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How to use TestDisk to recover lost partition
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Message
Author
anapodos
Posts: 17
Joined: 09 Jun 2014, 23:08

Unable to recover partition

#1 Post by anapodos »

Hi there. First post on this forum and unfortunately i need your help.
The problem is that today i disconnected a hard drive from power without unmounting it. This isn't the first time so i didn't worried too much but after i connected the hdd again i can't access the partition. Gparted says that it's unallocated space and i can do nothing.

So i installed testdisk scanned for partitions but nothing there. I also did a deeper scan but still nothing. When it analyses the cylinder i get these results where Downloads was the mount name for the partition.
Image
After the deeper scan finishes i get this screen
Image

The output of the fdisk -l command for the hdd is

Code: Select all

kostas@kostas:~$ sudo fdisk -l /dev/sdd
[sudo] password for kostas: 

Disk /dev/sdd: 1000.2 GB, 1000204886016 bytes
224 heads, 19 sectors/track, 459004 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x23342335

   Device Boot      Start         End      Blocks   Id  System
/dev/sdd1   *        2048      206847      102400    7  HPFS/NTFS/exFAT
kostas@kostas:~$ 
Also the log of the testdisk is the following:

Code: Select all


Mon Jun  9 16:14:23 2014
Command line: TestDisk

TestDisk 6.14, Data Recovery Utility, July 2013
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Linux, kernel 3.13.0-24-generic (#47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014) x86_64
Compiler: GCC 4.8
Compilation date: 2013-10-29T01:29:29
ext2fs lib: 1.42.9, ntfs lib: libntfs-3g, reiserfs lib: none, ewf lib: none
User is not root!
Hard disk list
Disk /dev/sda - 400 GB / 372 GiB - CHS 48641 255 63, sector size=512 - WDC WD4000AAKS-00TMA0, S/N:WD-WCAPW1513407, FW:12.01C01
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121601 255 63, sector size=512 - WDC WD1001FALS-00J7B0, S/N:WD-WMATV0452537, FW:05.00K05
Disk /dev/sdc - 1000 GB / 931 GiB - CHS 121601 255 63, sector size=512 - WDC WD10EADS-00P8B0, S/N:WD-WCAVU0237174, FW:01.00A01
Disk /dev/sdd - 1000 GB / 931 GiB - CHS 121601 255 63, sector size=512 - WDC WD10EZEX-00ZF5A0, S/N:WD-WMC1S2520330, FW:80.00A80
Disk /dev/sde - 320 GB / 298 GiB - CHS 38913 255 63, sector size=512 - WDC WD3200JB-00KFA0, S/N:WD-WCAMR2440125, FW:08.05J08

Partition table type (auto): None
Partition table type (auto): Intel
Partition table type (auto): Intel
Partition table type (auto): Intel
Partition table type (auto): Intel
Partition table type (auto): None
Disk /dev/sdd - 1000 GB / 931 GiB - WDC WD10EZEX-00ZF5A0
Partition table type: Intel

Analyse Disk /dev/sdd - 1000 GB / 931 GiB - CHS 121601 255 63
Geometry from i386 MBR: head=224 sector=19
check_part_i386 failed for partition type 07
Current partition structure:
Invalid NTFS or EXFAT boot
 1 * HPFS - NTFS              0  32 33    12 223 19     204800
 1 * HPFS - NTFS              0  32 33    12 223 19     204800

search_part()
Disk /dev/sdd - 1000 GB / 931 GiB - CHS 121601 255 63

block_group_nr 1

recover_EXT2: "e2fsck -b 32768 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=1/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 3

recover_EXT2: "e2fsck -b 98304 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 5

recover_EXT2: "e2fsck -b 163840 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=5/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 7

recover_EXT2: "e2fsck -b 229376 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=7/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 9

recover_EXT2: "e2fsck -b 294912 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=9/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 25

recover_EXT2: "e2fsck -b 819200 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=25/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 27

