We Rebooted a K3s Node and Longhorn's Replica Rebuild Silently Stalled at 0%. The Storage Network Startup Race Nobody Warned Us About
A K3s node reboot left a Longhorn replica rebuild stuck at 0%. Based on a real bug report, we break down the Storage Network (Multus) startup race, replica count design, and node drain pitfalls for running Longhorn safely in production.