Missing Partitions

How to use TestDisk to recover lost partition
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baineteo
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Joined: 25 Jun 2017, 03:51

Missing Partitions

#1 Post by baineteo » 25 Jun 2017, 04:00

Hi guys,

I am having a problem with my 3TB WD Internal HDD (Green).

I am running a hackintosh with my 3TB as a slave formatted in exFAT. My partitions have disappeared (I actually only have 1 main exFAT partition on it), but I was able to run TestDisk and it was able to correctly identify the partitions. In fact, it even lists the files correctly. However, when I select "write" and reboot, nothing happens; the disk still does not mount.

During quick search, I get this:
TestDisk 7.1-WIP, Data Recovery Utility, May 2017
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org

Disk /dev/rdisk2 - 3000 GB / 2794 GiB - 5860533168 sectors



check_FAT: Unusual media descriptor (0xf0!=0xf8)
Warning: number of heads/cylinder mismatches 16 (FAT) != 1 (HD)
Warning: number of sectors per track mismatches 32 (FAT) != 1 (HD)
EFI System 40 409639 409600 [EFI System Partition]
MS Data 411648 5860532223 5860120576
What should I do?

Thank you.
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cgrenier
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Re: Missing Partitions

#2 Post by cgrenier » 25 Jun 2017, 09:50

Can you try to repair the filesystem using "sudo fsck_exfat -y device" ?
If it doesn't work, copy all the files using testdisk on another disk, reformat the original partition, copy the files back to this disk.

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