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Unable to mount Tuxera-NTFS partition on Windows 10 
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Joined: Thu Aug 04, 2016 21:11
Posts: 4
Post Unable to mount Tuxera-NTFS partition on Windows 10
I guess, most people ask: "How can I mount my NTFS drive on my Mac / Linux PC?!"
Well, my issue is quite the opposite.

I have Windows 10 installed on a 256GB large SSD (sda) and Arch Linux on another 256GB large SSD (sdb). On my Linux drive, I had some GB unpartitioned space left that I recently partitioned as NTFS using Tuxera's NTFS-3G package.

The idea behind this was, that I have a shared, organized partition on my PC, where I can store files that I need both on Arch Linux and Windows.

On Arch Linux, I can mount and use the NTFS partition without any issues. On Windows, however, I'm not able to mount it. Windows Disk Management lists it as part of the device (partition #4 on sdb), but it doesn't give me any option to hook it up. I can't access it.

Is there any solution to this issue? How can I mount this partition on Windows?

I'm afraid, that, if I delete that partition and try to format it as a "regular" NTFS drive using Windows' own tools, it'll mess up my boot partition at the beginning of this drive (sdb). Am I right? I really want to avoid fixing partition / boot issues or even repartitioning my Linux drive.

PS: I'm aware that this forum is technically not the right place for my question, but since there is no Windows-related support forum...


Fri Aug 05, 2016 00:03
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NTFS-3G Lead Developer

Joined: Tue Sep 04, 2007 17:22
Posts: 1286
Post Re: Unable to mount Tuxera-NTFS partition on Windows 10
Hi,
A frequent reason why Windows does not see an ntfs partition is a wrong type in the partition table.

The type has to be 0x07. Use fdisk or parted to check the current type and fix it. Gparted is also a nice tool for fixing. No data should be lost.

Regards,

Jean - Pierre


Fri Aug 05, 2016 17:47
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Joined: Thu Aug 04, 2016 21:11
Posts: 4
Post Re: Unable to mount Tuxera-NTFS partition on Windows 10
Hi jpa,

thanks for your reply!

Since my drive is GPT-formated, I'll use gdisk instead of fdisk.

So I'm going to change my partition type code from 8300 (Linux filesystem) to 0700 (Microsoft basic data) on my partition /dev/sdb4.

When I try to save this ("write table to disk and exit" in gdisk), it says:
"Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING PARTITIONS!!"

Please don't tell me that this will overwrite my whole drive or damage files on my other partitions (sdb1 - sdb3).


Fri Aug 05, 2016 18:45
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Joined: Thu Aug 04, 2016 21:11
Posts: 4
Post Re: Unable to mount Tuxera-NTFS partition on Windows 10
Sorry for the double post -- it seems there is no option to edit my previous post.

Just to clarify what I did in gdisk, here's the console output:
Code:
sudo gdisk /dev/sdb
GPT fdisk (gdisk) version 1.0.1

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.

Command (? for help): p
Disk /dev/sdb: 500118192 sectors, 238.5 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 14640ACB-531D-4425-910F-B8BB6A8C2BBE
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 500118158
Partitions will be aligned on 2048-sector boundaries
Total free space is 4062 sectors (2.0 MiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048         1050623   512.0 MiB   EF00  EFI System
   2         1050624        17827839   8.0 GiB     8200  Linux swap
   3        17827840       286263295   128.0 GiB   8300  Linux filesystem
   4       286265344       500118158   102.0 GiB   8300  Linux filesystem    // <-- this is the NTFS partition created via mkfs.ntfs

Command (? for help): t
Partition number (1-4): 4
Current type is 'Linux filesystem'
Hex code or GUID (L to show codes, Enter = 8300): 0700
Changed type of partition to 'Microsoft basic data'

Command (? for help): w

Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING
PARTITIONS!!

Do you want to proceed? (Y/N): n
Aborting write of new partition table.


Fri Aug 05, 2016 19:14
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Joined: Thu Aug 04, 2016 21:11
Posts: 4
Post Re: Unable to mount Tuxera-NTFS partition on Windows 10
Update:

I managed to change the partition type via gparted, setting the flag "msftdata". gdisk now lists it as 0700 and Windows is able to mount the partition!

Again, thank you very much, jpa!


Fri Aug 05, 2016 20:05
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