Just to add that Tim Hall describes the entire setup as well (www.oracle-base.com/articles/12c/oracle-db-12cr1-rac-installation-on-oracle-linux-6-using-virtualbox.php, under Virtual Machine Setup). Consider that in most cases, as far as the local storage on the guest machine is concerned, the default Linux disk layout is sufficient (you don't need separate partitions for your test environment). You'll need separate virtual shared disks though and you'll find the exact steps in the previously mentioned articles/video tutorials. Regards Dimitre -- //www.freelists.org/webpage/oracle-l