Lost partition from external drive

How to use TestDisk to recover lost partition
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Author
mormegil
Posts: 1
Joined: 30 Mar 2021, 19:25

Lost partition from external drive

#1 Post by mormegil »

Hello! I lost partition from my external drive, which is my 1TB SATA drive from my previous laptop, inside an Unitek 3.0 disk case. The disk failure was probably due to faulty USB hub, which is an active hub from TP-Link, but I suspect it the most since the disk was working fine when attached directly to my laptop. I have just done an advanced scan with TestDisk, and I am not sure what to do next. I would be very grateful for prompt response, as this is very urgent and important for me.

The disk contains two partitions: NTFS Backup Wind (which is 785 GB partition) and ext4 Backup Linux (which is the rest, roughly). The important data is on Backup Wind partition, and the Backup Linux partition works fine. I believe it is only the NTFS table failure, and I hope it can be restored and my files safely copied to another location. Please see the log file - if you know what can be done next, I'd be extremely grateful!

Code: Select all


Tue Mar 30 18:11:27 2021
Command line: TestDisk

TestDisk 7.1, Data Recovery Utility, July 2019
Christophe GRENIER <grenier@cgsecurity.org>
https://www.cgsecurity.org
OS: Linux, kernel 5.10.10-64 (#3 SMP PREEMPT Sun Feb 7 09:26:54 CET 2021) x86_64
Compiler: GCC 9.2
ext2fs lib: 1.45.7, ntfs lib: libntfs-3g, reiserfs lib: none, ewf lib: none, curses lib: ncurses 6.1
User is not root!
Warning: can't get size for Disk /dev/loop0 - 0 B - 0 sectors, sector size=512
Warning: can't get size for Disk /dev/loop1 - 0 B - 0 sectors, sector size=512
Warning: can't get size for Disk /dev/loop2 - 0 B - 0 sectors, sector size=512
Warning: can't get size for Disk /dev/loop3 - 0 B - 0 sectors, sector size=512
Warning: can't get size for Disk /dev/loop4 - 0 B - 0 sectors, sector size=512
Warning: can't get size for Disk /dev/loop5 - 0 B - 0 sectors, sector size=512
Warning: can't get size for Disk /dev/loop6 - 0 B - 0 sectors, sector size=512
Warning: can't get size for Disk /dev/loop7 - 0 B - 0 sectors, sector size=512
Hard disk list
Disk /dev/sda - 240 GB / 223 GiB - CHS 29185 255 63, sector size=512 - SPCC Solid State Disk, S/N:DA5A074716EE00668086, FW:S8FM07.2
Disk /dev/sdb - 3000 GB / 2794 GiB - CHS 364801 255 63, sector size=512 - ST3000VN000-1H4167, S/N:Z300S25J, FW:SC43
Disk /dev/sdc - 1000 GB / 931 GiB - CHS 121601 255 63, sector size=512 - ST1000LM 014-SSHD-8GB, FW:6601
Disk /dev/sdd - 15 GB / 14 GiB - CHS 14992 64 32, sector size=512 - Kingston DT Rubber 3.0, FW:PMAP

Partition table type (auto): EFI GPT
Disk /dev/sdc - 1000 GB / 931 GiB - ST1000LM 014-SSHD-8GB
Partition table type: EFI GPT

Analyse Disk /dev/sdc - 1000 GB / 931 GiB - CHS 121601 255 63
hdr_size=92
hdr_lba_self=1
hdr_lba_alt=1953525167 (expected 1953525167)
hdr_lba_start=34
hdr_lba_end=1953525134
hdr_lba_table=2
hdr_entries=128
hdr_entsz=128
check_part_gpt failed for partition
 1 P MS Data                     2048 1534095359 1534093312
Current partition structure:
No FAT, NTFS, ext2, JFS, Reiser, cramfs or XFS marker
 1 P MS Data                     2048 1534095359 1534093312
 1 P MS Data                     2048 1534095359 1534093312
 2 P Linux filesys. data   1534095360 1953523711  419428352

search_part()
Disk /dev/sdc - 1000 GB / 931 GiB - CHS 121601 255 63
NTFS at 0/32/39
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
NTFS part_offset=1051648, part_size=785455775744, sector_size=512
NTFS partition cannot be added (part_offset<part_size).
NTFS at 0/32/39
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
     MS Data                     2054 1534095365 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB

block_group_nr 1

recover_EXT2: "e2fsck -b 32768 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=1/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

