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Scaling Up: Building a Bulletproof K3s Cluster on Proxmox

Scaling Up: Building a Bulletproof K3s Cluster on Proxmox I’ve been running services in my homelab for a while, but recently I hit a wall. I had a two-node Proxmox cluster that was supposed to be “High Availability,” but in reality, it was just a split-brain headache waiting to happen. If you know anything about clustering, you know that two nodes is not a cluster. If one node goes down, the survivor doesn’t know if it’s the leader or if it’s isolated.

4 minutes to read

Troubleshooting Proxmox: When Simple Migrations Go Wrong

Troubleshooting Proxmox: When Simple Migrations Go Wrong I love my Proxmox cluster. It’s the beating heart of my homelab, hosting everything from my game servers to my media stack. But sometimes, what should be a simple click-of-a-button task turns into an hour-long troubleshooting rabbit hole. Recently, I tried to migrate a VM from my primary node (pve1) to my secondary node (pve2). I’ve done this a dozen times before. I clicked “Migrate,” selected the target node, and waited for the magic to happen.

4 minutes to read