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“Input/output error” when accessing a directory

Solutons:


Input/Output errors during filesystem access attempts generally mean hardware issues.

Type dmesg and check the last few lines of output. If the disc or the connection to it is failing, it’ll be noted there.

EDIT Are you mounting it via ntfs or ntfs-3g ? As I recall, the legacy ntfs driver had no stable write support and was largely abandoned when it turned out ntfs-3g was significantly more stable and secure.

As Sadhur states this is probably caused by disk hardware issues and the dmesg output is the right place to check this.

You can issue a surface scan of your disk from Linux /sbin/badblocks /dev/sda.

Check the manual page for more thorough tests an basic fixes (block relocation). This is all filesystem-agnostic, so it is safe even with an NTFS filesystem as it operates on the ‘disk surface’ level.

I personally made this to run on a monthly basis from cron.
Of course you need to check if you receive the cron mails in your mailbox (which is often not the case by default). These mails end up in /var/mail/$USER or similar.

I created /etc/cron.d/badblocks:

30 4 * * 3 root [ -x /sbin/badblocks ] && [ $(date +%d) -le 7 ] && /sbin/badblocks /dev/sda

Your filesystem is damaged , for NTFS volumes you should run a chkdsk under windows system , but it’s nearly impossible to recover. Sometimes you might need to format the disk.

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