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I am running Linux on an external SSD. I am trying to mount an exFat partition which is on the internal hard drive. ( MS Windows is installed on an NTFS partition on the internal drive. )

exFat is already installed ( sudo apt-get install exfat-fuse exfat-utils).

sudo mount -t exfat /dev/sda4 /media/me/restored
returns
FUSE exfat 1.2.8 ERROR: exFAT file system is not found.

sudo mount /dev/sda4 /media/me/restored
returns
mount: /media/me/restored: wrong fs type, bad option, bad superblock on /dev/sda4, missing codepage or helper program, or other error.

lsblk -o NAME,LABEL,SIZE,FSTYPE
returns

NAME   LABEL        SIZE FSTYPE
sda               931.5G isw_raid_member
├─sda1 SYSTEM_DRV   260M vfat
├─sda2               16M isw_raid_member
├─sda3 Windows    246.7G ntfs
├─sda4            683.6G isw_raid_member
└─sda5 WINRE_DRV  998.5M ntfs
sdb               465.8G 
├─sdb1              512M vfat
├─sdb2             83.7G ext4
└─sdb4 SSD-D      381.6G exfat

sda3 is the internal Windows partition.
sda4 is the internal exFat partition, created with diskmgmt.msc (in Windows).

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  • To gather a little more info, please post the results of lsblk -o NAME,LABEL,SIZE,FSTYPE (add to your question). I'm mostly interested in the FSTYPE field. Jan 1, 2020 at 23:09
  • Done. I've never seen isw_raid_member before...
    – JasonF4
    Jan 1, 2020 at 23:18
  • Very interesting. Reboot into Windows and post a picture of the Disk Manager output. Jan 2, 2020 at 0:26
  • I thought this link helped you. It is actually answering another question, but the instructions how to mount an exfat partition are relevant for you. I thought we solved the problem, but it seems the problem popped up again, now with the internal drive. What did you do to change the file system in /dev/sda4?
    – sudodus
    Jan 2, 2020 at 0:35
  • The directory exists. I'm going to reboot into Windows and post the Disk Manager output.
    – JasonF4
    Jan 2, 2020 at 0:36

1 Answer 1

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I solved the problem by deleting the exFat partition in Windows, and recreating it (with diskmgmnt.msc). This partition was originally created in Windows earlier today, exactly the same way, so I don't know how this solved the problem.

lsblk -o NAME,LABEL,SIZE,FSTYPE
now returns
NAME LABEL SIZE FSTYPE sda 931.5G isw_raid_member ├─sda1 SYSTEM_DRV 260M vfat ├─sda2 16M isw_raid_member ├─sda3 Windows 246.7G ntfs ├─sda4 RestoredWin 683.6G exfat └─sda5 WINRE_DRV 998.5M ntfs sdb 465.8G ├─sdb1 512M vfat ├─sdb2 83.7G ext4 └─sdb4 SSD-D 381.6G exfat

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    It appears that by deleting and recreating the partition I accomplished the same thing as "sudo dmraid -rE /dev/sda" - which clears an incorrect indication of Raid storage that Winodows wrote.
    – JasonF4
    Jan 2, 2020 at 14:03

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