Either the node already knows other nodes (check with CLU
[ERR]Node192.168.1.77:7000isnotempty.Eitherthenodealreadyknowsothernodes(checkwithCLUSTERNODES)orcontainssomekeyindatabase0.解决方法:1)、将需要新增的节点下aof、rdb、nodes.conf等本地备份文件删除;2)、同时将新Node的集群配置文件删除,即:删除你redis