Disque 2TB devenu 1TB

Comment utiliser TestDisk pour récupérer une partition perdue
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ryuma
Posts: 7
Joined: 18 Dec 2013, 12:20

Disque 2TB devenu 1TB

#1 Post by ryuma »

j'utiliser votre outil tstdisk6.14. car j'ai un problème.

j'ai acheté un disque wd de 2tb, que j'ai formaté en NTFS.

il est dans un boitier externe, il allait bien en eSata sur un laptop

mais quand je l'ai mis sur un autre pc en eSata, windows ne le voyait pas correctement et voulait le formater

depuis, je ne vois plus que 931GB et plus moyen de voir les 2TB. le support de wester digital m'a proposer d'utiliser acronis true image mais c'est pareil, il ne voit que 1TB

le support de wd me dit : Si l'utilitaire Data Lifeguard Diagnostics ne reconnaît pas la capacité totale du disque, ceci indique que la table de partition est endommagé. Il faut procéder dans ce contexte avec le remplacement du disque

il faut savoir que j'ai déjà renvoyé un disque qui avait eu le même problème, croyant que c'était hardware, mais c'est manifestement software, ça m'a couté 16.20 euros en colis suivi aux pays-bas.

serait-il possible de faire quelque chose avec testdisk pour voir le 2TB et les formater ?

merci
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cgrenier
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Re: Disque 2TB devenu 1TB

#2 Post by cgrenier »

Faites un analyse avec TestDisk et postez le contenu du fichier testdisk.log
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ryuma
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Joined: 18 Dec 2013, 12:20

Re: Disque 2TB devenu 1TB

#3 Post by ryuma »

le test trouve Disk /dev/sdb - 1000GB / 931GiB - CHS 121604 255 63

je ne vois pas le bouton pour sauver le log ? il me propose deeper search

puis je utiliser mbr code ou delete ?
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Re: Disque 2TB devenu 1TB

#4 Post by cgrenier »

La création du log est proposée dés la première page.
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ryuma
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Joined: 18 Dec 2013, 12:20

Re: Disque 2TB devenu 1TB

#5 Post by ryuma »

il me dit l'extention txt et log n'est pas autorisée ?
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ryuma
Posts: 7
Joined: 18 Dec 2013, 12:20

Re: Disque 2TB devenu 1TB

#6 Post by ryuma »

Sun Jan 5 17:44:29 2014
Command line: TestDisk

TestDisk 6.14, Data Recovery Utility, July 2013
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Windows 7 (7601) SP1
Compiler: GCC 4.7, Cygwin 1007.17
Compilation date: 2013-07-30T14:08:52
ext2fs lib: 1.42.2, ntfs lib: 10:0:0, reiserfs lib: 0.3.1-rc8, ewf lib: 20120504
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sda)=160041885696
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdb)=1000227396608
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=160041885696
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=1000227396608
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=160038912000
filewin32_getfilesize(\\.\Z:) GetFileSize err Incorrect function.

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

Warning: can't get size for \\.\Z:
Hard disk list
Disk /dev/sda - 160 GB / 149 GiB - CHS 19457 255 63, sector size=512 - WDC WD1600BEVT-16A23T0, S/N:2020202057202d44585731463641353031393732, FW:01.01A01
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121604 255 63, sector size=512 - WDC WD20EARX-00PASB0, S/N:2020202057202d4443575a414a41393933323438, FW:51.0AB51

Partition table type default to Intel
Disk /dev/sdb - 1000 GB / 931 GiB - WDC WD20EARX-00PASB0
Partition table type: EFI GPT

Analyse Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121604 255 63
Bad GPT partition, invalid signature.
Trying alternate GPT
Bad GPT partition, invalid signature.
Current partition structure:
Bad GPT partition, invalid signature.
Trying alternate GPT
Bad GPT partition, invalid signature.
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ryuma
Posts: 7
Joined: 18 Dec 2013, 12:20

Re: Disque 2TB devenu 1TB

#7 Post by ryuma »

