If you’ve used BeOS, you’re probably familiar with the above message when trying to unmount a volume. From time to time, some application keeps accessing a volume, and you can’t determine which application that is. It might be caused by a running live query, but it might also be caused by buggy background applications that forget to close a file.
This is a companion discussion topic for the original entry at https://www.haiku-os.org/blog/axeld/2006-01-15_sorry_volume_busy/