX, FW:1012

Partition table type (auto): Intel
Disk /dev/sdd - 1500 GB / 1397 GiB - WD Elements 10B8
Partition table type: EFI GPT

Analyse Disk /dev/sdd - 1500 GB / 1397 GiB - CHS 182397 255 63
Bad GPT partition, invalid signature.
Trying alternate GPT
Bad GPT partition, invalid signature.
Current partition structure:
Bad GPT partition, invalid signature.
Trying alternate GPT
Bad GPT partition, invalid signature.

search_part()
Disk /dev/sdd - 1500 GB / 1397 GiB - CHS 182397 255 63
NTFS at 0/32/33
heads/cylinder 64 (NTFS) != 255 (HD)
sect/track 32 (NTFS) != 63 (HD)
filesystem size 1528391680
sectors_per_cluster 8
mft_lcn 786432
mftmirr_lcn 2
clusters_per_mft_record -10
clusters_per_index_record 1
NTFS part_offset=1048576, part_size=782536540160, sector_size=512
NTFS partition cannot be added (part_offset<part_size).
NTFS at 0/32/33
heads/cylinder 64 (NTFS) != 255 (HD)
sect/track 32 (NTFS) != 63 (HD)
filesystem size 1528391680
sectors_per_cluster 8
mft_lcn 786432
mftmirr_lcn 2
clusters_per_mft_record -10
clusters_per_index_record 1
MS Data 2048 1528393727 1528391680
NTFS, blocksize=4096, 782 GB / 728 GiB
NTFS at 95138/27/58
filesystem size 1401812992
sectors_per_cluster 8
mft_lcn 786432
mftmirr_lcn 2
clusters_per_mft_record -10
clusters_per_index_record 1
MS Data 126580737 1528393728 1401812992
NTFS found using backup sector, blocksize=4096, 717 GB / 668 GiB
NTFS at 95138/27/58
filesystem size 1401812992
sectors_per_cluster 8
mft_lcn 786432
mftmirr_lcn 2
clusters_per_mft_record -10
clusters_per_index_record 1
MS Data 1528393728 2930206719 1401812992 [NieuwVolume]
NTFS, blocksize=4096, 717 GB / 668 GiB
file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,1,buffer,2930210818(182397/47/53)) lseek err Invalid argument
file_pread(7,1,buffer,2930210819(182397/47/54)) lseek err Invalid argument
file_pread(7,1,buffer,2930210820(182397/47/55)) lseek err Invalid argument
file_pread(7,1,buffer,2930210821(182397/47/56)) lseek err Invalid argument
file_pread(7,1,buffer,2930210822(182397/47/57)) lseek err Invalid argument
file_pread(7,1,buffer,2930210823(182397/47/58)) lseek err Invalid argument
file_pread(7,1,buffer,2930210824(182397/47/59)) lseek err Invalid argument
file_pread(7,1,buffer,2930210825(182397/47/60)) lseek err Invalid argument
file_pread(7,1,buffer,2930210826(182397/47/61)) lseek err Invalid argument
file_pread(7,1,buffer,2930210827(182397/47/62)) lseek err Invalid argument
file_pread(7,1,buffer,2930210828(182397/47/63)) lseek err Invalid argument
file_pread(7,1,buffer,2930210829(182397/48/1)) lseek err Invalid argument
file_pread(7,1,buffer,2930210830(182397/48/2)) lseek err Invalid argument
file_pread(7,1,buffer,2930210831(182397/48/3)) lseek err Invalid argument
file_pread(7,1,buffer,2930210832(182397/48/4)) lseek err Invalid argument
file_pread(7,1,buffer,2930210833(182397/48/5)) lseek err Invalid argument
file_pread(7,1,buffer,2930210834(182397/48/6)) lseek err Invalid argument
file_pread(7,1,buffer,2930210835(182397/48/7)) lseek err Invalid argument
file_pread(7,1,buffer,2930210836(182397/48/8)) lseek err Invalid argument
file_pread(7,1,buffer,2930210837(182397/48/9)) lseek err Invalid argument
file_pread(7,1,buffer,2930210838(182397/48/10)) lseek err Invalid argument
file_pread(7,1,buffer,2930210839(182397/48/11)) lseek err Invalid argument
file_pread(7,1,buffer,2930210840(182397/48/12)) lseek err Invalid argument
file_pread(7,1,buffer,2930210841(182397/48/13)) lseek err Invalid argument
