1.新增 master
redis-cli --cluster add-node 192.168.1.113:7007 192.168.1.111:7001
2.slave 挂靠 master
[root@eshop-cache01 ~]# redis-cli --cluster add-node 192.168.1.113:7008 192.168.1.112:7004 --cluster-slave --cluster-master-id a7c1dd92253e952bb2f1d93d00dd801d1bc0f7eb >>> Adding node 192.168.1.113:7008 to cluster 192.168.1.112:7004 >>> Performing Cluster Check (using node 192.168.1.112:7004) M: a7c1dd92253e952bb2f1d93d00dd801d1bc0f7eb 192.168.1.112:7004 slots:[1365-5460] (4096 slots) master 1 additional replica(s) S: 441d74da253e86db4e8aec0e26e2ed055c709405 192.168.1.111:7001 slots: (0 slots) slave replicates a7c1dd92253e952bb2f1d93d00dd801d1bc0f7eb M: 5a36b804152cf43a4c0d4c5fd628ff39885ae06b 192.168.1.113:7007 slots:[0-1364],[5461-6826],[10923-12287] (4096 slots) master M: a5bbab4f7ff2c9e984437229e8f65fa9ac70630c 192.168.1.112:7003 slots:[6827-10922] (4096 slots) master 1 additional replica(s) S: 537fdb0807dc92d22d5b1463985184d60ef32be0 192.168.1.113:7006 slots: (0 slots) slave replicates a5bbab4f7ff2c9e984437229e8f65fa9ac70630c M: 6cfedc8e2561185e021c9c3b3e986ea7bcebe1f8 192.168.1.111:7002 slots:[12288-16383] (4096 slots) master 1 additional replica(s) S: c42d4d0979d18d6d5c0bb931bbbe5e3c5198e375 192.168.1.113:7005 slots: (0 slots) slave replicates 6cfedc8e2561185e021c9c3b3e986ea7bcebe1f8 [OK] All nodes agree about slots configuration. >>> Check for open slots... >>> Check slots coverage... [OK] All 16384 slots covered. >>> Send CLUSTER MEET to node 192.168.1.113:7008 to make it join the cluster. Waiting for the cluster to join >>> Configure node as replica of 192.168.1.112:7004. [OK] New node added correctly.