Testdrive: Recupera a tabela de partições do Windows 10 excluída acidentalmente no sistema de inicialização dupla (não na partição de inicialização)

Question

Eu acidentalmente excluí a maioria da minha tabela de partições do Windows no meu laptop de inicialização dupla e estou tentando consertar / recuperar a tabela de partições defeituosa.

Eu tenho um laptop de inicialização dupla: Ubuntu e Windows. Grub ainda funciona (eu posso inicializar no Ubuntu).

• O Ubuntu 16.10 (incluindo a partição de inicialização) está localizado em /dev/sdb
• O Windows 10 está localizado em /dev/sda .

Eu acidentalmente apaguei a maior parte da minha tabela de partição do windows em dev/sda (erros estúpidos acontecem). Aqui está o que resta de acordo com fdisk :

$ sudo fdisk -lu /dev/sda
Disk /dev/sda: 465,8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 6CAE9467-2FF5-4DB9-8E72-4321E9061C2A

Device      Start     End Sectors  Size Type
/dev/sda2  923648 1128447  204800  100M EFI System

Eu ainda posso selecionar o Windows a partir do grub, mas é claro que agora eu só recebo (em alemão para: Recover, o sistema deve ser reparado):

Domeu/boot/grub/grub.cfgon/dev/sdb:

menuentry'WindowsBootManager(on/dev/sda2)'--classwindows--classos$menuentry_id_option'osprober-efi-46A6-7D64'{insmodpart_gptinsmodfatsetroot='hd0,gpt2'if[x$feature_platform_search_hint=xy];thensearch--no-floppy--fs-uuid--set=root--hint-bios=hd0,gpt2--hint-efi=hd0,gpt2--hint-baremetal=ahci0,gpt246A6-7D64elsesearch--no-floppy--fs-uuid--set=root46A6-7D64fichainloader/EFI/Microsoft/Boot/bootmgfw.efi

testdiskresultadosparadev/sda:

TestDisk7.0,DataRecoveryUtility,April2015ChristopheGRENIER<[email protected]>http://www.cgsecurity.orgDisk/dev/sda-500GB/465GiB-CHS6080125563PartitionStartEndSizeinsectors>PMSData2048923647921600PMSData9236481128447204800[NONAME]DMSData1161216975772594974611379DMSData974774273975773696999424DMSData975773696976773119999424Structure:Ok.UseUp/DownArrowkeystoselectpartition.UseLeft/RightArrowkeystoCHANGEpartitioncharacteristics:P=PrimaryD=DeletedKeysA:addpartition,L:loadbackup,T:changetype,P:listfiles,Enter:tocontinueNTFS,blocksize=4096,471MB/450MiB

DepoisdeolhardentrodecadapartiçãousandoP:listfiles(detalhesabaixo),pareceque:

• partição1:recuperação.okparamanter?
• partição2:ok
• partição3:contémconteúdodowindows10
• partição4:devepermanecerexcluída(?)
• partição5:recuperação.okparadeletar?

Minhasperguntas:

• Devorecuperarapartição3(usandoL:loadbackup)?
• Apartição4devepermanecernostatusD(excluído)?Pareceestarcorrompidodequalquermaneira.
• Apartição5devepermanecernostatusD(excluído)?Elecontémrecuperação,masjáexisteumarecuperaçãoválidalocalizadanapartição1.
• Comopossogarantirqueaentradagrubpara/dev/sda2aponteparaolocalcorreto?

ResultadosdetestdiskapósinserircadapartiçãocomP:

• Partição1

  PMSData2048923647921600Directory/>dr-xr-xr-x0004-Jun-201623:48.dr-xr-xr-x0004-Jun-201623:48..dr-xr-xr-x0004-Jun-201623:44Recoverydr-xr-xr-x0001-Jun-201614:12SystemVolumeInformation