recover_EXT2: "e2fsck -b 884736 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=27/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 49

recover_EXT2: "e2fsck -b 1605632 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=49/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 81

recover_EXT2: "e2fsck -b 2654208 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=81/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 125

recover_EXT2: "e2fsck -b 4096000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=125/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 243

recover_EXT2: "e2fsck -b 7962624 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=243/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 343

recover_EXT2: "e2fsck -b 11239424 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=343/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 625

recover_EXT2: "e2fsck -b 20480000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=625/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 729

recover_EXT2: "e2fsck -b 23887872 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=729/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 2187

recover_EXT2: "e2fsck -b 71663616 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=2187/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 2401

recover_EXT2: "e2fsck -b 78675968 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=2401/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

HFS magic value at 42220/8/29
part_size 34192
     HFS                  42220   8 29 42222  41 11      34192 [QuickTime Installer]
     HFS blocksize=512, 17 MB / 16 MiB

block_group_nr 3125

recover_EXT2: "e2fsck -b 102400000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3125/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 6561

recover_EXT2: "e2fsck -b 214990848 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=6561/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

Results
   * HFS                  42220   8 29 42222  51  5      34816 [QuickTime Installer]
     HFS blocksize=512, 17 MB / 17 MiB

interface_write()
 1 * HFS                  42220   8 29 42222  51  5      34816 [QuickTime Installer]

search_part()
Disk /dev/sdd - 1000 GB / 931 GiB - CHS 121601 255 63
NTFS at 12/223/19
filesystem size           204800
sectors_per_cluster       8
mft_lcn                   8533
mftmirr_lcn               2
clusters_per_mft_record   -10
clusters_per_index_record 1
     HPFS - NTFS              0  32 33    12 223 19     204800 [System Reserved]
     NTFS found using backup sector, blocksize=4096, 104 MB / 100 MiB

block_group_nr 1

recover_EXT2: "e2fsck -b 32768 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=1/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 3

recover_EXT2: "e2fsck -b 98304 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 5

recover_EXT2: "e2fsck -b 163840 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=5/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 7

recover_EXT2: "e2fsck -b 229376 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=7/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 9

recover_EXT2: "e2fsck -b 294912 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=9/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 25

recover_EXT2: "e2fsck -b 819200 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=25/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 27

recover_EXT2: "e2fsck -b 884736 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=27/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 49

recover_EXT2: "e2fsck -b 1605632 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=49/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 81

recover_EXT2: "e2fsck -b 2654208 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=81/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 125

recover_EXT2: "e2fsck -b 4096000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=125/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 243

recover_EXT2: "e2fsck -b 7962624 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=243/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 343

recover_EXT2: "e2fsck -b 11239424 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=343/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 625

recover_EXT2: "e2fsck -b 20480000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=625/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 729

recover_EXT2: "e2fsck -b 23887872 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=729/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 2187

recover_EXT2: "e2fsck -b 71663616 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=2187/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 2401

recover_EXT2: "e2fsck -b 78675968 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=2401/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

HFS magic value at 42220/8/29
part_size 34192
     HFS                  42220   8 29 42222  41 11      34192 [QuickTime Installer]
     HFS blocksize=512, 17 MB / 16 MiB

block_group_nr 3125

recover_EXT2: "e2fsck -b 102400000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3125/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 6561

recover_EXT2: "e2fsck -b 214990848 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=6561/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

Results
   * HPFS - NTFS              0  32 33    12 223 19     204800 [System Reserved]
     NTFS found using backup sector, blocksize=4096, 104 MB / 100 MiB
   P HFS                  42220   8 29 42222  51  5      34816 [QuickTime Installer]
     HFS blocksize=512, 17 MB / 17 MiB

   P HFS                  42220   8 29 42222  51  5      34816 [QuickTime Installer]
     HFS blocksize=512, 17 MB / 17 MiB
Support for this filesystem hasn't been enable during compilation.

interface_write()
 1 * HPFS - NTFS              0  32 33    12 223 19     204800 [System Reserved]
 2 P HFS                  42220   8 29 42222  51  5      34816 [QuickTime Installer]
NTFS signature is missing.
NTFS signature is missing.
simulate write!

write_mbr_i386: starting...
write_all_log_i386: starting...
No extended partition

Interface Advanced
Geometry from i386 MBR: head=224 sector=19
check_part_i386 failed for partition type 07
 1 * HPFS - NTFS              0  32 33    12 223 19     204800
Not an exFAT boot sector.

