On the scale of millennia, I wouldn't be too worried; disasters happen to any storage medium, and even our knowledge of Greek and Roman society today comes from

On the scale of millennia, I wouldn't be too worried; disasters happen to any storage medium, and even our knowledge of Greek and Roman society today comes from surprisingly few sources. I think the bigger concern is the near-term effect of something like an EMP event, the digital library of papyruses burning down.