centos配置redis的主从复制（2）

添加一台机器[192.168.42.154]来做高可用 同样我们需要设置好,IP,主机名,下载安装redis

192.168.42.154 redis-sentinel  #将主机解析追加至其他的4台的hosts文件中,本机也需要一份
cd /usr/local/src
wget http://192.168.42.26/install_package/down/redis-3.2.3-1.el7.x86_64.rpm
yum install redis-3.2.3-1.el7.x86_64.rpm -y

(1)配置sentinel

# sentinel monitor     #法定人数
cp /etc/redis-sentinel.conf{,.back}
vim /etc/redis-sentinel.conf

daemonize yes
sentinel monitor mymaster 192.168.42.150 6379 1
sentinel down-after-milliseconds mymaster 5000
sentinel failover-timeout mymaster 18000
sentinel auth-pass mymaster centos.123 #这是认证选项,我们这里的主节点并没有开启认证

(2)启动sentinel

redis-sentinel /etc/redis-sentinel.conf
查看端口是否已经启动
netstat -tupln