En fait, si je comprends bien on peut forcer la taille en indiquant le nombre de cylindre etc ?
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ryuma
Posts: 7
Joined: 18 Dec 2013, 12:20

Re: Disque 2TB devenu 1TB

#8 Post by ryuma »

Sun Jan 5 17:44:29 2014
Command line: TestDisk

TestDisk 6.14, Data Recovery Utility, July 2013
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Windows 7 (7601) SP1
Compiler: GCC 4.7, Cygwin 1007.17
Compilation date: 2013-07-30T14:08:52
ext2fs lib: 1.42.2, ntfs lib: 10:0:0, reiserfs lib: 0.3.1-rc8, ewf lib: 20120504
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sda)=160041885696
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdb)=1000227396608
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=160041885696
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=1000227396608
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=160038912000
filewin32_getfilesize(\\.\Z:) GetFileSize err Incorrect function.

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

Warning: can't get size for \\.\Z:
Hard disk list
Disk /dev/sda - 160 GB / 149 GiB - CHS 19457 255 63, sector size=512 - WDC WD1600BEVT-16A23T0, S/N:2020202057202d44585731463641353031393732, FW:01.01A01
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121604 255 63, sector size=512 - WDC WD20EARX-00PASB0, S/N:2020202057202d4443575a414a41393933323438, FW:51.0AB51

Partition table type default to Intel
Disk /dev/sdb - 1000 GB / 931 GiB - WDC WD20EARX-00PASB0
Partition table type: EFI GPT

Analyse Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121604 255 63
Bad GPT partition, invalid signature.
Trying alternate GPT
Bad GPT partition, invalid signature.
Current partition structure:
Bad GPT partition, invalid signature.
Trying alternate GPT
Bad GPT partition, invalid signature.

search_part()
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121604 255 63
Search for partition aborted

Results

interface_write()

No partition found or selected for recovery
simulate write!

Analyse Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121604 255 63
Bad GPT partition, invalid signature.
Trying alternate GPT
Bad GPT partition, invalid signature.
Current partition structure:
Bad GPT partition, invalid signature.
Trying alternate GPT
Bad GPT partition, invalid signature.

search_part()
Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121604 255 63
Search for partition aborted

Results

interface_write()

No partition found or selected for recovery
simulate write!

Interface Advanced
Bad GPT partition, invalid signature.
Trying alternate GPT
Bad GPT partition, invalid signature.
New options :
Dump : No
Align partition: Yes
Expert mode : No
Partition table type default to Intel
Disk /dev/sdb - 1000 GB / 931 GiB - WDC WD20EARX-00PASB0
Partition table type: Intel
Partition table has been cleared.
You have to reboot for the change to take effect.
A new copy of MBR code has been written.
You have to reboot for the change to take effect.

Interface Advanced

Analyse Disk /dev/sdb - 1000 GB / 931 GiB - CHS 121604 255 63
Current partition structure:
No partition is bootable
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ryuma
Posts: 7
Joined: 18 Dec 2013, 12:20

Re: Disque 2TB devenu 1TB

#9 Post by ryuma »

Mon Jan 6 17:02:53 2014
Command line: TestDisk

TestDisk 6.14, Data Recovery Utility, July 2013
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Windows 7 (7601) SP1
Compiler: GCC 4.7, Cygwin 1007.17
Compilation date: 2013-07-30T14:08:52
ext2fs lib: 1.42.2, ntfs lib: 10:0:0, reiserfs lib: 0.3.1-rc8, ewf lib: 20120504
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sda)=1000227396608
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdb)=160041885696
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=1000227396608
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=160041885696
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=160038912000
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\D:)=1000225112064
filewin32_getfilesize(\\.\Z:) GetFileSize err Incorrect function.

