Originally Posted by aniruddha
They do recommend that for a reason, openSUSE tend to break when upgrading to a new release. You can upgrade to a new release from the DVD but even that is discouraged by the devs.
Done properly, it goes smooth as silk. After personally doing 300+ upgrades to machines using 10.3 to 11.0 I can state that as fact. Proper preparation is the key.