Well, the short answer is that I would wave you off of CDs right away. For something that important, I think other solutions are called for.
As I’ve discussed before, the continual progress of storage technologies is an ongoing issue. What we choose today might not be appropriate in a few years or a few decades.
Rather than tell you what you should do, let me tell you what I do in case my photographs are ever of interest to future generations.
Yes, it’s true. In fact, I hear about it pretty much every day: digital information can be lost quite easily.
But that’s not an indictment of digital technology at all. In fact, digital data opens up more possibilities for data retention than it closes.