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AnalyzeLog

Analyse Disk /dev/sda - 2000 GB / 1863 GiB - CHS 243201 255 63
recover_EXT2: "e2fsck -b 98304 -B 4096 device" may be needed
Filesystem created: Sun Sep 20 08:26:41 2020
Current partition structure:
   P ext4                     0   0  1 243201  80 63 3907029168 [Photo]

search_part()
Disk /dev/sda - 2000 GB / 1863 GiB - CHS 243201 255 63

block_group_nr 1

recover_EXT2: part_offset problem

block_group_nr 1

recover_EXT2: "e2fsck -b 32768 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=1/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

Results
   P ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

Hint for advanced users: dmsetup may be used if you prefer to avoid rewriting the partition table for the moment:
echo "0 3907029168 linear /dev/sda 0" | dmsetup create test0

interface_write()
   P ext4                     0   0  1 243201  80 63 3907029168 [Photo]
 
Write isn't available because the partition table type "None" has been selected.

search_part()
Disk /dev/sda - 2000 GB / 1863 GiB - CHS 243201 255 63

block_group_nr 1

recover_EXT2: part_offset problem

block_group_nr 1

recover_EXT2: "e2fsck -b 32768 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=1/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 3

recover_EXT2: part_offset problem

block_group_nr 3

recover_EXT2: "e2fsck -b 98304 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 5

recover_EXT2: part_offset problem

block_group_nr 5

recover_EXT2: "e2fsck -b 163840 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=5/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 7

recover_EXT2: part_offset problem

block_group_nr 7

recover_EXT2: "e2fsck -b 229376 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=7/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 9

recover_EXT2: part_offset problem

block_group_nr 9

recover_EXT2: "e2fsck -b 294912 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=9/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 25

recover_EXT2: part_offset problem

block_group_nr 25

recover_EXT2: "e2fsck -b 819200 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=25/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 27

recover_EXT2: part_offset problem

block_group_nr 27

recover_EXT2: "e2fsck -b 884736 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=27/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 49

recover_EXT2: part_offset problem

block_group_nr 49

recover_EXT2: "e2fsck -b 1605632 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=49/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 81

recover_EXT2: part_offset problem

block_group_nr 81

recover_EXT2: "e2fsck -b 2654208 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=81/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 125

recover_EXT2: part_offset problem

block_group_nr 125

recover_EXT2: "e2fsck -b 4096000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=125/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

LVM magic value at 3234/121/13

block_group_nr 243

recover_EXT2: part_offset problem

block_group_nr 243

recover_EXT2: "e2fsck -b 7962624 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=243/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 343

recover_EXT2: part_offset problem

block_group_nr 343

recover_EXT2: "e2fsck -b 11239424 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=343/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 625

recover_EXT2: part_offset problem

block_group_nr 625

recover_EXT2: "e2fsck -b 20480000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=625/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 729

recover_EXT2: part_offset problem

block_group_nr 729

recover_EXT2: "e2fsck -b 23887872 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=729/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB
check_FAT: Bad jump in FAT partition
check_FAT: Bad jump in FAT partition

block_group_nr 2187

recover_EXT2: part_offset problem

block_group_nr 2187

recover_EXT2: "e2fsck -b 71663616 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=2187/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

block_group_nr 2401

recover_EXT2: part_offset problem

block_group_nr 2401

recover_EXT2: "e2fsck -b 78675968 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=2401/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB
check_FAT: Bad jump in FAT partition

block_group_nr 3125

recover_EXT2: part_offset problem

block_group_nr 3125

recover_EXT2: "e2fsck -b 102400000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3125/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

LVM magic value at 68626/186/49

LVM magic value at 76995/86/41

block_group_nr 6561

recover_EXT2: part_offset problem

block_group_nr 6561

recover_EXT2: "e2fsck -b 214990848 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=6561/14904, 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 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
     ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=25/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Thu Jan 21 17:17:16 2021
     ext4                 121420  19 32 364621 100 31 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950613528, size=3907029168, end=5857642695, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=13/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Thu Oct 29 11:00:08 2020
     ext4                 121422 173 40 364623 254 39 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950655368, size=3907029168, end=5857684535, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=13/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Thu Oct 29 11:00:08 2020
     ext4                 121423 114 44 364624 195 43 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950667720, size=3907029168, end=5857696887, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121425  30  6 364626 111  5 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950694520, size=3907029168, end=5857723687, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121425  32 16 364626 113 15 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950694656, size=3907029168, end=5857723823, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121425  34 34 364626 115 33 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950694800, size=3907029168, end=5857723967, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121425  46 38 364626 127 37 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950695560, size=3907029168, end=5857724727, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121425  48  8 364626 129  7 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950695656, size=3907029168, end=5857724823, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121425  49 25 364626 130 24 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950695736, size=3907029168, end=5857724903, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121425  50 58 364626 131 57 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950695832, size=3907029168, end=5857724999, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121425 246 14 364627  72 13 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950708136, size=3907029168, end=5857737303, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121426 216  7 364628  42  6 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950722304, size=3907029168, end=5857751471, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121426 218 33 364628  44 32 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950722456, size=3907029168, end=5857751623, disk end=3907029168)

recover_EXT2: s_block_group_nr=0/14904, s_mnt_count=3/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 488378646
recover_EXT2: part_size 3907029168
Filesystem created: Sun Sep 20 08:26:41 2020
Last mount time:    Sun Sep 20 14:59:06 2020
     ext4                 121426 243 34 364628  69 33 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
This partition ends after the disk limits. (start=1950724032, size=3907029168, end=5857753199, disk end=3907029168)
Disk /dev/sda - 2000 GB / 1863 GiB - CHS 243201 255 63
Check the harddisk size: HD jumper settings, BIOS detection...
The harddisk (2000 GB / 1863 GiB) seems too small! (< 2999 GB / 2793 GiB)
The following partitions can't be recovered:
     ext4                 121420  19 32 364621 100 31 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121422 173 40 364623 254 39 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121423 114 44 364624 195 43 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121425  30  6 364626 111  5 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121425  32 16 364626 113 15 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121425  34 34 364626 115 33 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121425  46 38 364626 127 37 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121425  48  8 364626 129  7 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121425  49 25 364626 130 24 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121425  50 58 364626 131 57 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121425 246 14 364627  72 13 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121426 216  7 364628  42  6 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121426 218 33 364628  44 32 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB
     ext4                 121426 243 34 364628  69 33 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Recover, 2000 GB / 1863 GiB

Results
   P ext4                     0   0  1 243201  80 63 3907029168 [Photo]
     ext4 blocksize=4096 Large_file Sparse_SB Backup_SB, 2000 GB / 1863 GiB

Hint for advanced users: dmsetup may be used if you prefer to avoid rewriting the partition table for the moment:
echo "0 3907029168 linear /dev/sda 0" | dmsetup create test0

interface_write()
   P ext4                     0   0  1 243201  80 63 3907029168 [Photo]
 
Write isn't available because the partition table type "None" has been selected.

TestDisk exited normally.