• Partição2

  PMSData9236481128447204800[NONAME]Directory/>drwxr-xr-x0002-Jun-201607:34EFI

• Partição3

  MSData1161216975772594974611379Directory/>dr-xr-xr-x00010-Feb-201701:05.dr-xr-xr-x00010-Feb-201701:05..dr-xr-xr-x00022-Aug-201622:54$GetCurrentdr-xr-xr-x0002-Jun-201610:40$Recycle.Bindr-xr-xr-x0008-Nov-201618:54Inteldr-xr-xr-x00027-Apr-201607:52Logsdr-xr-xr-x00016-Jul-201613:47PerfLogsdr-xr-xr-x0002-Feb-201723:13ProgramFilesdr-xr-xr-x0002-Feb-201723:11ProgramFiles(x86)dr-xr-xr-x00022-Aug-201622:59ProgramDatadr-xr-xr-x00027-Dec-201615:55Python36dr-xr-xr-x00022-Aug-201622:38Recoverydr-xr-xr-x00020-Jun-201622:03SQLServer2000SampleDatabasesdr-xr-xr-x00021-Jun-201620:06SQLServer2016Mediadr-xr-xr-x00010-Feb-201700:28SystemVolumeInformationdr-xr-xr-x00022-Aug-201622:44Usersdr-xr-xr-x00010-Feb-201701:06Windowsdr-xr-xr-x00022-Aug-201622:54Windows10Upgradedr-xr-xr-x0005-Oct-201619:25_tmpdr-xr-xr-x0004-Jun-201622:23clouddr-xr-xr-x0002-Feb-201718:45projectsdr-xr-xr-x00024-Jul-201614:35tools-r--r--r--00130-Oct-201508:18BOOTNXT-r--r--r--00027-Dec-201615:55Python36:Win32App_1-r--r--r--00020-Jun-201622:03SQLServer2000SampleDatabases:Win32App_1-r--r--r--0039526810-Jul-201513:00bootmgr-r--r--r--00255013683210-Feb-201701:07pagefile.sys-r--r--r--001677721610-Feb-201701:07swapfile.sys

• Partição4

  MSData974774273975773696999424Can'topenfilesystem.Filesystemseemsdamaged.

• Partição5

  MSData975773696976773119999424Directory/>dr-xr-xr-x00018-Nov-201621:26.dr-xr-xr-x00018-Nov-201621:26..dr-xr-xr-x00022-Aug-201623:36Recoverydr-xr-xr-x0004-Jun-201622:49SystemVolumeInformation

testdisk.log:

ThuFeb1620:46:552017Commandline:TestDiskTestDisk7.0,DataRecoveryUtility,April2015ChristopheGRENIER<[email protected]>http://www.cgsecurity.orgOS:Linux,kernel4.8.0-37-generic(#39-UbuntuSMPThuJan2602:27:07UTC2017)x86_64Compiler:GCC5.3ext2fslib:1.43.3,ntfslib:libntfs-3g,reiserfslib:none,ewflib:none,curseslib:ncurses6.0/dev/sda:LBA,HPA,LBA48,DCOsupport/dev/sda:size976773168sectors/dev/sda:user_max976773168sectors/dev/sda:native_max976773168sectors/dev/sda:dco976773168sectors/dev/sdb:LBA,HPA,LBA48,DCOsupport/dev/sdb:size976773168sectors/dev/sdb:user_max976773168sectors/dev/sdb:native_max976773168sectors/dev/sdb:dco976773168sectorsWarning:can'tgetsizeforDisk/dev/mapper/control-0B-0sectors,sectorsize=512HarddisklistDisk/dev/sda-500GB/465GiB-CHS6080125563,sectorsize=512-SamsungSSD850EVO500GB,S/N:S1YCNXAGB00962X,FW:EMT02B6QDisk/dev/sdb-500GB/465GiB-CHS6080125563,sectorsize=512-SamsungSSD850EVOM.2500GB,S/N:S24CNXAH208296N,FW:EMT21B6QPartitiontabletype(auto):EFIGPTDisk/dev/sda-500GB/465GiB-SamsungSSD850EVO500GBPartitiontabletype:EFIGPTAnalyseDisk/dev/sda-500GB/465GiB-CHS6080125563hdr_size=92hdr_lba_self=1hdr_lba_alt=976773167(expected976773167)hdr_lba_start=34hdr_lba_end=976773134hdr_lba_table=2hdr_entries=128hdr_entsz=128Currentpartitionstructure:2PEFISystem9236481128447204800[EFIsystempartition]search_part()Disk/dev/sda-500GB/465GiB-CHS6080125563NTFSat0/32/33filesystemsize921600sectors_per_cluster8mft_lcn38400mftmirr_lcn2clusters_per_mft_record-10clusters_per_index_record1NTFSpart_offset=1048576,part_size=471859200,sector_size=512NTFSpartitioncannotbeadded(part_offset<part_size).NTFSat0/32/33filesystemsize921600sectors_per_cluster8mft_lcn38400mftmirr_lcn2clusters_per_mft_record-10clusters_per_index_record1MSData2048923647921600NTFS,blocksize=4096,471MB/450MiBFAT32at57/126/6FAT1:6654-7422FAT2:7423-8191start_rootdir:8192rootcluster:2Data:8192-204799sectors:204800cluster_size:2no_of_cluster:98304(2-98305)fat_length769calculated769set_FAT_info:namefromBSusedFAT32at57/126/6MSData9236481128447204800[NONAME]FAT32,blocksize=1024,104MB/100MiBNTFSat72/72/1filesystemsize974611379sectors_per_cluster8mft_lcn786432mftmirr_lcn2clusters_per_mft_record-10clusters_per_index_record1NTFSpart_offset=594542592,part_size=499001026048,sector_size=512NTFSpartitioncannotbeadded(part_offset<part_size).NTFSat72/72/1filesystemsize974611379sectors_per_cluster8mft_lcn786432mftmirr_lcn2clusters_per_mft_record-10clusters_per_index_record1MSData1161216975772594974611379NTFS,blocksize=4096,499GB/464GiBNTFSat60739/26/24filesystemsize999424sectors_per_cluster8mft_lcn41642mftmirr_lcn2clusters_per_mft_record-10clusters_per_index_record1MSData974774273975773696999424NTFSfoundusingbackupsector,blocksize=4096,511MB/488MiBNTFSat60739/26/24filesystemsize999424sectors_per_cluster8mft_lcn41642mftmirr_lcn2clusters_per_mft_record-10clusters_per_index_record1MSData975773696976773119999424NTFS,blocksize=4096,511MB/488MiBResultsPMSData2048923647921600NTFS,blocksize=4096,471MB/450MiBPMSData9236481128447204800[NONAME]FAT32,blocksize=1024,104MB/100MiBMSData1161216975772594974611379NTFS,blocksize=4096,499GB/464GiBMSData974774273975773696999424NTFSfoundusingbackupsector,blocksize=4096,511MB/488MiBMSData975773696976773119999424NTFS,blocksize=4096,511MB/488MiBHintforadvancedusers.dmsetupmaybeusedifyouprefertoavoidtorewritethepartitiontableforthemoment:echo"0 921600 linear /dev/sda 2048" | dmsetup create test0
echo "0 204800 linear /dev/sda 923648" | dmsetup create test1
echo "0 974611379 linear /dev/sda 1161216" | dmsetup create test2
echo "0 999424 linear /dev/sda 974774273" | dmsetup create test3
echo "0 999424 linear /dev/sda 975773696" | dmsetup create test4
ntfs_device_testdisk_io_ioctl() unimplemented


dir_partition inode=5
   P MS Data                     2048     923647     921600
     NTFS, blocksize=4096, 471 MB / 450 MiB
Directory /
       5 dr-xr-xr-x     0      0         0  4-Jun-2016 23:48 .
       5 dr-xr-xr-x     0      0         0  4-Jun-2016 23:48 ..
      37 dr-xr-xr-x     0      0         0  4-Jun-2016 23:44 Recovery
      35 dr-xr-xr-x     0      0         0  1-Jun-2016 14:12 System Volume Information


dir_partition inode=0
   P MS Data                   923648    1128447     204800 [NO NAME]
     FAT32, blocksize=1024, 104 MB / 100 MiB
FAT: cluster=2(0x2), pos=931840
Directory /
       3 drwxr-xr-x     0      0         0  2-Jun-2016 07:34 EFI
ntfs_device_testdisk_io_ioctl() unimplemented