file_pread(7,1,buffer,2930210842(182397/48/14)) lseek err Invalid argument
file_pread(7,1,buffer,2930210843(182397/48/15)) lseek err Invalid argument
file_pread(7,1,buffer,2930210844(182397/48/16)) lseek err Invalid argument
file_pread(7,1,buffer,2930210845(182397/48/17)) lseek err Invalid argument
file_pread(7,1,buffer,2930210846(182397/48/18)) lseek err Invalid argument
file_pread(7,1,buffer,2930210847(182397/48/19)) lseek err Invalid argument
file_pread(7,1,buffer,2930210848(182397/48/20)) lseek err Invalid argument
file_pread(7,1,buffer,2930210849(182397/48/21)) lseek err Invalid argument
file_pread(7,1,buffer,2930210850(182397/48/22)) lseek err Invalid argument
file_pread(7,1,buffer,2930210851(182397/48/23)) lseek err Invalid argument
file_pread(7,1,buffer,2930210852(182397/48/24)) lseek err Invalid argument
file_pread(7,1,buffer,2930210853(182397/48/25)) lseek err Invalid argument
file_pread(7,1,buffer,2930210854(182397/48/26)) lseek err Invalid argument
file_pread(7,1,buffer,2930210855(182397/48/27)) lseek err Invalid argument
file_pread(7,1,buffer,2930210856(182397/48/28)) lseek err Invalid argument
file_pread(7,1,buffer,2930210857(182397/48/29)) lseek err Invalid argument
file_pread(7,1,buffer,2930210858(182397/48/30)) lseek err Invalid argument
file_pread(7,1,buffer,2930210859(182397/48/31)) lseek err Invalid argument
file_pread(7,1,buffer,2930210860(182397/48/32)) lseek err Invalid argument
file_pread(7,1,buffer,2930210861(182397/48/33)) lseek err Invalid argument
file_pread(7,1,buffer,2930210862(182397/48/34)) lseek err Invalid argument
file_pread(7,1,buffer,2930210863(182397/48/35)) lseek err Invalid argument
file_pread(7,1,buffer,2930210864(182397/48/36)) lseek err Invalid argument
file_pread(7,1,buffer,2930210865(182397/48/37)) lseek err Invalid argument
file_pread(7,1,buffer,2930210866(182397/48/38)) lseek err Invalid argument
file_pread(7,1,buffer,2930210867(182397/48/39)) lseek err Invalid argument
file_pread(7,1,buffer,2930210868(182397/48/40)) lseek err Invalid argument
file_pread(7,1,buffer,2930210869(182397/48/41)) lseek err Invalid argument
file_pread(7,1,buffer,2930210870(182397/48/42)) lseek err Invalid argument
file_pread(7,1,buffer,2930210871(182397/48/43)) lseek err Invalid argument
file_pread(7,1,buffer,2930210872(182397/48/44)) lseek err Invalid argument
file_pread(7,1,buffer,2930210873(182397/48/45)) lseek err Invalid argument
file_pread(7,1,buffer,2930210874(182397/48/46)) lseek err Invalid argument
file_pread(7,1,buffer,2930210875(182397/48/47)) lseek err Invalid argument
file_pread(7,1,buffer,2930210876(182397/48/48)) lseek err Invalid argument
file_pread(7,1,buffer,2930210877(182397/48/49)) lseek err Invalid argument
file_pread(7,1,buffer,2930210878(182397/48/50)) lseek err Invalid argument
file_pread(7,1,buffer,2930210879(182397/48/51)) lseek err Invalid argument
file_pread(7,1,buffer,2930210880(182397/48/52)) lseek err Invalid argument
file_pread(7,1,buffer,2930210881(182397/48/53)) lseek err Invalid argument
file_pread(7,1,buffer,2930210882(182397/48/54)) lseek err Invalid argument
file_pread(7,1,buffer,2930210883(182397/48/55)) lseek err Invalid argument
file_pread(7,1,buffer,2930210884(182397/48/56)) lseek err Invalid argument
file_pread(7,1,buffer,2930210885(182397/48/57)) lseek err Invalid argument
file_pread(7,1,buffer,2930210886(182397/48/58)) lseek err Invalid argument
file_pread(7,1,buffer,2930210887(182397/48/59)) lseek err Invalid argument
file_pread(7,1,buffer,2930210888(182397/48/60)) lseek err Invalid argument
