How To rename or RM pnfs dir

Rename
 ------
  Just do the rename as the 'root' user. You will get
  the error message 
  "mv: cannot move `xxx' to `yyy': Stale NFS file handle"
  Nevertheless the directory is renamed.

 Remove
 ------
 Please us the /pnfs/fs directory to perform the 'remove'.
 # cd /pnfs/fs
 # ls
admin  README  usr
 # cat ".(id)(usr)"
000000000000000000001080
 # cd usr
 # ls
data  dir-tests  yyy
 # cat ".(id)(yyy)"
000900000000000000001090
 # sclient rmdirentry 1122 000000000000000000001080 yyy
 # ls
data  dir-tests