This is the last of three parts. In part one I split my personal services onto their own two-node cluster. In part two I read the orchestrator's source and fixed two bugs, which shipped in the next release. This part is what happened when I installed that release. It broke the cluster three separate ways. None of them shared a root cause. Here they are in the order I hit them. Failure one: glibc floor I copied the official release binary to the second node and the service went...