I lost two OS's years ago, because I had them on the same HD, and something corrupted the Boot Manager.
So now, every OS that I want to run gets its own Hard Drive. Drives are so cheap any more, that having more than one OS per drive is just foolhardy at best.
The above picture is getting a long white beard, but it still demonstrates how a person can have more than one HD attached to their Desktop PC. It also gives new meaning to the term, 'External hard drive' . If your motherboard has six to eight SATA ports, why not use them?
If I'm done testing one OS, I wipe the drive clean and install a different OS.
As for backups...... I'm still using the DOS version of Ghost, similar to what I got from the authors, back in 1997.
It not only backs up every MS OS since '98, but it also backs up Linux and MS Server.
It will make backups using FAST or HIGH compression, and save to any drive that can be seen by the motherboard.
It is also the only program I will trust to do a CLONE, of one HD to another HD.
Most important of all, is that your Backup/Restore program Must NOT be on your main drive. When that drive goes up in a puff of smoke, that program won't do you much good. For safety, your Backup/Restore program must be on a Bootable Media of some sort.
I have my Ghost backup program on CD's, Flash Drives, and even a SD Flash Memory Card. The 2003 version would even fit on a Floppy Disk, and Yes.... I still have those too.
And they work great to back up Windows XP.
I'm currently using Ghost 11.5, which is not supported anymore by Symantec Corp., but is out there in cyber land, for those who want it.
Cheers Mates,
TechnoMage