tl;dr - A drive attached to a Hetzner dedicated server failed, my drive has both mdraid and ZFS set up so I restored thanks to Hetzner documentation and Joyent’s nice high level docs on ZFS drive replacement combined with the OpenBSD Handbook’s section on ZFS and OpenZFS (ZFS On Linux) Docs. Recently I’ve undergone the pretty traumatic expansion of my Kubernetes control plane from single controller (which was also acting as a node in the cluster and running workloads) to a 3 Hetzner Clo...
