Un ami vient de me passer son disque dur externe qui un pris un coup alors qu'il était éteint et débranché. Lorqu'il a voulu le rebrancher, windows lui a demandé si il voulait le formater. Il n'a rien fait.
Le disque dur est un WD Green de 4 To, en une seule partition.
J'ai branché le disque en interne sur mon pc. Sous Windows, j'ai une partition de 2 To au format RAW, et les 1.7 To restant en non alloué.
J'ai utilisé l'UBCD et la version de testdisk, et voila ce que j'obtiens sous Gparted et Testdisk :
Code: Select all
Fri Nov 28 11:30:14 2014
Command line: TestDisk
TestDisk 7.0-WIP, Data Recovery Utility, October 2014
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Linux, kernel 3.10.4-pmagic (#2 Tue Jul 30 11:06:11 CDT 2013) i686
Compiler: GCC 4.4
Compilation date: 2014-11-13T19:05:07
ext2fs lib: 1.42.8, ntfs lib: libntfs-3g, reiserfs lib: 0.3.1-rc8, ewf lib: 20120504
/dev/sda: LBA, HPA, LBA48, DCO support
/dev/sda: size 976773168 sectors
/dev/sda: user_max 976773168 sectors
/dev/sda: native_max 976773168 sectors
/dev/sda: dco 976773168 sectors
/dev/sdb: LBA, HPA, LBA48, DCO support
/dev/sdb: size 976771055 sectors
/dev/sdb: user_max 976771055 sectors
/dev/sdb: native_max 976773168 sectors
/dev/sdb: dco 976773168 sectors
/dev/sdc: LBA, LBA48, DCO support
/dev/sdc: size 7813971633 sectors
/dev/sdc: user_max 7813971633 sectors
/dev/sdc: dco 7814037168 sectors
/dev/sdd: LBA, HPA, LBA48, DCO support
/dev/sdd: size 976773168 sectors
/dev/sdd: user_max 976773168 sectors
/dev/sdd: native_max 976773168 sectors
/dev/sdd: dco 976773168 sectors
Warning: can't get size for Disk /dev/mapper/control - 0 B - 0 sectors, sector size=512
Hard disk list
Disk /dev/sda - 500 GB / 465 GiB - CHS 60801 255 63, sector size=512 - WDC WD5000AAKX-001CA0, S/N:WD-WMAYUM409835, FW:15.01H15
Disk /dev/sdb - 500 GB / 465 GiB - CHS 60801 255 63, sector size=512 - SAMSUNG HD501LJ, S/N:S0MUJ1KP984761, FW:CR100-11
Disk /dev/sdc - 4000 GB / 3725 GiB - CHS 486397 255 63, sector size=512 - WDC WD40EZRX-00SPEB0, S/N:WD-WCC4E1386814, FW:80.00A80
Disk /dev/sdd - 500 GB / 465 GiB - CHS 60801 255 63, sector size=512 - WDC WD5001AALS-00E3A0, S/N:WD-WCATR4685192, FW:05.01D05
user_max=7813971633 dco=7814037167
/dev/sdc: Device Configuration Overlay (DCO) present.
Partition table type (auto): Intel
Disk /dev/sdc - 4000 GB / 3725 GiB - WDC WD40EZRX-00SPEB0
Partition table type: Intel
Analyse Disk /dev/sdc - 4000 GB / 3725 GiB - CHS 486397 255 63
Geometry from i386 MBR: head=255 sector=63
NTFS at 0/32/33
Warning: number of bytes per sector mismatches 4096 (NTFS) != 512 (HD)
Error: size boot_sector 976745984 > partition 4294967295
check_part_i386 failed for partition type 07
Current partition structure:
Warning: number of bytes per sector mismatches 4096 (NTFS) != 512 (HD)
Error: size boot_sector 976745984 > partition 4294967295
Invalid NTFS or EXFAT boot
1 * HPFS - NTFS 0 32 33 267349 121 35 4294967295
1 * HPFS - NTFS 0 32 33 267349 121 35 4294967295
search_part()
Disk /dev/sdc - 4000 GB / 3725 GiB - CHS 486397 255 63
NTFS at 0/32/33
Warning: number of bytes per sector mismatches 4096 (NTFS) != 512 (HD)
filesystem size 976745984
sectors_per_cluster 1
mft_lcn 786432
mftmirr_lcn 488372991
clusters_per_mft_record 1
clusters_per_index_record 1
HPFS - NTFS 0 32 33 486397 33 36 7813967872 [My Book]
NTFS, blocksize=4096, 4000 GB / 3725 GiB
Results
* HPFS - NTFS 0 32 33 486397 33 36 7813967872 [My Book]
NTFS, blocksize=4096, 4000 GB / 3725 GiB
Hint for advanced users. dmsetup may be used if you prefer to avoid to rewrite the partition table for the moment:
echo "0 7813967872 linear /dev/sdc 2048" | dmsetup create test0
interface_write()
1 P HPFS - NTFS 0 32 33 486397 33 36 7813967872 [My Book]