file_pread(7,1,buffer,2930210889(182397/48/61)) lseek err Invalid argument
file_pread(7,1,buffer,2930210890(182397/48/62)) lseek err Invalid argument
file_pread(7,1,buffer,2930210891(182397/48/63)) lseek err Invalid argument
file_pread(7,1,buffer,2930210892(182397/49/1)) lseek err Invalid argument
file_pread(7,1,buffer,2930210893(182397/49/2)) lseek err Invalid argument
file_pread(7,1,buffer,2930210894(182397/49/3)) lseek err Invalid argument
file_pread(7,1,buffer,2930210895(182397/49/4)) lseek err Invalid argument
file_pread(7,1,buffer,2930210896(182397/49/5)) lseek err Invalid argument
file_pread(7,1,buffer,2930210897(182397/49/6)) lseek err Invalid argument
file_pread(7,1,buffer,2930210898(182397/49/7)) lseek err Invalid argument
file_pread(_pread(7,1,buffer,2930210837(182397/48/9)) lseek err Invalid argument
file_pread(7,1,buffer,2930210858(182397/48/30)) lseek err Invalid argument
file_pread(7,1,buffer,2930210908(182397/49/17)) lseek err Invalid argument
file_pread(7,1,buffer,2930212821(182397/79/40)) lseek err Invalid argument
file_pread(7,1,buffer,2930210838(182397/48/10)) lseek err Invalid argument
file_pread(7,1,buffer,2930210859(182397/48/31)) lseek err Invalid argument
file_pread(7,1,buffer,2930210909(182397/49/18)) lseek err Invalid argument
file_pread(7,1,buffer,2930212822(182397/79/41)) lseek err Invalid argument
file_pread(7,1,buffer,2930210839(182397/48/11)) lseek err Invalid argument
file_pread(7,1,buffer,2930210860(182397/48/32)) lseek err Invalid argument
file_pread(7,1,buffer,2930210910(182397/49/19)) lseek err Invalid argument
file_pread(7,1,buffer,2930212823(182397/79/42)) lseek err Invalid argument
file_pread(7,1,buffer,2930210840(182397/48/12)) lseek err Invalid argument
file_pread(7,8,buffer,2930210854(182397/48/26)) lseek err Invalid argument
file_pread(7,11,buffer,2930210901(182397/49/10)) lseek err Invalid argument
file_pread(7,1,buffer,2930212824(182397/79/43)) lseek err Invalid argument
file_pread(7,1,buffer,2930210841(182397/48/13)) lseek err Invalid argument
file_pread(7,1,buffer,2930210862(182397/48/34)) lseek err Invalid argument
file_pread(7,1,buffer,2930210912(182397/49/21)) lseek err Invalid argument
file_pread(7,1,buffer,2930212825(182397/79/44)) lseek err Invalid argument
file_pread(7,1,buffer,2930210842(182397/48/14)) lseek err Invalid argument
file_pread(7,1,buffer,2930210863(182397/48/35)) lseek err Invalid argument
file_pread(7,1,buffer,2930210913(182397/49/22)) lseek err Invalid argument
file_pread(7,1,buffer,2930212826(182397/79/45)) lseek err Invalid argument
file_pread(7,1,buffer,2930210843(182397/48/15)) lseek err Invalid argument
file_pread(7,1,buffer,2930210864(182397/48/36)) lseek err Invalid argument
file_pread(7,1,buffer,2930210914(182397/49/23)) lseek err Invalid argument
file_pread(7,1,buffer,2930212827(182397/79/46)) lseek err Invalid argument
file_pread(7,1,buffer,2930210844(182397/48/16)) lseek err Invalid argument
file_pread(7,8,buffer,2930210858(182397/48/30)) lseek err Invalid argument
file_pread(7,11,buffer,2930210905(182397/49/14)) lseek err Invalid argument
file_pread(7,1,buffer,2930212828(182397/79/47)) lseek err Invalid argument
file_pread(7,1,buffer,2930210845(182397/48/17)) lseek err Invalid argument
file_pread(7,1,buffer,2930210866(182397/48/38)) lseek err Invalid argument
file_pread(7,1,buffer,2930210916(182397/49/25)) lseek err Invalid argument
file_pread(7,1,buffer,2930212829(182397/79/48)) lseek err Invalid argument