dir_partition inodentfs_mst_post_read_fixup_warn: magic: 0x00000000  size: 1024   usa_ofs: 0  usa_count: 65535: Invalid argument
Record 0 has no FILE magic (0x0)
Failed to load $MFT: Input/output error
ntfs_mst_post_read_fixup_warn: magic: 0x00000000  size: 1024   usa_ofs: 0  usa_count: 65535: Invalid argument
Record 0 has no FILE magic (0x0)
Failed to load $MFT: Input/output error
=5
     MS Data                  1161216  975772594  974611379
     NTFS, blocksize=4096, 499 GB / 464 GiB
Directory /
       5 dr-xr-xr-x     0      0         0 10-Feb-2017 01:05 .
       5 dr-xr-xr-x     0      0         0 10-Feb-2017 01:05 ..
     132 dr-xr-xr-x     0      0         0 22-Aug-2016 22:54 $GetCurrent
      63 dr-xr-xr-x     0      0         0  2-Jun-2016 10:40 $Recycle.Bin
   86499 dr-xr-xr-x     0      0         0  8-Nov-2016 18:54 Intel
  135457 dr-xr-xr-x     0      0         0 27-Apr-2016 07:52 Logs
  184781 dr-xr-xr-x     0      0         0 16-Jul-2016 13:47 PerfLogs
  184785 dr-xr-xr-x     0      0         0  2-Feb-2017 23:13 Program Files
  192329 dr-xr-xr-x     0      0         0  2-Feb-2017 23:11 Program Files (x86)
  192466 dr-xr-xr-x     0      0         0 22-Aug-2016 22:59 ProgramData
  279327 dr-xr-xr-x     0      0         0 27-Dec-2016 15:55 Python36
  174888 dr-xr-xr-x     0      0         0 22-Aug-2016 22:38 Recovery
  546406 dr-xr-xr-x     0      0         0 20-Jun-2016 22:03 SQL Server 2000 Sample Databases
  210433 dr-xr-xr-x     0      0         0 21-Jun-2016 20:06 SQLServer2016Media
   82311 dr-xr-xr-x     0      0         0 10-Feb-2017 00:28 System Volume Information
  192686 dr-xr-xr-x     0      0         0 22-Aug-2016 22:44 Users
  193184 dr-xr-xr-x     0      0         0 10-Feb-2017 01:06 Windows
   17780 dr-xr-xr-x     0      0         0 22-Aug-2016 22:54 Windows10Upgrade
  136591 dr-xr-xr-x     0      0         0  5-Oct-2016 19:25 _tmp
     463 dr-xr-xr-x     0      0         0  4-Jun-2016 22:23 cloud
  170100 dr-xr-xr-x     0      0         0  2-Feb-2017 18:45 projects
     300 dr-xr-xr-x     0      0         0 24-Jul-2016 14:35 tools
  389125 -r--r--r--     0      0         1 30-Oct-2015 08:18 BOOTNXT
  279327 -r--r--r--     0      0         0 27-Dec-2016 15:55 Python36:Win32App_1
  546406 -r--r--r--     0      0         0 20-Jun-2016 22:03 SQL Server 2000 Sample Databases:Win32App_1
   19844 -r--r--r--     0      0    395268 10-Jul-2015 13:00 bootmgr
      34 -r--r--r--     0      0 2550136832 10-Feb-2017 01:07 pagefile.sys
   82325 -r--r--r--     0      0  16777216 10-Feb-2017 01:07 swapfile.sys
ntfs_device_testdisk_io_ioctl() unimplemented
ntfs_device_testdisk_io_ioctl() unimplemented

     MS Data                974774273  975773696     999424
     NTFS found using backup sector, blocksize=4096, 511 MB / 488 MiB
Can't open filesystem. Filesystem seems damaged.
ntfs_device_testdisk_io_ioctl() unimplemented


dir_partition inode=5
     MS Data                975773696  976773119     999424
     NTFS, blocksize=4096, 511 MB / 488 MiB
Directory /
       5 dr-xr-xr-x     0      0         0 18-Nov-2016 21:26 .
       5 dr-xr-xr-x     0      0         0 18-Nov-2016 21:26 ..
      35 dr-xr-xr-x     0      0         0 22-Aug-2016 23:36 Recovery
      40 dr-xr-xr-x     0      0         0  4-Jun-2016 22:49 System Volume Information

interface_write()
 1 P MS Data                     2048     923647     921600
 2 P MS Data                   923648    1128447     204800 [NO NAME]
simulate write!

TestDisk exited normally.