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My external hard drive contains a directory. On my Mac I can't see this folder, neither in Finder nor with ls -la. But I know that it exists, since there is no problem with it on Linux. Because I'm sure about its existence, I tried the following:

[1] .:[ manuelschneider@mbp13 ]:. /Volumes/Caviar $ cd Video
-bash: cd: Video: Input/output error

What is the problem? The drive is an external USB drive with NTFS.

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  • Are you sure your disk has been mounted? If it has not, for any reason, then you could not see it. Try looking at the output of fdisk. Also, try to see whether it is listed among USB devices, whether mounted or not, with the command system_profiler SPUSBDataType
    – MariusMatutiae
    Commented Jan 2, 2014 at 8:50
  • For best results, put into your question exactly what steps you took when removing your hard disc from your Linux machine.
    – JdeBP
    Commented Jan 2, 2014 at 9:10
  • /Volumes/Caviar is the mounted HDD. The device was properly unmounted on linux.
    – ManuelSchneid3r
    Commented Jan 2, 2014 at 15:13
  • Exact same problem with an external NTFS drive.. unable to find an answer.
    – pragmatic_programmer
    Commented Aug 29, 2016 at 1:50

1 Answer 1

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MacOS has very poor support for NTFS drives. For example it is not able to write to such drives.

I suppose this is just one more symptom of this disability.
But this issue occurs on only one particular folder, right? I guess this folder is might be owned by some user or it has permissions that are not handlebar for macOS.

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