I have two HDDs. Funnily enough, when my Windows mess up I lose all my data at which point I hate windows. So what I did was, I have a spare 60GB HDD which I install XP on and another 200GB HDD for all my files.
For my Linux installiation, I partition my 60GB drive in 40GB (XP) and 20GB (Linux). Whilst using Ubuntu, it has a shortcut to my other HDD on the desktop, or I can access it via folders /media/hdb1. When I removed Ubuntu (because I found it a little annoying installing things), I put SUSE on. After my successful SUSE installation; on the desktop my other HDD does not show, I went