> Are occasional undetected errors like this to be expected? > I thought there were sufficient stages of checksumming/parity > (both boxes have ECC memory) etc to render the probability > of this to be vanishingly small. It has always been my experience that NFS, to use a technical term, sucks :-). (Especially if there are different operating systems and NFS versions involved at either end). rsync or SMB or even ftp or kermit seem infinitely more reliable.