file_pread(7,1,buffer,2930210846(182397/48/18)) lseek err Invalid argument
file_pread(7,1,buffer,2930210867(182397/48/39)) lseek err Invalid argument
file_pread(7,1,buffer,2930210917(182397/49/26)) lseek err Invalid argument
file_pread(7,1,buffer,2930212830(182397/79/49)) lseek err Invalid argument
file_pread(7,1,buffer,2930210847(182397/48/19)) lseek err Invalid argument
file_pread(7,1,buffer,2930210868(182397/48/40)) lseek err Invalid argument
file_pread(7,1,buffer,2930210918(182397/49/27)) lseek err Invalid argument
file_pread(7,1,buffer,2930212831(182397/79/50)) lseek err Invalid argument
file_pread(7,1,buffer,2930210848(182397/48/20)) lseek err Invalid argument
file_pread(7,8,buffer,2930210862(182397/48/34)) lseek err Invalid argument
file_pread(7,11,buffer,2930210909(182397/49/18)) lseek err Invalid argument
file_pread(7,1,buffer,2930212832(182397/79/51)) lseek err Invalid argument
file_pread(7,1,buffer,2930210849(182397/48/21)) lseek err Invalid argument
file_pread(7,1,buffer,2930210870(182397/48/42)) lseek err Invalid argument
file_pread(7,1,buffer,2930210920(182397/49/29)) lseek err Invalid argument
file_pread(7,1,buffer,2930212833(182397/79/52)) lseek err Invalid argument
file_pread(7,1,buffer,2930210850(182397/48/22)) lseek err Invalid argument
file_pread(7,1,buffer,2930210871(182397/48/43)) lseek err Invalid argument
file_pread(7,1,buffer,2930210921(182397/49/30)) lseek err Invalid argument
file_pread(7,1,buffer,2930212834(182397/79/53)) lseek err Invalid argument
file_pread(7,1,buffer,2930210851(182397/48/23)) lseek err Invalid argument
file_pread(7,1,buffer,2930210872(182397/48/44)) lseek err Invalid argument
file_pread(7,1,buffer,2930210922(182397/49/31)) lseek err Invalid argument
file_pread(7,1,buffer,2930212835(182397/79/54)) lseek err Invalid argument
file_pread(7,1,buffer,2930210852(182397/48/24)) lseek err Invalid argument
file_pread(7,8,buffer,2930210866(182397/48/38)) lseek err Invalid argument
file_pread(7,11,buffer,2930210913(182397/49/22)) lseek err Invalid argument
file_pread(7,1,buffer,2930212836(182397/79/55)) lseek err Invalid argument
file_pread(7,1,buffer,2930210853(182397/48/25)) lseek err Invalid argument
file_pread(7,1,buffer,2930210874(182397/48/46)) lseek err Invalid argument
file_pread(7,1,buffer,2930210924(182397/49/33)) lseek err Invalid argument
file_pread(7,1,buffer,2930212837(182397/79/56)) lseek err Invalid argument
file_pread(7,1,buffer,2930210854(182397/48/26)) lseek err Invalid argument
file_pread(7,1,buffer,2930210875(182397/48/47)) lseek err Invalid argument
file_pread(7,1,buffer,2930210925(182397/49/34)) lseek err Invalid argument
file_pread(7,1,buffer,2930212838(182397/79/57)) lseek err Invalid argument
file_pread(7,1,buffer,2930210855(182397/48/27)) lseek err Invalid argument
file_pread(7,8,buffer,2930210869(182397/48/41)) lseek err Invalid argument
file_pread(7,11,buffer,2930210916(182397/49/25)) lseek err Invalid argument
file_pread(7,1,buffer,2930212839(182397/79/58)) lseek err Invalid argument
file_pread(7,1,buffer,2930210856(182397/48/28)) lseek err Invalid argument
file_pread(7,1,buffer,2930210877(182397/48/49)) lseek err Invalid argument
file_pread(7,1,buffer,2930210927(182397/49/36)) lseek err Invalid argument
file_pread(7,1,buffer,2930212840(182397/79/59)) lseek err Invalid argument
file_pread(7,1,buffer,2930210857(182397/48/29)) lseek err Invalid argument
file_pread(7,1,buffer,2930210878(182397/48/50)) lseek err Invalid argument
file_pread(7,1,buffer,2930210928(182397/49/37)) lseek err Invalid argument
