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MatthiasG's avatar
MatthiasG
Aspirant
Jan 02, 2020
Solved

External storage device is connected but the file system is not recognized.

Hi you All,   I have a NAS 424 with version 6.10.2 and now I'm getting: System: External storage device is connected but the file system is not recognized.   This error occurs after a external HD...
  • StephenB's avatar
    StephenB
    Jan 02, 2020
    MatthiasG wrote:

    Hi you All,

     

    I have a NAS 424 with version 6.10.2 and now I'm getting: System: External storage device is connected but the file system is not recognized.

     

    How is the disk formatted?  Your NAS supports BTRFS, EXT2/3, FAT32 and NTFS.  It doesn't support exFAT. 

     

    I don't recommend use of FAT32, as it can't handle large files.  NTFS is the best option if you want to also access the files on a PC (though you would need to purchase some software to get write access to NTFS on a Mac).

StephenB's avatar
StephenB
Guru - Experienced User
Jan 02, 2020
MatthiasG wrote:

Hi you All,

 

I have a NAS 424 with version 6.10.2 and now I'm getting: System: External storage device is connected but the file system is not recognized.

 

How is the disk formatted?  Your NAS supports BTRFS, EXT2/3, FAT32 and NTFS.  It doesn't support exFAT. 

 

I don't recommend use of FAT32, as it can't handle large files.  NTFS is the best option if you want to also access the files on a PC (though you would need to purchase some software to get write access to NTFS on a Mac).

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