secetur de boot perdu

How to use TestDisk to recover lost partition
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maha
Posts: 3
Joined: 04 Apr 2016, 10:38

secetur de boot perdu

#1 Post by maha » 05 Apr 2016, 16:20

Bonjour,
Suite à une fausse maneuvre, j'ai perdu mon DD. J'ai lancé testdisk et j'ai pu récupéré mes données. Je peux aussi visualiser mes partition, néanmoins mon DD n'est encore pas bootable ("" Bootmgr absent "").
Maintenant j'ai des messages d'erreurs concernant le nombre de Heads/clusters que je n'arrive pas à résoudre avec testdisk.
Quelques informations antérieurs sur mon DD :
- Taille totale : 500 GO
- Deux partitions visibles :
une partition systeme C: de 146 Go formatée en NTFS,
une partition logique E: de 313 Go formatée en NTFS,

Voici le contenu du fichier testdisk.log

Mon Apr 4 10:27:03 2016
Command line: TestDisk

TestDisk 6.12-WIP, Data Recovery Utility, April 2009
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Windows Server 2007 (9200)
Compiler: GCC 4.3, Cygwin 1005.25 - Jun 24 2009 22:56:41
ext2fs lib: 1.41.4, ntfs lib: 10:0:0, reiserfs lib: 0.3.1-rc8, ewf lib: 20080501
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sda)=500107862016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdb)=250000000000
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(/dev/sdc)=500107706368
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=500107862016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=250000000000
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive2)=500107706368
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=99850649600
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\D:)=149779644416
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\E:)=6291456000
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\F:)=336421978112
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\G:)=104857600
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\H:)=157286400000
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\I:)=500105216512
file_pread(4,1,buffer,976782239(64601/239/63)) lseek err Invalid argument
file_pread(5,1,buffer,488285279(32293/239/63)) lseek err Invalid argument
file_pread(6,1,buffer,976784129(60801/254/63)) lseek err Invalid argument
Hard disk list
Disk /dev/sda - 500 GB / 465 GiB - CHS 64601 240 63, sector size=512 - ST500DM002-1BD142
Disk /dev/sdb - 250 GB / 232 GiB - CHS 32293 240 63, sector size=512 - ST3250820AS
Disk /dev/sdc - 500 GB / 465 GiB - CHS 60801 255 63, sector size=512 - Samsung S2 Portable

Partition table type (auto): Intel
Disk /dev/sda - 500 GB / 465 GiB - ST500DM002-1BD142
Partition table type: Intel

Analyse Disk /dev/sda - 500 GB / 465 GiB - CHS 64601 240 63
Geometry from i386 MBR: head=255 sector=63
NTFS at 0/32/33
heads/cylinder 255 (NTFS) != 240 (HD)
BAD_RS LBA=12290048 11567123
NTFS at 812/200/9
heads/cylinder 255 (NTFS) != 240 (HD)
BAD_RS LBA=12494848 11760583
NTFS at 826/90/59
heads/cylinder 255 (NTFS) != 240 (HD)
NTFS at 21143/233/58
heads/cylinder 255 (NTFS) != 240 (HD)
Current partition structure:
Warning: Incorrect number of heads/cylinder 255 (NTFS) != 240 (HD)
1 * HPFS - NTFS 0 32 33 812 200 8 12288000 [Recovery]

Bad sector count.
Warning: Incorrect number of heads/cylinder 255 (NTFS) != 240 (HD)
2 P HPFS - NTFS 812 200 9 826 90 58 204800 [System]

Bad relative sector.
Warning: Incorrect number of heads/cylinder 255 (NTFS) != 240 (HD)
3 P HPFS - NTFS 826 90 59 21143 201 25 307200000 [OS-Win7]

Warning: Bad ending head (CHS and LBA don't match)
4 E extended LBA 21143 202 1 64602 29 63 657089244

Warning: Bad starting head (CHS and LBA don't match)
Warning: Incorrect number of heads/cylinder 255 (NTFS) != 240 (HD)
5 L HPFS - NTFS 21143 233 58 64601 62 46 657074176

Warning: Bad starting head (CHS and LBA don't match)

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