file_pread(7,1,buffer,2930212841(182397/79/60)) lseek err Invalid argument
file_pread(7,1,buffer,2930210858(182397/48/30)) lseek err Invalid argument
file_pread(7,8,buffer,2930210872(182397/48/44)) lseek err Invalid argument
file_pread(7,11,buffer,2930210919(182397/49/28)) lseek err Invalid argument
file_pread(7,1,buffer,2930212842(182397/79/61)) lseek err Invalid argument
file_pread(7,1,buffer,2930210859(182397/48/31)) lseek err Invalid argument
file_pread(7,1,buffer,2930210880(182397/48/52)) lseek err Invalid argument
file_pread(7,1,buffer,2930210930(182397/49/39)) lseek err Invalid argument
file_pread(7,1,buffer,2930212843(182397/79/62)) lseek err Invalid argument
file_pread(7,1,buffer,2930210860(182397/48/32)) lseek err Invalid argument
file_pread(7,1,buffer,2930210881(182397/48/53)) lseek err Invalid argument
file_pread(7,1,buffer,2930210931(182397/49/40)) lseek err Invalid argument
file_pread(7,1,buffer,2930212844(182397/79/63)) lseek err Invalid argument
file_pread(7,1,buffer,2930210861(182397/48/33)) lseek err Invalid argument
file_pread(7,8,buffer,2930210875(182397/48/47)) lseek err Invalid argument
file_pread(7,11,buffer,2930210922(182397/49/31)) lseek err Invalid argument
file_pread(7,1,buffer,2930212845(182397/80/1)) lseek err Invalid argument
file_pread(7,1,buffer,2930210862(182397/48/34)) lseek err Invalid argument
file_pread(7,1,buffer,2930210883(182397/48/55)) lseek err Invalid argument
file_pread(7,1,buffer,2930210933(182397/49/42)) lseek err Invalid argument
file_pread(7,1,buffer,2930212846(182397/80/2)) lseek err Invalid argument
file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210863(182397/48/35)) lseek err Invalid argument
file_pread(7,1,buffer,2930210884(182397/48/56)) lseek err Invalid argument
file_pread(7,1,buffer,2930210934(182397/49/43)) lseek err Invalid argument
file_pread(7,1,buffer,2930212847(182397/80/3)) lseek err Invalid argument
file_pread(7,1,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,1,buffer,2930210864(182397/48/36)) lseek err Invalid argument
file_pread(7,8,buffer,2930210878(182397/48/50)) lseek err Invalid argument
file_pread(7,11,buffer,2930210925(182397/49/34)) lseek err Invalid argument
file_pread(7,1,buffer,2930212848(182397/80/4)) lseek err Invalid argument
file_pread(7,1,buffer,2930210818(182397/47/53)) lseek err Invalid argument
file_pread(7,1,buffer,2930210865(182397/48/37)) lseek err Invalid argument
file_pread(7,1,buffer,2930210886(182397/48/58)) lseek err Invalid argument
file_pread(7,1,buffer,2930210936(182397/49/45)) lseek err Invalid argument
file_pread(7,1,buffer,2930212849(182397/80/5)) lseek err Invalid argument
file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210819(182397/47/54)) lseek err Invalid argument
file_pread(7,1,buffer,2930210866(182397/48/38)) lseek err Invalid argument
file_pread(7,1,buffer,2930210887(182397/48/59)) lseek err Invalid argument
file_pread(7,1,buffer,2930210937(182397/49/46)) lseek err Invalid argument
file_pread(7,1,buffer,2930212850(182397/80/6)) lseek err Invalid argument
file_pread(7,14,buffer,2930210804(182397/47/39)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,3,buffer,2930210818(182397/47/53)) lseek err Invalid argument
file_pread(7,3,buffer,2930210865(182397/48/37)) lseek err Invalid argument
file_pread(7,8,buffer,2930210881(182397/48/53)) lseek err Invalid argument
file_pread(7,11,buffer,2930210928(182397/49/37)) lseek err Invalid argument
