Add an Orderer to a Running Raft-based Orderer Cluster

1. Overview

Raft-based ordering service provides crash fault tolerant cluster setup for ordering service. Since its introduction in release 1.4.1, it becomes a better cluster solution than Kafka, and recently becomes the recommended ordering service setup in v2.0. One of the most common ask is about the process of adding an orderer in a running orderer cluster. While fabric documentation provides some guideline, there are some good posts addressing this. Here I come up this article to give a more detail step-by-step illustration…