[user@server mnt]# ls -lh
total 4.0K
?--------- ? ?    ?       ?            ? backup
[user@server mnt]# rm backup
rm: cannot lstat `backup': Host is down
[user@server mnt]# unlink backup
unlink: cannot unlink `backup': Is a directory
[user@server mnt]# rm -d backup
rm: cannot lstat `backup': Host is down