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Use fuser to diagnose umount issues

Posted by plattapuss on May 8th, 2007

This morning I discovered that a drive on one of my machines was in read only mode. So I figured the easiest way to resolve the issue is to unmount the drive and re-mount it again. When I tried to umount the drive I got this error:
PLAIN TEXT
CODE:

# umount /mnt/sdb

umount: /mnt/sdb: device is busy

A [...]