I'm a BIG believer in regular backups. While photo editor at Texas Highways magazine, I was also the section's "computer guy." This meant I kept around 16 Mac computers updated, running, and backed up. We used Retrospect to backup every evening to dedicated hard drives, which we rotated every week. I also kept an offsite backup set at my home. In my 15 years there, we only lost ONE computer, to a power surge. The backup made getting the replacement back into production easy. Most times I needed to go into the backups were the result of human error, somebody deleting a file by mistake.
Now that I'm retired, my home MacPro desk machine has 4 internal hard drives. #1 has all OS files, applications, etc. #2 is a clone of it. #3 is my Lightroom_Library, with about 33K digital files. #4 is a clone of #3. Whenever I work in Lightroom, after I finish I use SuperDuper to clone #3 to #4. Once a month, I go to my workshop, 100 yards from house, and get the "offsite" drives; and backup the two main drives in the MacPro, plus my laptop and my wife's laptop.
In addition, we have a Time Capsule that runs all the time in the background.
After all, it is not a matter of IF a hard drive will fail; it's just a matter of WHEN. Be prepared!
2014 Chevrolet Silverado 3500HD Crew Cab, long box, Duramax and 3.73, SRW
Equal-i-zer 1k WDH, 2013 White Hawk 27DSRL
Los Madrones, a little slice of Texas hill country heaven