 1 * HPFS - NTFS              0  32 33    12 223 19     204800
Can't open filesystem. Filesystem seems damaged.
New options :
 Dump : No
 Align partition: Yes
 Expert mode : No

TestDisk exited normally.

Please help me as i don't want to lose the data.
The partition is ext4 filesystem and i run Ubuntu 14.04

User avatar
Fiona
Posts: 2835
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: Unable to recover partition

#2 Post by Fiona »

Currently, there is only one small NTFS-Partition in your partition table.
Current partition structure:
Invalid NTFS or EXFAT boot
1 * HPFS - NTFS 0 32 33 12 223 19 204800
1 * HPFS - NTFS 0 32 33 12 223 19 204800
Your remaining diskspace appears as unallocated.
Please run Deeper Search!
TestDisk might display partitions using the backup of your superblock.
You can mark them and press p to have a try to list your files.
Please let me know.

Fiona

anapodos
Posts: 17
Joined: 09 Jun 2014, 23:08

Re: Unable to recover partition

#3 Post by anapodos »

As i wrote in the first post i already did a deeper scan and this was the final result.
Is there any way to recover the partition? Should i do again a deeper scan?

In the log of the testdisk it mentions the following:
recover_EXT2: "e2fsck -b 32768 -B 4096 device" may be needed

Is it safe to run this command?
Also when i choose the hdd with the lost partition it is recognizes by tesdisk by none. I have to manually set it to intel partition.
Image

User avatar
Fiona
Posts: 2835
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: Unable to recover partition

#4 Post by Fiona »

Is it safe to run this command?
Actually, under windows I don't recommend chkdsk without backup.
It's a utility to have a try to repair a file system.
Datarecovery is different and I prefer not to change/modify anything to a file system.
But it's for me difficult to judge, because I'm not as much a Linux tech savvy.
Most cases I've seen, it was possible and sometimes files were found in lost+found folder.
Easily, I can't judge it!

Before you can run fsck you need an appropriate and valid partition in your partition table.
Currently there is no Ext4-partition but unallocated space only.
Some info:
http://www.cgsecurity.org/wiki/Advanced ... SuperBlock
If you use partition table type None, you can't write any partition into your partition table.
That's why partition table type Intel and Deeper Search is recommended.
If partitions are found, please try to list your data.
Please copy and paste the content of your testdisk.log.

Fiona

anapodos
Posts: 17
Joined: 09 Jun 2014, 23:08

Re: Unable to recover partition

#5 Post by anapodos »

I made the analyse again but still no luck. I choose intel partition and made again a deeper scan. Here is the output of testdisk.