Results
     MS Data                     2054 1534095365 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

Hint for advanced users: dmsetup may be used if you prefer to avoid rewriting the partition table for the moment:
echo "0 1534093312 linear /dev/sdc 2054" | dmsetup create test0
echo "0 419428352 linear /dev/sdc 1534095358" | dmsetup create test1
Failed to open $MFT/$BITMAP: No such file or directory
Failed to load $MFT: No such file or directory
Failed to open $MFT/$BITMAP: No such file or directory
Failed to load $MFT: No such file or directory
Failed to open $MFT/$BITMAP: No such file or directory
Failed to load $MFT: No such file or directory
Failed to open $MFT/$BITMAP: No such file or directory
Failed to load $MFT: No such file or directory
ntfs_device_testdisk_io_ioctl() unimplemented
ntfs_device_testdisk_io_ioctl() unimplemented

     MS Data                     2054 1534095365 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
Can't open filesystem. Filesystem seems damaged.
gpt_change_part_type
Change partition type:
     MS Data                     2054 1534095365 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
Change partition type:
     NTFS                        2054 1534095365 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
ntfs_device_testdisk_io_ioctl() unimplemented
ntfs_device_testdisk_io_ioctl() unimplemented

     MS Data                     2054 1534095365 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
Can't open filesystem. Filesystem seems damaged.

interface_write()
 
No partition found or selected for recovery

search_part()
Disk /dev/sdc - 1000 GB / 931 GiB - CHS 121601 255 63
NTFS at 0/32/39
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
NTFS part_offset=1051648, part_size=785455775744, sector_size=512
NTFS partition cannot be added (part_offset<part_size).
NTFS at 0/32/39
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
     MS Data                     2054 1534095365 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
NTFS at 0/32/43
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
NTFS part_offset=1053696, part_size=785455775744, sector_size=512
NTFS partition cannot be added (part_offset<part_size).
NTFS at 0/32/43
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
     MS Data                     2058 1534095369 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
NTFS at 26315/21/13
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
NTFS part_offset=216448926720, part_size=785455775744, sector_size=512
NTFS partition cannot be added (part_offset<part_size).
NTFS at 26315/21/13
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
     MS Data                422751810 1956845121 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
This partition ends after the disk limits. (start=422751810, size=1534093312, end=1956845121, disk end=1953525168)

LVM magic value at 28242/176/36
       0 0000 0000 00 00 00 00 00 00 00 00
     Unknown                492949354 1739269562 1246320209
     FATX, 638 GB / 594 GiB
       0 0000 0000 00 00 00 00 00 00 00 00
Partition not added.

LVM magic value at 31015/193/61

HFS magic value at 33115/111/31
part_size 14303236
     Mac HFS                531999498  546302733   14303236
     HFS blocksize=131072, 7323 MB / 6984 MiB

HFS magic value at 33115/111/33
part_size 14303236
     Mac HFS                517696266  531999501   14303236
     HFS found using backup sector!, 7323 MB / 6984 MiB

HFS magic value at 33115/113/36
part_size 14303236
     Mac HFS                531999629  546302864   14303236
     HFS blocksize=131072, 7323 MB / 6984 MiB

HFS magic value at 33115/113/38
part_size 14303236
     Mac HFS                517696397  531999632   14303236
     HFS found using backup sector!, 7323 MB / 6984 MiB

HFS magic value at 33115/115/12
part_size 14303236
     Mac HFS                531999731  546302966   14303236
     HFS blocksize=131072, 7323 MB / 6984 MiB

