Hi, just to do nothing wrong: for lustre 1.6.0.1 e2fsprogs version: 1.39.cfs8 is recommended. Can I assume that I can also better use the most recent version which is recommended for 1.6.4.1 which is e2fsprogs version: 1.40.2-cfs1 Harald -- Harald van Pee Helmholtz-Institut fuer Strahlen- und Kernphysik der Universitaet Bonn