I have three active partitions, Controversion (C:), Disenchanted (D:) and Energy (E:)

Controversion has all my software and some project files, media and stuff like that
Disenchanted has backups, downloads, and project files
Energy has windows and only windows related stuff

I also have an Linux/Lockdown (L:) partition that currently holds it's place as an Linux partition, which I will later turn into an entirely Backup-based drive.

I had all these along I lost alot of stuff. It happened when I accidentally forgot to back up some (read almost all) project folders.