HFS magic value at 33115/115/14
part_size 14303236
     Mac HFS                517696499  531999734   14303236
     HFS found using backup sector!, 7323 MB / 6984 MiB

recover_EXT2: s_block_group_nr=0/1199, s_mnt_count=483/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 39321344
recover_EXT2: part_size 314570752
Filesystem created: Wed Oct 26 14:39:50 2016
Last mount time:    Mon Feb 26 01:52:21 2018
     Linux filesys. data    686208720 1000779471  314570752
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 161 GB / 149 GiB

recover_EXT2: s_block_group_nr=0/1199, s_mnt_count=483/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 39321344
recover_EXT2: part_size 314570752
Filesystem created: Wed Oct 26 14:39:50 2016
Last mount time:    Mon Feb 26 01:52:21 2018
     Linux filesys. data    686209136 1000779887  314570752
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 161 GB / 149 GiB

recover_EXT2: s_block_group_nr=0/1199, s_mnt_count=483/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 39321344
recover_EXT2: part_size 314570752
Filesystem created: Wed Oct 26 14:39:50 2016
Last mount time:    Mon Feb 26 01:52:21 2018
     Linux filesys. data    686210248 1000780999  314570752
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 161 GB / 149 GiB

recover_EXT2: s_block_group_nr=0/1199, s_mnt_count=483/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 39321344
recover_EXT2: part_size 314570752
Filesystem created: Wed Oct 26 14:39:50 2016
Last mount time:    Mon Feb 26 01:52:21 2018
     Linux filesys. data    686210336 1000781087  314570752
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 161 GB / 149 GiB

recover_EXT2: s_block_group_nr=0/1199, s_mnt_count=483/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 39321344
recover_EXT2: part_size 314570752
Filesystem created: Wed Oct 26 14:39:50 2016
Last mount time:    Mon Feb 26 01:52:21 2018
     Linux filesys. data    686210432 1000781183  314570752
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 161 GB / 149 GiB

recover_EXT2: s_block_group_nr=0/1199, s_mnt_count=483/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 39321344
recover_EXT2: part_size 314570752
Filesystem created: Wed Oct 26 14:39:50 2016
Last mount time:    Mon Feb 26 01:52:21 2018
     Linux filesys. data    686210664 1000781415  314570752
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 161 GB / 149 GiB

recover_EXT2: s_block_group_nr=0/1199, s_mnt_count=483/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 39321344
recover_EXT2: part_size 314570752
Filesystem created: Wed Oct 26 14:39:50 2016
Last mount time:    Mon Feb 26 01:52:21 2018
     Linux filesys. data    686210800 1000781551  314570752
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 161 GB / 149 GiB

recover_EXT2: s_block_group_nr=0/1199, s_mnt_count=483/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 39321344
recover_EXT2: part_size 314570752
Filesystem created: Wed Oct 26 14:39:50 2016
Last mount time:    Mon Feb 26 01:52:21 2018
     Linux filesys. data    686210960 1000781711  314570752
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 161 GB / 149 GiB

recover_EXT2: s_block_group_nr=0/1199, s_mnt_count=483/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 39321344
recover_EXT2: part_size 314570752
Filesystem created: Wed Oct 26 14:39:50 2016
Last mount time:    Mon Feb 26 01:52:21 2018
     Linux filesys. data    686211144 1000781895  314570752
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 161 GB / 149 GiB

recover_EXT2: s_block_group_nr=0/1199, s_mnt_count=483/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 39321344
recover_EXT2: part_size 314570752
Filesystem created: Wed Oct 26 14:39:50 2016
Last mount time:    Mon Feb 26 01:52:21 2018
     Linux filesys. data    686211224 1000781975  314570752
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 161 GB / 149 GiB

LVM magic value at 47112/43/11
NTFS at 47747/12/16
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
NTFS part_offset=392732838912, part_size=785455775744, sector_size=512
NTFS partition cannot be added (part_offset<part_size).
NTFS at 47747/12/16
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
     MS Data                767056326 2301149637 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
This partition ends after the disk limits. (start=767056326, size=1534093312, end=2301149637, disk end=1953525168)
NTFS at 47813/142/10
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
NTFS part_offset=393279897600, part_size=785455775744, sector_size=512
NTFS partition cannot be added (part_offset<part_size).
NTFS at 47813/142/10
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
     MS Data                768124800 2302218111 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
This partition ends after the disk limits. (start=768124800, size=1534093312, end=2302218111, disk end=1953525168)
       0 0000 0000 00 00 00 00 00 00 00 00
     Unknown                771615306 2017935514 1246320209
     FATX, 638 GB / 594 GiB
       0 0000 0000 00 00 00 00 00 00 00 00
Partition not added.
check_FAT: Bad jump in FAT partition

