Mladen, >>in v2 protocol, NFS was using UDP and was stateless, Yeah...in my first post I was praising the joy of RMAN and NFS. There was a time way back when I would have never used NFS for RMAN. I would not use NFS for much of anything back then. >> In addition to locking, NFS4 will add client side caching, >> which would speed things up enormously and async I/O and >> direct I/O will come standard. >> The old lore no longer applies. I'm very intrigued. >> Really good summary can be found at: >> http://www.citi.umich.edu/projects/nfsv4 I will have look and share with a few co-workers. Thanks, Chris Marquez Oracle DBA