Corrupt File System - Tough one... maybe

How to use TestDisk to recover lost partition
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bigby
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Joined: 11 Jun 2015, 19:21

Corrupt File System - Tough one... maybe

#1 Post by bigby » 11 Jun 2015, 19:53

I have a hyper-v virtual disk (VHDX - windows 2008r2) that has 3 partitions (C,D,E). There was a power outage that caused the server to drop. Upon logging back into the vm, Partition 3 (E). Had some corrupted folders, I could access some but the newer ones showed "Corrupted folder" when I tried to access them. Running a chkdsk /F seemed to have made things worse. The corrupted folders were now just gone.
I thought luckily, Ill open up a backup from the night before but when I mount the image, those same folders are corrupted. This leading me to believe that there was problems with the partition to begin with and the imaging software just made copies of it.
I now have the partition mounted in windows in a read only state trying to figure out if its better to try and fix before a windows chkdsk is performed.
I figure that something happened to the MFT and was no longer pointing correctly to the folders.

Doing a scan with test disk the log is showing the partion as *sys=4F bad relative sector. (Log below)
Im not sure what that means or the best way to proceed as the NTFS partitions aren't showing.
Any advice is incredibly appreciated.

Bigby

Drive I: - 288 GB / 268 GiB - CHS 35082 255 63
file_win32_pread(500,1,buffer,563607551(35082/241/39)) read err: read after end of file

Results

interface_write()

No partition found or selected for recovery
simulate write!

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

Interface Advanced
Geometry from i386 MBR: head=115 sector=52
BAD_RS LBA=1936269394 5382406
check_part_i386 1 type 4F: no test
BAD_RS LBA=1917848077 5967333
check_part_i386 2 type 73: no test
BAD_RS LBA=1818575915 5855017
check_part_i386 3 type 2B: no test
BAD_RS LBA=2844524554 5982593
check_part_i386 4 type 61: no test
3 * Sys=2B 113201 29 24 147074 114 59 544175136
2 * Sys=73 119380 132 62 153270 41 37 544437093
1 * Sys=4F 120527 49 53 234813 237 34 1836016416
4 * SpeedStor 177063 118 26 177066 225 63 54974
New options :
Dump : No
Align partition: Yes
Expert mode : No

Analyse Drive I: - 288 GB / 268 GiB - CHS 35082 255 63
Geometry from i386 MBR: head=115 sector=52
BAD_RS LBA=1936269394 5382406
check_part_i386 1 type 4F: no test
BAD_RS LBA=1917848077 5967333
check_part_i386 2 type 73: no test
BAD_RS LBA=1818575915 5855017
check_part_i386 3 type 2B: no test
BAD_RS LBA=2844524554 5982593
check_part_i386 4 type 61: no test
Current partition structure:
1 * Sys=4F 120527 49 53 234813 237 34 1836016416

Bad relative sector.
2 * Sys=73 119380 132 62 153270 41 37 544437093

Bad relative sector.
3 * Sys=2B 113201 29 24 147074 114 59 544175136

Bad relative sector.
4 * SpeedStor 177063 118 26 177066 225 63 54974

Bad relative sector.
Only one partition must be bootable
Space conflict between the following two partitions
3 * Sys=2B 113201 29 24 147074 114 59 544175136
2 * Sys=73 119380 132 62 153270 41 37 544437093
Space conflict between the following two partitions
2 * Sys=73 119380 132 62 153270 41 37 544437093
1 * Sys=4F 120527 49 53 234813 237 34 1836016416
Space conflict between the following two partitions
1 * Sys=4F 120527 49 53 234813 237 34 1836016416
4 * SpeedStor 177063 118 26 177066 225 63 54974

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