"Directory not empty" error occurs at the first attempt to remove an NFS share directory.

Issue

• It needs to delete twice the directory which under NFS share and shows "Directory not empty" error.
  e.g.

# mkdir test
# cd test/
# cat /etc/yum.conf > file1
# cat /etc/yum.conf >> file1
# cd ..
# rm -rf test/
# rm: cannot remove 'test/': Directory not empty

# cd test/
# ls -hl             # empty
# cd ..
# rm -rf test/