Am 13.03.2012 00:48, schrieb Nataraj: > I have been sucessfully using 8GB dual layer DVDs for some of my > backups/archiving and now that the price of Blu ray has come down I am > about to experiment with that. I have been writing dump format files to > the DVD's and then writing an SHA256 checksum for each dump file so it's > very easy to verify the integrity of the dump. > > I am also about to try daily emcrypted backups to http://rsync.net along > with periodic archival to blu-ray disk for one of my backup needs. In my experience, the long-term stability of DVDs is rather questionable. I've had quite a few nasty surprises with DVDs. Even single-layer ones regularly turn out to be unreadable after two or three years, and double-layer ones are worse. I don't know if Blueray is any better in that respect. -- Tilman Schmidt Phoenix Software GmbH Bonn, Germany