[ERR] Node 172.168.63.202:7001 is not empty. Either the nodealready knows other nodes (check with CLUSTER NODES) or contains some

本文轉載自查看原文 2017-03-30 09:33 12313 各類問題/ 問題/ redis

關於啟動redis集群時：

[ERR] Node 172.168.63.202:7001 is not empty. Either the nodealready knows other nodes (check with CLUSTER NODES) or contains some

的問題

解決辦法：

1)將每個節點下aof、rdb、nodes.conf本地備份文件刪除；
2)172.168.63.201:7001> flushdb #清空當前數據庫(可省略)
3)之后再執行腳本，成功執行；

這里解釋一下dump.rdb文件：

dump.rdb是由Redis服務器自動生成的默認情況下每隔一段時間redis服務器程序會自動對數據庫做一次遍歷，把內存快照寫在一個叫做“dump.rdb”的文件里，這個持久化機制叫做SNAPSHOT。有了SNAPSHOT后，如果服務器宕機，重新啟動redis服務器程序時redis會自動加載dump.rdb，將數據庫狀態恢復到上一次做SNAPSHOT時的狀態。

SNAPSHOT即快照

重新連接redis集群，成功

剛剛發現這種情況發生在每次非正常關閉redis集群的時候

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