Code: Select all


Tue Jun 10 12:37:28 2014
Command line: TestDisk

TestDisk 6.14, Data Recovery Utility, July 2013
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Linux, kernel 3.13.0-24-generic (#47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014) x86_64
Compiler: GCC 4.8
Compilation date: 2013-10-29T01:29:29
ext2fs lib: 1.42.9, ntfs lib: libntfs-3g, reiserfs lib: none, ewf lib: none
/dev/sda: LBA, HPA, LBA48, DCO support
/dev/sda: size       781420655 sectors
/dev/sda: user_max   781420655 sectors
/dev/sda: native_max 781422768 sectors
/dev/sda: dco        781422768 sectors
/dev/sdb: LBA, HPA, LBA48, DCO support
/dev/sdb: size       1953525168 sectors
/dev/sdb: user_max   1953525168 sectors
/dev/sdb: native_max 1953525168 sectors
/dev/sdb: dco        1953525168 sectors
/dev/sdc: LBA, HPA, LBA48, DCO support
/dev/sdc: size       1953525168 sectors
/dev/sdc: user_max   1953525168 sectors
/dev/sdc: native_max 1953525168 sectors
/dev/sdc: dco        1953525168 sectors
/dev/sdd: LBA, HPA, LBA48, DCO support
/dev/sdd: size       1953525168 sectors
/dev/sdd: user_max   1953525168 sectors
/dev/sdd: native_max 1953525168 sectors
/dev/sdd: dco        1953525168 sectors
/dev/sde: LBA, HPA, LBA48, DCO support
/dev/sde: size       625142448 sectors
/dev/sde: user_max   625142448 sectors
/dev/sde: native_max 625142448 sectors
/dev/sde: dco        625142448 sectors
Warning: can't get size for Disk /dev/mapper/control - 0 B - 1 sectors, sector size=512
Hard disk list
Disk /dev/sda - 400 GB / 372 GiB - CHS 48641 255 63, sector size=512 - WDC WD4000AAKS-00TMA0, S/N:WD-WCAPW1513407, FW:12.01C01
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121601 255 63, sector size=512 - WDC WD1001FALS-00J7B0, S/N:WD-WMATV0452537, FW:05.00K05
Disk /dev/sdc - 1000 GB / 931 GiB - CHS 121601 255 63, sector size=512 - WDC WD10EADS-00P8B0, S/N:WD-WCAVU0237174, FW:01.00A01
Disk /dev/sdd - 1000 GB / 931 GiB - CHS 121601 255 63, sector size=512 - WDC WD10EZEX-00ZF5A0, S/N:WD-WMC1S2520330, FW:80.00A80
Disk /dev/sde - 320 GB / 298 GiB - CHS 38913 255 63, sector size=512 - WDC WD3200JB-00KFA0, S/N:WD-WCAMR2440125, FW:08.05J08

Partition table type (auto): None
Disk /dev/sdd - 1000 GB / 931 GiB - WDC WD10EZEX-00ZF5A0
Partition table type: Intel

Analyse Disk /dev/sdd - 1000 GB / 931 GiB - CHS 121601 255 63
Geometry from i386 MBR: head=224 sector=19
check_part_i386 failed for partition type 07
Current partition structure:
Invalid NTFS or EXFAT boot
 1 * HPFS - NTFS              0  32 33    12 223 19     204800
 1 * HPFS - NTFS              0  32 33    12 223 19     204800

search_part()
Disk /dev/sdd - 1000 GB / 931 GiB - CHS 121601 255 63

block_group_nr 1

recover_EXT2: "e2fsck -b 32768 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=1/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 3

recover_EXT2: "e2fsck -b 98304 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 5

recover_EXT2: "e2fsck -b 163840 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=5/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 7

recover_EXT2: "e2fsck -b 229376 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=7/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 9

recover_EXT2: "e2fsck -b 294912 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=9/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 25

recover_EXT2: "e2fsck -b 819200 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=25/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 27

recover_EXT2: "e2fsck -b 884736 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=27/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 49

recover_EXT2: "e2fsck -b 1605632 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=49/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 81

recover_EXT2: "e2fsck -b 2654208 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=81/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 125

recover_EXT2: "e2fsck -b 4096000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=125/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 243

recover_EXT2: "e2fsck -b 7962624 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=243/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 343

recover_EXT2: "e2fsck -b 11239424 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=343/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 625

recover_EXT2: "e2fsck -b 20480000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=625/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 729

recover_EXT2: "e2fsck -b 23887872 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=729/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 2187

recover_EXT2: "e2fsck -b 71663616 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=2187/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 2401

recover_EXT2: "e2fsck -b 78675968 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=2401/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

