Two Nodes Can Preserve Availability. They Can't Preserve N+1 Capacity.

Two-node edge deployment no longer means what it meant two years ago. Red Hat now has two production-grade ways to run an OpenShift edge cluster on two servers instead of three, and both address the failure-coordination problem through different mechanisms. TNA preserves a third etcd vote through an arbiter; TNF uses hardware fencing to isolate a... Weiterlesen