Partition: write error

How to use TestDisk to recover lost partition
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mjgreenjr
Posts: 2
Joined: 10 Apr 2017, 21:21

Partition: write error

#1 Post by mjgreenjr » 10 Apr 2017, 21:36

So a couple days ago my laptop locked up and when I rebooted it popped up with the Unmountable boot volume error. I ended up creating a bootable USB stick from the Windows 10 install tool. After trying the repair functions in Windows I poked around and leaned about TestDisk. So here I am attempting to recover the partition for my boot drive but when I tell it to write, all I get is a non-descriptive 'write error'. I'm hoping someone can tell something from the logs that might point me to further troubleshooting or corrective steps I can take.

Code: Select all


Mon Apr 10 15:52:12 2017
Command line: TestDisk

TestDisk 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
OS: Windows 8 (9200)
Compiler: GCC 4.9, MinGW 3.11
Compilation date: Apr 18 2015 13:02:07
ext2fs lib: none, ntfs lib: 10:0:0, reiserfs lib: none, ewf lib: 20120504, curses lib: pdcurses build  3401
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive0)=126035288064
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive1)=1000204886016
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\PhysicalDrive2)=31331450880
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\C:)=367001600
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\D:)=1000202043392
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\E:)=31330402304
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\F:)=124826933760
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\G:)=837812224
filewin32_getfilesize(\\.\H:) GetFileSize err Incorrect function.


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


Warning: can't get size for \\.\H:
disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\X:)=3162112
Hard disk list
Disk \\.\PhysicalDrive0 - 126 GB / 117 GiB - CHS 15322 255 63, sector size=512
Disk \\.\PhysicalDrive1 - 1000 GB / 931 GiB - CHS 121601 255 63, sector size=512
Disk \\.\PhysicalDrive2 - 31 GB / 29 GiB - CHS 3809 255 63, sector size=512
Drive C: - 367 MB / 350 MiB - CHS 44 255 63, sector size=512
Drive D: - 1000 GB / 931 GiB - CHS 121600 255 63, sector size=512
Drive E: - 31 GB / 29 GiB - CHS 3809 255 63, sector size=512
Drive F: - 124 GB / 116 GiB - CHS 15176 255 63, sector size=512
Drive G: - 837 MB / 799 MiB - CHS 101 255 63, sector size=512
Drive X: - 3162 KB / 3088 KiB - CHS 193 16 2, sector size=512

Partition table type (auto): Intel
Disk \\.\PhysicalDrive0 - 126 GB / 117 GiB
Partition table type: Intel

Analyse Disk \\.\PhysicalDrive0 - 126 GB / 117 GiB - CHS 15322 255 63
Geometry from i386 MBR: head=255 sector=63
NTFS at 0/32/33
NTFS at 44/190/19
check_part_i386 3 type 27: no test
Current partition structure:
 1 * HPFS - NTFS              0  32 33    44 190 18     716800
 2 P HPFS - NTFS             44 190 19 15220 192 57  243802605
 3 P Windows RE(store)    15220 217 38 15322 181 27    1636352

search_part()
Disk \\.\PhysicalDrive0 - 126 GB / 117 GiB - CHS 15322 255 63
NTFS at 0/32/33
filesystem size           716800
sectors_per_cluster       8
mft_lcn                   29866
mftmirr_lcn               2
clusters_per_mft_record   -10
clusters_per_index_record 1
     HPFS - NTFS              0  32 33    44 190 18     716800
     NTFS, blocksize=4096, 367 MB / 350 MiB
NTFS at 44/190/19
filesystem size           243802605
sectors_per_cluster       8
mft_lcn                   786432
mftmirr_lcn               2
clusters_per_mft_record   -10
clusters_per_index_record 1
     HPFS - NTFS             44 190 19 15220 192 57  243802605
     NTFS, blocksize=4096, 124 GB / 116 GiB
NTFS at 15220/217/38
filesystem size           1636352
sectors_per_cluster       8
mft_lcn                   68181
mftmirr_lcn               2
clusters_per_mft_record   -10
clusters_per_index_record 1
     HPFS - NTFS          15220 217 38 15322 181 27    1636352
     NTFS, blocksize=4096, 837 MB / 799 MiB

Results
   * HPFS - NTFS              0  32 33    44 190 18     716800
     NTFS, blocksize=4096, 367 MB / 350 MiB
   P HPFS - NTFS             44 190 19 15220 217 37  243804160
     NTFS, blocksize=4096, 124 GB / 116 GiB
   P HPFS - NTFS          15220 217 38 15322 181 27    1636352
     NTFS, blocksize=4096, 837 MB / 799 MiB

interface_write()
 1 * HPFS - NTFS              0  32 33    44 190 18     716800
 2 P HPFS - NTFS             44 190 19 15220 217 37  243804160
 3 P HPFS - NTFS          15220 217 38 15322 181 27    1636352
write!

write_mbr_i386: starting...
file_win32_pwrite(180,1,buffer,0(0/0/1)) write err
write_all_log_i386: starting...
No extended partition

Partition: Write error

TestDisk exited normally.

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cgrenier
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Re: Partition: write error

#2 Post by cgrenier » 11 Apr 2017, 07:56

The read error message may be due to bad sectors or an antivirus blocking the operation.

The partition table is ok, there is no deleted partition, so no need to rewrite the partition table.
Try TestDisk, Advanced, Boot, List to list your files.
Does it work ?

mjgreenjr
Posts: 2
Joined: 10 Apr 2017, 21:21

Re: Partition: write error

#3 Post by mjgreenjr » 11 Apr 2017, 13:26

Yes, I can list the files in each of the partitions. Do you want to see that in a log?

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cgrenier
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Re: Partition: write error

#4 Post by cgrenier » 12 Apr 2017, 08:26

Run "cmd" (right click "run as administrator") and "chkdsk /f c:". Do it for each volume that you can't mount.
If it doesn't solve your problem, use testdisk to copy your files to another disk.

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