HFS magic value at 42220/8/29
part_size 34192
     HFS                  42220   8 29 42222  41 11      34192 [QuickTime Installer]
     HFS blocksize=512, 17 MB / 16 MiB

block_group_nr 3125

recover_EXT2: "e2fsck -b 102400000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3125/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 6561

recover_EXT2: "e2fsck -b 214990848 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=6561/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

Results
   * HFS                  42220   8 29 42222  51  5      34816 [QuickTime Installer]
     HFS blocksize=512, 17 MB / 17 MiB

interface_write()
 1 * HFS                  42220   8 29 42222  51  5      34816 [QuickTime Installer]

search_part()
Disk /dev/sdd - 1000 GB / 931 GiB - CHS 121601 255 63
NTFS at 12/223/19
filesystem size           204800
sectors_per_cluster       8
mft_lcn                   8533
mftmirr_lcn               2
clusters_per_mft_record   -10
clusters_per_index_record 1
     HPFS - NTFS              0  32 33    12 223 19     204800 [System Reserved]
     NTFS found using backup sector, blocksize=4096, 104 MB / 100 MiB

block_group_nr 1

recover_EXT2: "e2fsck -b 32768 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=1/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 3

recover_EXT2: "e2fsck -b 98304 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 5

recover_EXT2: "e2fsck -b 163840 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=5/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 7

recover_EXT2: "e2fsck -b 229376 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=7/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 9

recover_EXT2: "e2fsck -b 294912 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=9/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 25

recover_EXT2: "e2fsck -b 819200 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=25/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 27

recover_EXT2: "e2fsck -b 884736 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=27/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 49

recover_EXT2: "e2fsck -b 1605632 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=49/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 81

recover_EXT2: "e2fsck -b 2654208 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=81/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 125

recover_EXT2: "e2fsck -b 4096000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=125/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 243

recover_EXT2: "e2fsck -b 7962624 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=243/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 343

recover_EXT2: "e2fsck -b 11239424 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=343/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 625

recover_EXT2: "e2fsck -b 20480000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=625/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 729

recover_EXT2: "e2fsck -b 23887872 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=729/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 2187

recover_EXT2: "e2fsck -b 71663616 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=2187/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 2401

recover_EXT2: "e2fsck -b 78675968 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=2401/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

HFS magic value at 42220/8/29
part_size 34192
     HFS                  42220   8 29 42222  41 11      34192 [QuickTime Installer]
     HFS blocksize=512, 17 MB / 16 MiB

block_group_nr 3125

recover_EXT2: "e2fsck -b 102400000 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=3125/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

block_group_nr 6561

recover_EXT2: "e2fsck -b 214990848 -B 4096 device" may be needed
recover_EXT2: s_block_group_nr=6561/7452, s_mnt_count=245/4294967295, s_blocks_per_group=32768, s_inodes_per_group=8192
recover_EXT2: s_blocksize=4096
recover_EXT2: s_blocks_count 244190646
recover_EXT2: part_size 1953525168
     Linux                    0   0  1 121601  80 63 1953525168 [Downloads]
     ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.

Results
   * HPFS - NTFS              0  32 33    12 223 19     204800 [System Reserved]
     NTFS found using backup sector, blocksize=4096, 104 MB / 100 MiB
   P HFS                  42220   8 29 42222  51  5      34816 [QuickTime Installer]
     HFS blocksize=512, 17 MB / 17 MiB

interface_write()
 1 * HPFS - NTFS              0  32 33    12 223 19     204800 [System Reserved]
 2 P HFS                  42220   8 29 42222  51  5      34816 [QuickTime Installer]
simulate write!

write_mbr_i386: starting...
write_all_log_i386: starting...
No extended partition

TestDisk exited normally.
Do i have to forget the data or there is still hope?

