Natanji, et al -- ...and then Natanji said... % % Hello David, % what you propose here should work, but be aware that you are essentially % first writing all data to the 2 smaller drives and then reading from them % only when the mirror 1 TB disk gets added. If there are bad sectors that % only gets dicovered while reading (not writing), you might lose data. A much [snip] Thanks for the input! While I'd love to have the luxury of redundant backups and more devices, that's out of the cards on this little server :-/ However, after I rsync across all content I then use diff -r to check it, so I have to read each byte on each side anyway. That gives me at least a little more confidence! Have a great day :-D -- David T-G See http://justpickone.org/davidtg/email/ See http://justpickone.org/davidtg/tofu.txt