file_pread(7,2,buffer,2930212850(182397/80/6)) lseek err Invalid argument
file_pread(7,14,buffer,2930210805(182397/47/40)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,2,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,3,buffer,2930210819(182397/47/54)) lseek err Invalid argument
file_pread(7,3,buffer,2930210866(182397/48/38)) lseek err Invalid argument
file_pread(7,8,buffer,2930210882(182397/48/54)) lseek err Invalid argument
file_pread(7,11,buffer,2930210929(182397/49/38)) lseek err Invalid argument
file_pread(7,2,buffer,2930212851(182397/80/7)) lseek err Invalid argument
file_pread(7,14,buffer,2930210806(182397/47/41)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,3,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,3,buffer,2930210820(182397/47/55)) lseek err Invalid argument
file_pread(7,3,buffer,2930210867(182397/48/39)) lseek err Invalid argument
file_pread(7,8,buffer,2930210883(182397/48/55)) lseek err Invalid argument
file_pread(7,11,buffer,2930210930(182397/49/39)) lseek err Invalid argument
file_pread(7,2,buffer,2930212852(182397/80/8)) lseek err Invalid argument
file_pread(7,14,buffer,2930210807(182397/47/42)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,4,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,3,buffer,2930210821(182397/47/56)) lseek err Invalid argument
file_pread(7,3,buffer,2930210868(182397/48/40)) lseek err Invalid argument
file_pread(7,8,buffer,2930210884(182397/48/56)) lseek err Invalid argument
file_pread(7,11,buffer,2930210931(182397/49/40)) lseek err Invalid argument
file_pread(7,2,buffer,2930212853(182397/80/9)) lseek err Invalid argument
file_pread(7,14,buffer,2930210808(182397/47/43)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,5,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,3,buffer,2930210822(182397/47/57)) lseek err Invalid argument
file_pread(7,3,buffer,2930210869(182397/48/41)) lseek err Invalid argument
file_pread(7,8,buffer,2930210885(182397/48/57)) lseek err Invalid argument
file_pread(7,11,buffer,2930210932(182397/49/41)) lseek err Invalid argument
file_pread(7,2,buffer,2930212854(182397/80/10)) lseek err Invalid argument
file_pread(7,1,buffer,2930210825(182397/47/60)) lseek err Invalid argument
file_pread(7,1,buffer,2930210872(182397/48/44)) lseek err Invalid argument
file_pread(7,1,buffer,2930210893(182397/49/2)) lseek err Invalid argument
file_pread(7,1,buffer,2930210943(182397/49/52)) lseek err Invalid argument
file_pread(7,1,buffer,2930212856(182397/80/12)) lseek err Invalid argument
file_pread(7,14,buffer,2930210810(182397/47/45)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,7,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,3,buffer,2930210824(182397/47/59)) lseek err Invalid argument
file_pread(7,3,buffer,2930210871(182397/48/43)) lseek err Invalid argument
file_pread(7,8,buffer,2930210887(182397/48/59)) lseek err Invalid argument
file_pread(7,11,buffer,2930210934(182397/49/43)) lseek err Invalid argument
file_pread(7,1,buffer,2930212857(182397/80/13)) lseek err Invalid argument
file_pread(7,1,buffer,2930210827(182397/47/62)) lseek err Invalid argument
file_pread(7,1,buffer,2930210874(182397/48/46)) lseek err Invalid argument
file_pread(7,1,buffer,2930210895(182397/49/4)) lseek err Invalid argument
file_pread(7,1,buffer,2930210945(182397/49/54)) lseek err Invalid argument
file_pread(7,1,buffer,2930212858(182397/80/14)) lseek err Invalid argument
file_pread(7,14,buffer,2930210812(182397/47/47)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,8,buffer,2930210818(182397/47/53)) lseek err Invalid argument
