Can't remove a directory in Unix

Question

I\'ve got a seemingly un-deletable directory in Unix that contains some hidden files with names that start with .panfs. I\'m unable to delete it using either o

Answer 1

I recently could not delete a folder created by a crazy going backup job on a QNAP. It created sub/sub/sub/sub/sub/.... folders until it couldn't.

rm -rf sub
rm -rf sub/sub/sub/sub/sub/sub/sub

all rm commands failed with: can't remove 'sub/sub/sub/sub': Directory not empty

I tied to rename some folder to make the path shorter, but it didn't help. But after moving one of the subfolders, I was able to delete all.

mv backup/backup deleteme
rm -rf deleteme
rm -rf folder/backup