redis集群创建时报错：Sorry, can't connect to node

1.redis集群创建时报错：Sorry, can't connect to node 

ip，端口等都配置正确的话，还需要将redis.conf文件中的密码注释掉    # requirepass 123456

2.redis集群创建时报错：in `call': ERR Slot 15495 is already busy (Redis::CommandError)

将redis.conf中定义的 cluster-config-file 所在的文件删除，重启每个节点。

3.cluster forget ...