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## fix_exfat_drive.md

      
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                love4taylor
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              Last active
              June 6, 2022 12:37
                — forked from ChenxiSSS/fix_exfat_drive.md
            
              
                Fix corrupted exFAT disk macOS/OSX
              
          
    exFAT support on macOS seems to have some bugs since exFAT drives may or maynot randomly get corrupted.
In my case, "not ejected properly" often casue the drive in Resource busy, Volume on xxx failed to mount, File system check exit code is 1, or Timed out waiting, when try to use both Disk Utility or diskutil to mount, repair, or first aid the disk.
Possible fix is this:

Use diskutil list to find the right drive id.

You want the id under the IDENTIFIER column, it should look like disk1s1.
disk1 marks the entire Disk. disk1s1 or disk1s2 marks each Volume.


Usually, you want to check if the disk is occupied by one or many process.