If you are ever supporting a client that has upgraded to Retrospect 10 and their server suddenly slows down to a crawl, it is because of a new “feature” called Retrospect Instant Scan Technology. It scans volumes in the background in order to speed up backups and restores, BUT it takes up like 200% of processor and gigs of RAM. You can turn it off with the System Preference. If they ever fix it, it might be a great feature, but as of right now it needs to be turned off.