【README】

創建集群報錯 can't connect to node 192.168.163.203??

[root@centos201 ~]# /usr/local/redis-cluster/bin/redis-trib.rb create --replicas 0 192.168.163.201:6379 192.168.163.202:6379 192.168.163.203:6379 >>> Creating cluster Connecting to node 192.168.163.201:6379: OK Connecting to node 192.168.163.202:6379: OK Connecting to node 192.168.163.203:6379: [ERR] Sorry, can't connect to node 192.168.163.203:6379

【1】解決方法

切換到 203機器，關閉其防火墻；

systemctl stop firewalld.service? ??

?

【2】再次創建redis集群

--replicas 參數為0 ，表示0個副本，即所有節點全部是 master?

[root@centos201 ~]# /usr/local/redis-cluster/bin/redis-trib.rb create --replicas 0 192.168.163.201:6379 192.168.163.202:6379 192.168.163.203:6379 >>> Creating cluster Connecting to node 192.168.163.201:6379: OK Connecting to node 192.168.163.202:6379: OK Connecting to node 192.168.163.203:6379: OK >>> Performing hash slots allocation on 3 nodes... Using 3 masters: 192.168.163.201:6379 192.168.163.202:6379 192.168.163.203:6379 M: 5571f088f9d8798dd0c2e973ced830c2cd8033a2 192.168.163.201:6379slots:0-5460 (5461 slots) master M: 99a3516a03612dba4b73c32e7e1e03ff1145a660 192.168.163.202:6379slots:5461-10922 (5462 slots) master M: 5c0ea563b464e58dd8dc9722cdfcb97a85c44714 192.168.163.203:6379slots:10923-16383 (5461 slots) master Can I set the above configuration? (type 'yes' to accept): yes >>> Nodes configuration updated >>> Assign a different config epoch to each node >>> Sending CLUSTER MEET messages to join the cluster Waiting for the cluster to join. >>> Performing Cluster Check (using node 192.168.163.201:6379) M: 5571f088f9d8798dd0c2e973ced830c2cd8033a2 192.168.163.201:6379slots:0-5460 (5461 slots) master M: 99a3516a03612dba4b73c32e7e1e03ff1145a660 192.168.163.202:6379slots:5461-10922 (5462 slots) master M: 5c0ea563b464e58dd8dc9722cdfcb97a85c44714 192.168.163.203:6379slots:10923-16383 (5461 slots) master [OK] All nodes agree about slots configuration. >>> Check for open slots... >>> Check slots coverage... [OK] All 16384 slots covered.

bingo ！?

創建redis集群成功 ！?

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總結

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