Here's how to automatically or manually back up your data, and then restore it on your Mac using Apple's Time Machine feature ...

Use Time Machine as an additional safeguard Time Machine can serve as a valuable second layer of protection for your Photos Library.

The Raspberry Pi makes an ideal candidate for a Time Machine backup target because it’s low-power and unobtrusive. I used a Pi 4 with 4GB of RAM, but even the 2GB model would work fine for this ...