> Because with a single-server setup like this, I'd imagine that hardware ...

Yeah. This blog post reads like it was written by someone who didn't think things through and just focused on hyper-agressive cost-cutting.

I bet their DigitalOcean vm did live migrations and supported snapshots.

You can get that at Hetzner but only in their cloud product.

You absolutely will not get that in Hetzner bare-metal. If your HD or other component dies, it dies. Hetzner will replace the HD, but its up to you to restore from scratch. Hetzner are very clear about this in multiple places.