Scaling master nodes fails with error "waiting for etcd members to start"

Problem

• Scaling master node fails with error waiting for etcd members to start

Environment

• Platform9 Managed Kubernetes - v5.5.8

Cause

• There was a unstarted/stale etcd member in the cluster:

Resolution

• Identify the unstarted etcd member using below command:

# etcdctl member list

• Remove unstarted etcd member:

# etcdctl member remove <ID>

• Try to scale the master node.