文件环境：CentOS7 + redis4.0.6
先去官网下载redis：https://redis.io/，然后上传到你的虚拟机，我上传到了/mysoft
先解压-》然后进入主目录-》安装
安装完，进入src目录，将
文件复制到
目录
进入
目录，在这里我们建立一个redis集群文件夹，以及用来存放节点配置文件的三个文件夹7001,7002,7003。
将redis主目录里面的配置文件拷贝到这三个文件夹
vim 7001/redis.conf
注意：如果不把bind的127.0.0.1改成网络ip，之后进行的工作会报错，如下，can't connect ...
对于上面的步骤，两台机器各安装一个redis，六个配置文件都要改，注意ip和端口。
接下来我们的目标是
，可是这个需要ruby环境（一台机器安装即可）。更需要2.2.2以上版本，然而centos7只能yum2.0.0，所以为了不让大家采坑，我们跳过网络上的教程，如下
，如果大家不信，我给你们看这种方式安装的问题
打开rvm官网：http://rvm.io/
复制上面两段话到虚拟机
安装完之后
可以看到最高2.4.1（与官网不太一致哦注意，此时官网已经公布2.5.0）
下面安装
开启防火墙端口
[root@localhost redis-cluster]# firewall-cmd --zone=public --add-port=7001/tcp --permanentsuccess[root@localhost redis-cluster]# firewall-cmd --zone=public --add-port=7002/tcp --permanentsuccess[root@localhost redis-cluster]# firewall-cmd --zone=public --add-port=7003/tcp --permanentsuccess[root@localhost redis-cluster]# systemctl restart firewalld
[root@localhost redis-cluster]# firewall-cmd --zone=public --add-port=7004/tcp --permanentsuccess[root@localhost redis-cluster]# firewall-cmd --zone=public --add-port=7005/tcp --permanentsuccess[root@localhost redis-cluster]# firewall-cmd --zone=public --add-port=7006/tcp --permanentsuccess[root@localhost redis-cluster]# systemctl restart firewalld
netstat -tunlp | grep redis
利用上面的命令查看启动情况
最后执行集群操作（安装ruby就是为了安装redis gem，而redis gem 是为了能运行redis-trib.rb）
[root@localhost redis-cluster]# redis-trib.rb create --replicas 1 192.168.127.129:7001 192.168.127.129:7002 192.168.127.129:7003 192.168.127.130:7004 192.168.127.130:7005 192.168.127.130:7006
>>> Creating cluster>>> Performing hash slots allocation on 6 nodes...Using 3 masters:192.168.127.129:7001192.168.127.130:7004192.168.127.129:7002Adding replica 192.168.127.130:7005 to 192.168.127.129:7001Adding replica 192.168.127.129:7003 to 192.168.127.130:7004Adding replica 192.168.127.130:7006 to 192.168.127.129:7002M: 0383b1fbe71d8f4349a094711896632f5c54b40c 192.168.127.129:7001 slots:0-5460 (5461 slots) masterM: 3811c6a22253dfc65d251d9408eb98d67e1452dd 192.168.127.129:7002 slots:10923-16383 (5461 slots) masterS: cd061c004d5e369674959ac904c8388f81ae9d9b 192.168.127.129:7003 replicates 822306088f036ee5e27fbe53420e2160f06408eaM: 822306088f036ee5e27fbe53420e2160f06408ea 192.168.127.130:7004 slots:5461-10922 (5462 slots) masterS: 7580e123ca9eff829540e5e7cd34afcbab5b2b64 192.168.127.130:7005 replicates 0383b1fbe71d8f4349a094711896632f5c54b40cS: 7914649b247bd38dacf8adb5d16460d02b02fb05 192.168.127.130:7006 replicates 3811c6a22253dfc65d251d9408eb98d67e1452ddCan 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 clusterWaiting for the cluster to join.......>>> Performing Cluster Check (using node 192.168.127.129:7001)M: 0383b1fbe71d8f4349a094711896632f5c54b40c 192.168.127.129:7001 slots:0-5460 (5461 slots) master 1 additional replica(s)S: cd061c004d5e369674959ac904c8388f81ae9d9b 192.168.127.129:7003 slots: (0 slots) slave replicates 822306088f036ee5e27fbe53420e2160f06408eaS: 7914649b247bd38dacf8adb5d16460d02b02fb05 192.168.127.130:7006 slots: (0 slots) slave replicates 3811c6a22253dfc65d251d9408eb98d67e1452ddM: 3811c6a22253dfc65d251d9408eb98d67e1452dd 192.168.127.129:7002 slots:10923-16383 (5461 slots) master 1 additional replica(s)M: 822306088f036ee5e27fbe53420e2160f06408ea 192.168.127.130:7004 slots:5461-10922 (5462 slots) master 1 additional replica(s)S: 7580e123ca9eff829540e5e7cd34afcbab5b2b64 192.168.127.130:7005 slots: (0 slots) slave replicates 0383b1fbe71d8f4349a094711896632f5c54b40c[OK] All nodes agree about slots configuration.>>> Check for open slots...>>> Check slots coverage...[OK] All 16384 slots covered.
192.168.127.129:7001> cluster nodes
查看集群状态
不难发现，集群中一个主节点set了一个值，其它主节点能获取到，从节点也能获取到。
到此，集群搭建完毕