file_pread(7,3,buffer,2930210826(182397/47/61)) lseek err Invalid argument
file_pread(7,3,buffer,2930210873(182397/48/45)) lseek err Invalid argument
file_pread(7,8,buffer,2930210889(182397/48/61)) lseek err Invalid argument
file_pread(7,11,buffer,2930210936(182397/49/45)) lseek err Invalid argument
file_pread(7,1,buffer,2930212859(182397/80/15)) lseek err Invalid argument
file_pread(7,10,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,1,buffer,2930210829(182397/48/1)) lseek err Invalid argument
file_pread(7,1,buffer,2930210876(182397/48/48)) lseek err Invalid argument
file_pread(7,1,buffer,2930210897(182397/49/6)) lseek err Invalid argument
file_pread(7,1,buffer,2930210947(182397/49/56)) lseek err Invalid argument
file_pread(7,1,buffer,2930212860(182397/80/16)) lseek err Invalid argument
file_pread(7,14,buffer,2930210814(182397/47/49)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210827(182397/47/62)) lseek err Invalid argument
file_pread(7,3,buffer,2930210828(182397/47/63)) lseek err Invalid argument
file_pread(7,3,buffer,2930210875(182397/48/47)) lseek err Invalid argument
file_pread(7,8,buffer,2930210891(182397/48/63)) lseek err Invalid argument
file_pread(7,11,buffer,2930210938(182397/49/47)) lseek err Invalid argument
file_pread(7,1,buffer,2930212861(182397/80/17)) lseek err Invalid argument
file_pread(7,12,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,1,buffer,2930210831(182397/48/3)) lseek err Invalid argument
file_pread(7,1,buffer,2930210878(182397/48/50)) lseek err Invalid argument
file_pread(7,1,buffer,2930210899(182397/49/8)) lseek err Invalid argument
file_pread(7,1,buffer,2930210949(182397/49/58)) lseek err Invalid argument
file_pread(7,1,buffer,2930212862(182397/80/18)) lseek err Invalid argument
file_pread(7,1,buffer,2930210832(182397/48/4)) lseek err Invalid argument
file_pread(7,1,buffer,2930210879(182397/48/51)) lseek err Invalid argument
file_pread(7,1,buffer,2930210900(182397/49/9)) lseek err Invalid argument
file_pread(7,1,buffer,2930210950(182397/49/59)) lseek err Invalid argument
file_pread(7,1,buffer,2930212863(182397/80/19)) lseek err Invalid argument
NTFS at 182397/47/50
filesystem size 2930208768
sectors_per_cluster 8
mft_lcn 786432
mftmirr_lcn 183138047
clusters_per_mft_record -10
clusters_per_index_record 1
MS Data 2048 2930210815 2930208768
NTFS found using backup sector, blocksize=4096, 1500 GB / 1397 GiB
file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,2,buffer,2930210829(182397/48/1)) lseek err Invalid argument
file_pread(7,1,buffer,2930210833(182397/48/5)) lseek err Invalid argument
file_pread(7,1,buffer,2930210880(182397/48/52)) lseek err Invalid argument
file_pread(7,8,buffer,2930210894(182397/49/3)) lseek err Invalid argument
file_pread(7,11,buffer,2930210941(182397/49/50)) lseek err Invalid argument
file_pread(7,1,buffer,2930212864(182397/80/20)) lseek err Invalid argument
file_pread(7,7,buffer,2930210817(182397/47/52)) lseek err Invalid argument
file_pread(7,8,buffer,2930210824(182397/47/59)) lseek err Invalid argument
file_pread(7,1,buffer,2930210834(182397/48/6)) lseek err Invalid argument
file_pread(7,1,buffer,2930210881(182397/48/53)) lseek err Invalid argument
file_pread(7,1,buffer,2930210902(182397/49/11)) lseek err Invalid argument
file_pread(7,1,buffer,2930210952(182397/49/61)) lseek err Invalid argument
file_pread(7,1,buffer,2930212865(182397/80/21)) lseek err Invalid argument

