There are lots of tools like FoG, G4L, PING, CloneZilla, etc. which allow you to boot from a CD/USB-key and follow some on-screen menus to backup your hard disk to an FTP server, SSH server, or ...
I have a WD disk drive of 1 Tera Byte capacity with Fedora 14 installed. On it I also have Virtual Box with a Windows XP guest installed. Now BIOS startup and Fedora is reporting that disk failure ...
I am of course talking about full "system image" backups, similar to the old Norton Ghost. Should I look at other options? There are quite a few paid and free choices, but Clonezilla looks the best ...