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

Warning: can't get size for \\.\Z:
Hard disk list
Disk /dev/sda - 1000 GB / 931 GiB - CHS 121604 255 63, sector size=512 - WDC WD20EARX-00PASB0, S/N:2020202057202d4443575a414a41393933323438, FW:51.0AB51
Disk /dev/sdb - 160 GB / 149 GiB - CHS 19457 255 63, sector size=512 - WDC WD1600BEVT-16A23T0, S/N:2020202057202d44585731463641353031393732, FW:01.01A01

Partition table type (auto): Intel
Disk /dev/sda - 1000 GB / 931 GiB - WDC WD20EARX-00PASB0
Partition table type: Intel

Analyse Disk /dev/sda - 1000 GB / 931 GiB - CHS 121604 255 63
Geometry from i386 MBR: head=255 sector=63
Current partition structure:
1 P HPFS - NTFS 0 32 33 121603 230 35 1953564672
No partition is bootable

search_part()
Disk /dev/sda - 1000 GB / 931 GiB - CHS 121604 255 63
HPFS - NTFS 0 32 33 121603 230 35 1953564672
exFAT, 1000 GB / 931 GiB
file_pread(4,2,buffer,1953570307(121604/32/32)) lseek err Invalid argument
file_pread(4,1,buffer,1953570307(121604/32/32)) lseek err Invalid argument
file_pread(4,2,buffer,1953570308(121604/32/33)) lseek err Invalid argument
file_pread(4,2,buffer,1953570371(121604/33/33)) lseek err Invalid argument
file_pread(4,1,buffer,1953570371(121604/33/33)) lseek err Invalid argument
file_pread(4,2,buffer,1953570816(121604/40/37)) lseek err Invalid argument
file_pread(4,1,buffer,1953570816(121604/40/37)) lseek err Invalid argument
file_pread(4,8,buffer,1953569152(121604/14/11)) lseek err Invalid argument
file_pread(4,1,buffer,1953569152(121604/14/11)) lseek err Invalid argument
file_pread(4,8,buffer,1953569280(121604/16/13)) lseek err Invalid argument
file_pread(4,8,buffer,1953569408(121604/18/15)) lseek err Invalid argument
file_pread(4,8,buffer,1953569536(121604/20/17)) lseek err Invalid argument
file_pread(4,8,buffer,1953569664(121604/22/19)) lseek err Invalid argument
file_pread(4,8,buffer,1953569792(121604/24/21)) lseek err Invalid argument
file_pread(4,8,buffer,1953569920(121604/26/23)) lseek err Invalid argument
file_pread(4,8,buffer,1953570048(121604/28/25)) lseek err Invalid argument
file_pread(4,8,buffer,1953570176(121604/30/27)) lseek err Invalid argument
file_pread(4,8,buffer,1953570304(121604/32/29)) lseek err Invalid argument
file_pread(4,8,buffer,1953570432(121604/34/31)) lseek err Invalid argument
file_pread(4,8,buffer,1953570560(121604/36/33)) lseek err Invalid argument
file_pread(4,8,buffer,1953570688(121604/38/35)) lseek err Invalid argument
file_pread(4,1,buffer,1953570815(121604/40/36)) lseek err Invalid argument
file_pread(4,1,buffer,1953570816(121604/40/37)) lseek err Invalid argument
file_pread(4,14,buffer,1953570817(121604/40/38)) lseek err Invalid argument
file_pread(4,3,buffer,1953570831(121604/40/52)) lseek err Invalid argument
file_pread(4,3,buffer,1953570878(121604/41/36)) lseek err Invalid argument
file_pread(4,8,buffer,1953570894(121604/41/52)) lseek err Invalid argument
file_pread(4,11,buffer,1953570941(121604/42/36)) lseek err Invalid argument
file_pread(4,2,buffer,1953572863(121604/73/5)) lseek err Invalid argument