User avatar
Fiona
Posts: 2835
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: Unable to recover partition

#6 Post by Fiona »

Do i have to forget the data or there is still hope?
There will be always hope!
I've got all info about your Linux Linux partition.
Even the label Download is still available.
So it might be possible to add your Linux partition manually.
Here are the info:
Linux 0 0 1 121601 80 63 1953525168 [Downloads]
ext4 blocksize=4096 Large file Sparse superblock Backup superblock, 1000 GB / 931 GiB
Partition not added.
Also it's possible to use datarecovery software reading your underlying data in your sectors.

I'll be back tomorrow in the morning!

Fiona

anapodos
Posts: 17
Joined: 09 Jun 2014, 23:08

Re: Unable to recover partition

#7 Post by anapodos »

The hard disk had only one partition in ext4 filesystem. Nothing else and i am absolutely sure for this.
I don't know if that helps but i felt that i had to write it.

I am still here waiting for your help.

User avatar
Fiona
Posts: 2835
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: Unable to recover partition

#8 Post by Fiona »

Your ext4-partition is not Intel-MBR standard and starts too early.
Values are:
0 0 1 121601 80 63 1953525168 [Downloads]
Zero should be one!

There would be a possibiltiy to add your partition manually?
If you run Quick Search, you can stop it and press a for add.

You could enter the values as followed.

[ Cylinders ] [ Heads ] [ Sectors ] [ Cylinders ] [ Heads ] [ Sectors ] [ Type ] [ Done ]
......0.............0..........1...........121601.......80...........63.........83....[Enter]
The value 83 is for Linux partitions (ext2/3/4)

Please note, if "Quick Search" already found some windows partitions you should mark and set them to D for deleted and if D doesn't appear, please set it to white color.
Otherwise partitions could overlap.

If you press enter, you can use Write to write your partition into your partition table.
If you'd like to run fsck, you should follow the procedure as recommended here;
http://www.cgsecurity.org/wiki/Advanced ... SuperBlock

If you have a Linux-partition in your partition table, you can run testdisk / "Advanced / Superblock" to get the values as described in my link above to run fsck with an appropriate value of a backup of your superblock.

Please note:
Adding a partition into your partition table, doesn't touch any (underlying) data within your partition.
It'll be written into your partition table and MBR.
The MBR is only 512 bytes and it's the first executable sector of a disk.

Fiona

Fiona

anapodos
Posts: 17
Joined: 09 Jun 2014, 23:08

Re: Unable to recover partition

#9 Post by anapodos »

I have pressed a to add a partition, then entered the values you provided except the cylinders value. It allows only 121600 as maximum value as you can see in the picture.
Image
I pressed enter and the partition is not added. This is the next screen that i see.
Image
Also i don't see any write option.
Did i did anything wrong?

I noticed that if i start testdisk and select none for the partition then in the advanced option i see this:
Image

I can also list files so the hope returned for now.
Image

What do i have to do now to recover successfully the partition?

User avatar
Fiona
Posts: 2835
Joined: 18 Feb 2012, 17:19
Location: Ludwigsburg/Stuttgart - Germany

Re: Unable to recover partition

#10 Post by Fiona »

Since Vista, Microsoft partitions are aligned to megabyte boundaries.
Intel partitions are aligned to cylinder boundaries.
Intel MBR doesn't use the last cylinder of a disk
In the menu Options, you can try to set "Align partitions" from Yes to No and retry to add your partition again.
Currently, if you are able to list your files, you can copy them to another healthy disk, partition and folder.
Standard folder is your testdisk folder.
If you'd like to use another disk partitoion or folder, you can check that two dots in the upper area of your screen and press enter.
Each time, you'll get one directory up until you get to your disk selection.
You can select another healthy disk or partition.
You can check a folder and use the right arrow key on your keyboard to enter a folder as a destination, where you'd like to recover your files to.

Note:
Copying files is recommended, because your partition is not standard.
At the bottom of the screen, you'll find all the commands.
After backing up your data you can create a new partition and copy your files back.
Red listed files are shortly deleted ones.
If you don't need them you can press h for hide.

Fiona

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