[opensuse] Upgrade to 10.3

I use SLED SP1 and wonder if it is possible to upgrade from SLED to 10.3 without losing data on the hard drive? If so, can someone instruct me on how to do this? -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org