The PS3 had a Backup/Restore utility that allows you to backup/restore various data on the PS3. It can be found under: Settings > System Settings > Backup Utility. The backup utility does not backup user settings and copy-protected material, this includes downloaded games, certain game savedata (e.g. Killzone 2 and Guitar Hero 5) and videos downloaded from the PlayStation Video Store.
How can I backup/restore data on the PS3?