Results
MS Data 2048 1528393727 1528391680
NTFS, blocksize=4096, 782 GB / 728 GiB
MS Data 2048 2930210815 2930208768
NTFS found using backup sector, blocksize=4096, 1500 GB / 1397 GiB
MS Data 126580737 1528393728 1401812992
NTFS found using backup sector, blocksize=4096, 717 GB / 668 GiB
MS Data 1528393728 2930206719 1401812992 [NieuwVolume]
NTFS, blocksize=4096, 717 GB / 668 GiB

interface_write()
1 P MS Data 2048 1528393727 1528391680

search_part()
Disk /dev/sdd - 1500 GB / 1397 GiB - CHS 182397 255 63
NTFS at 0/32/33
heads/cylinder 64 (NTFS) != 255 (HD)
sect/track 32 (NTFS) != 63 (HD)
filesystem size 1528391680
sectors_per_cluster 8
mft_lcn 786432
mftmirr_lcn 2
clusters_per_mft_record -10
clusters_per_index_record 1
NTFS part_offset=1048576, part_size=782536540160, sector_size=512
NTFS partition cannot be added (part_offset<part_size).
NTFS at 0/32/33
heads/cylinder 64 (NTFS) != 255 (HD)
sect/track 32 (NTFS) != 63 (HD)
filesystem size 1528391680
sectors_per_cluster 8
mft_lcn 786432
mftmirr_lcn 2
clusters_per_mft_record -10
clusters_per_index_record 1
MS Data 2048 1528393727 1528391680
NTFS, blocksize=4096, 782 GB / 728 GiB
NTFS at 95138/27/58
filesystem size 1401812992
sectors_per_cluster 8
mft_lcn 786432
mftmirr_lcn 2
clusters_per_mft_record -10
clusters_per_index_record 1
MS Data 126580737 1528393728 1401812992
NTFS found using backup sector, blocksize=4096, 717 GB / 668 GiB
NTFS at 95138/27/58
filesystem size 1401812992
sectors_per_cluster 8
mft_lcn 786432
mftmirr_lcn 2
clusters_per_mft_record -10
clusters_per_index_record 1
MS Data 1528393728 2930206719 1401812992 [NieuwVolume]
NTFS, blocksize=4096, 717 GB / 668 GiB
file_pread(7,2,buffer,2930210815(182397/47/50)) ReadFile Het station kan de aangevraagde sector niet vinden.

file_pread(7,1,buffer,2930210816(182397/47/51)) ReadFile Het station kan de aangevraagde sector niet vinden.

Search for partition aborted

Results
MS Data 2048 1528393727 1528391680
NTFS, blocksize=4096, 782 GB / 728 GiB
MS Data 126580737 1528393728 1401812992
NTFS found using backup sector, blocksize=4096, 717 GB / 668 GiB
MS Data 1528393728 2930206719 1401812992 [NieuwVolume]
NTFS, blocksize=4096, 717 GB / 668 GiB

interface_write()

No partition found or selected for recovery
simulate write!

TestDisk exited normally.



The file had to be partly deleted causo of size. So I deleted info in the middle.

heinflhs
Posts: 5
Joined: 08 Sep 2019, 17:35
Location: Limburg the Netherlands

Re: External backup disk crashed from 2 partitions to 1.

#5 Post by heinflhs » 13 Sep 2019, 08:57

I cannot copy and paste file here. After tunnin deep scan the folllowing message appears:

Disk/dev/ssd-1500GB/1397 GiB - CHS 182379 255 63
The harddisk <1500 GB/1397gib> seems too small! <<4156GB/3871 GiB>

Check the harddisk size: HD jumper settings, BIOS detection...

The following partitions can't be recovered:
Partition Start End Size in sectors
>FAT 16<32M 130992 172 45 185365 92 38 873497199
FAT 16 >32M 324688 245 42 505382 137 32 2902842287

[continue]
447 GB/416Gib

heinflhs
Posts: 5
Joined: 08 Sep 2019, 17:35
Location: Limburg the Netherlands

Re: External backup disk crashed from 2 partitions to 1.

#6 Post by heinflhs » 13 Sep 2019, 09:24

cgrenier wrote:
12 Sep 2019, 10:44
It looks like your disk has been reformated. Can you post the content of the testdisk.log file after Analyze, Quick Search and Deeper Search ?
If your lost partition isn't found, you can use PhotoRec to recover your data, be careful to store the recovered files on another disk (do not select the source disk as destination), note that it will not recover the original filenames.


Something went wrong in the beginning. I dis not format the disk deliberately. After that I tried unformat end probably damaged a lot. Problem is that I'm a layman in this computer field.

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