I use GoodSync software to backup my photos and other important data. This software makes it easy to maintain a backup that is an exact match of the source data. Among other things that makes it incredibly easy to recover from a hard drive failure, because the synchronized backup can easily be put to use in place of the original drive.
If you’re interested in using GoodSync in your own backup workflow, you can now get a discount off a subscription to GoodSync (through December 31, 2020) by using this link to get started: