>> But this has little to do with Linux vs UNIX.
>
Our severe NFS problems occur only on Linux machines (have you ever
tried to copy a very large file while doing blast-searches against a
NFS-shared database?) - the load of blast on its own is about 4,12
Mbyte/s and when you then copy a file via NFS....
By the way - which NFS-server do you use (the kernelNFS or the UserNFS?)