LVM magic value at 70718/153/24

LVM magic value at 81910/8/14
NTFS at 95493/4/63
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
     MS Data                     2048 1534095359 1534093312
     NTFS found using backup sector, blocksize=16384, 785 GB / 731 GiB
NTFS at 95493/4/63
filesystem size           1534093312
sectors_per_cluster       32
mft_lcn                   128
mftmirr_lcn               23970208
clusters_per_mft_record   -10
clusters_per_index_record -12
     MS Data               1534095359 3068188670 1534093312
     NTFS, blocksize=16384, 785 GB / 731 GiB
This partition ends after the disk limits. (start=1534095359, size=1534093312, end=3068188670, disk end=1953525168)

recover_EXT2: s_block_group_nr=0/1599, s_mnt_count=4/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Tue Mar 30 14:09:49 2021
     Linux filesys. data   1534095360 1953523711  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB, 214 GB / 199 GiB

block_group_nr 1

recover_EXT2: "e2fsck -b 32768 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=1/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 1

recover_EXT2: "e2fsck -b 32768 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=1/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095360 1953523711  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 3

recover_EXT2: "e2fsck -b 98304 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 3

recover_EXT2: "e2fsck -b 98304 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095360 1953523711  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 5

recover_EXT2: "e2fsck -b 163840 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=5/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 5

recover_EXT2: "e2fsck -b 163840 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=5/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095360 1953523711  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 7

recover_EXT2: "e2fsck -b 229376 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=7/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 7

recover_EXT2: "e2fsck -b 229376 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=7/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095360 1953523711  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 9

recover_EXT2: "e2fsck -b 294912 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=9/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 9

recover_EXT2: "e2fsck -b 294912 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=9/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095360 1953523711  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB
       0 0000 0000 00 00 00 00 00 00 00 00
     Unknown               1537601911 21825057956436950 21825056418835040 [8t65X4q6PuM+C+JSnGbdX09sdWCypx
]
     BeFS blocksize=16384, 11174428 TB / 10163083 TiB
       0 0000 0000 00 00 00 00 00 00 00 00
Partition not added.

block_group_nr 25

recover_EXT2: "e2fsck -b 819200 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=25/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 25

recover_EXT2: "e2fsck -b 819200 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=25/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095360 1953523711  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 27

recover_EXT2: "e2fsck -b 884736 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=27/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 27

recover_EXT2: "e2fsck -b 884736 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=27/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095360 1953523711  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 49

recover_EXT2: "e2fsck -b 1605632 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=49/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 49

recover_EXT2: "e2fsck -b 1605632 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=49/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095360 1953523711  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 81

recover_EXT2: "e2fsck -b 2654208 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=81/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 52428544
recover_EXT2: part_size 419428352
Filesystem created: Thu Apr  2 18:51:24 2020
Last mount time:    Sun Nov 22 20:59:49 2020
     Linux filesys. data   1534095358 1953523709  419428352 [Backup Linux]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 214 GB / 199 GiB

block_group_nr 81

recover_EXT2: "e2fsck -b 2654208 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=81/1599, s_mnt_count=0/4294967295, s_blocks_per_group=32768,

recuperation
Posts: 2719
Joined: 04 Jan 2019, 09:48
Location: Hannover, Deutschland (Germany, Allemagne)

Re: Lost partition from external drive

#2 Post by recuperation »

Please use the latest version7.2 WIP and rerun under admin rights and post that log file.
Your log is showing some strange errors I have never seen before:
ntfs_device_testdisk_io_ioctl() unimplemented
ntfs_device_testdisk_io_ioctl() unimplemented

Locked