Results
* HPFS - NTFS 0 32 33 121603 230 35 1953564672
exFAT, 1000 GB / 931 GiB

interface_write()
1 * HPFS - NTFS 0 32 33 121603 230 35 1953564672

search_part()
Disk /dev/sda - 1000 GB / 931 GiB - CHS 121604 255 63
HPFS - NTFS 0 32 33 121603 230 35 1953564672
exFAT, 1000 GB / 931 GiB
file_pread(4,2,buffer,1953570307(121604/32/32)) lseek err Invalid argument
file_pread(4,1,buffer,1953570307(121604/32/32)) lseek err Invalid argument
file_pread(4,2,buffer,1953570308(121604/32/33)) lseek err Invalid argument
file_pread(4,2,buffer,1953570371(121604/33/33)) lseek err Invalid argument
file_pread(4,1,buffer,1953570371(121604/33/33)) lseek err Invalid argument
file_pread(4,2,buffer,1953570816(121604/40/37)) lseek err Invalid argument
file_pread(4,1,buffer,1953570816(121604/40/37)) lseek err Invalid argument
file_pread(4,8,buffer,1953569152(121604/14/11)) lseek err Invalid argument
file_pread(4,1,buffer,1953569152(121604/14/11)) lseek err Invalid argument
file_pread(4,2,buffer,1953569219(121604/15/15)) lseek err Invalid argument
file_pread(4,8,buffer,1953569280(121604/16/13)) lseek err Invalid argument
file_pread(4,2,buffer,1953569345(121604/17/15)) lseek err Invalid argument
file_pread(4,8,buffer,1953569408(121604/18/15)) lseek err Invalid argument
file_pread(4,8,buffer,1953569536(121604/20/17)) lseek err Invalid argument
file_pread(4,8,buffer,1953569664(121604/22/19)) lseek err Invalid argument
file_pread(4,8,buffer,1953569792(121604/24/21)) lseek err Invalid argument
file_pread(4,8,buffer,1953569920(121604/26/23)) lseek err Invalid argument
file_pread(4,8,buffer,1953570048(121604/28/25)) lseek err Invalid argument
file_pread(4,8,buffer,1953570176(121604/30/27)) lseek err Invalid argument
file_pread(4,8,buffer,1953570304(121604/32/29)) lseek err Invalid argument
file_pread(4,8,buffer,1953570432(121604/34/31)) lseek err Invalid argument
file_pread(4,8,buffer,1953570560(121604/36/33)) lseek err Invalid argument
file_pread(4,8,buffer,1953570688(121604/38/35)) lseek err Invalid argument
file_pread(4,1,buffer,1953570815(121604/40/36)) lseek err Invalid argument
file_pread(4,1,buffer,1953570816(121604/40/37)) lseek err Invalid argument
file_pread(4,14,buffer,1953570817(121604/40/38)) lseek err Invalid argument
file_pread(4,3,buffer,1953570831(121604/40/52)) lseek err Invalid argument
file_pread(4,3,buffer,1953570878(121604/41/36)) lseek err Invalid argument
file_pread(4,8,buffer,1953570894(121604/41/52)) lseek err Invalid argument
file_pread(4,11,buffer,1953570941(121604/42/36)) lseek err Invalid argument
file_pread(4,2,buffer,1953572863(121604/73/5)) lseek err Invalid argument

Results
* HPFS - NTFS 0 32 33 121603 230 35 1953564672
exFAT, 1000 GB / 931 GiB

interface_write()
1 * HPFS - NTFS 0 32 33 121603 230 35 1953564672
simulate write!

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

Analyse Disk /dev/sda - 1000 GB / 931 GiB - CHS 121604 255 63
Geometry from i386 MBR: head=255 sector=63
Current partition structure:
1 P HPFS - NTFS 0 32 33 121603 230 35 1953564672
No partition is bootable
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cgrenier
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Re: Disque 2TB devenu 1TB

#10 Post by cgrenier »

La référence WD20EARX-00PASB0 correspond bien à un disque de 2To.
Il faudrait utiliser les outils constructeurs (ou hdparm sous Linux) pour regarder s'il y a une zone HPA ou DCO.
Si c'est le cas, la/les faire sauter ("hdparm -N /dev/device", "hdparm --dco-restore /dev/device"...)
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