Redis cluster master slave - not able to add key

使用出现CLUSTERDOWN Hash slot not served（redis cluster重新 error clusterdown hash slot not served In our example cluster with nodes A, B, C, if node B fails the cluster is not able to continue, since we no longer have a way to serve hash slots in the range error_ draggable element must have an item slot CLUSTERDOWN Hash slot not served Once the cluster was fully reconfigured, we then had some services stuck on these errors : dial

error_ replication slot is active for pid 在搭建版本的集群环境曾出现各节点无法互相发现与Hash槽分配异常CLUSTERDOWN Hash slot not served的情况，故而把解决方式记录下来。