Thanks everyone...
Just to add, my back up system is to have an active back up to a external HD. Actually, as we speak, a new WD My Book is humming as it backs up my different hard drives. I then have various "My Passport" external hard drives. A couple just lying around, but, more importantly, two that I keep offsite that I update periodically. I know some people back up to the cloud, but I prefer to have physical hard drives.
What I am trying to do is decide where to store photos that I am actively working on as my current hard drive (from 2016) is full. I do not have to move the information off my current hard drives. But, you make a good point, two of those hard drives are from 2011 and the other is from 2016. No failures yet, but....
Yep, when I built this computer I was shooting the 7D. As for the new computer, it is just a matter of when. I have been making upgrades to this computer over the years. As it currently stands, 32 GB of DDR3 1666 RAM, AMD 8 core 4 GHz processor, GeForce 1050i video card, etc. And it works very well. But, I will want to upgrade before it starts having issues and newer faster is out there.
Thanks for the help.