[root@localhost ~]# systemctl stop firewalld
[root@localhost ~]# setenforce 0

[root@localhost ~]# yum clean all && yum makecache

[root@localhost ~]hostnamectl set-hostname master  #192.168.10.128
[root@localhost ~]hostnamectl set-hostname slave1  #192.168.10.129
[root@localhost ~]hostnamectl set-hostname slave2  #192.168.10.130

[root@localhost ~]# cat >>/etc/hosts<< EOF
192.168.10.128 matser：7
192.168.10.129 slave1
192.168.10.130 slave2
EOF

#安裝編譯工具
yum -y install gcc gcc-c++ make
cd  /usr/src
wget -P /usr/src http://download.redis.io/releases/redis-5.0.9.tar.gz
tar -zxvf redis-5.0.9.tar.gz
cd redis-5.0.9/
make &&  make PREFIX=/usr/local/redis install
ln -s /usr/local/redis/bin/* /usr/local/bin/
cd /usr/src/redis-5.0.9/utils/
./install_server.sh
#出現(xiàn)Please select the redis port for this instance: [6379]一直回車直達(dá)出現(xiàn)Please select the redis executable path [] 手動輸入/usr/local/redis/bin/redis-server
netstat -lnupt | grep redis
cd /usr/lib/systemd/system/
cat >>redis.service<< EOF
[Unit]
Description=redis-server
After=network.target
?
[Service]
Type=forking
# ExecStart需要按照實(shí)際情況修改成自己的地址
ExecStart=/usr/local/bin/redis-server /etc/redis/6379.conf
PrivateTmp=true
?
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
/etc/init.d/redis_6379 stop
ps -ef|grep redis
systemctl start redis
systemctl status redis

[root@master ~]# cp /etc/redis/6379.conf{,.bak}
[root@master ~]# vim /etc/redis/6379.conf
?
bind 0.0.0.0                       #70行，注釋掉bind項(xiàng)，或修改為0.0.0.0,默認(rèn)監(jiān)聽所有網(wǎng)卡
daemonize yes                      #137行，開啟守護(hù)進(jìn)程
logfile /var/log/redis_6379.log    #172行，指定日志文件目錄
dir /var/lib/redis/6379            #264行，指定工作目錄
requirepass 123456                 #7508行,指定redis登錄密碼，可不設(shè)置
appendonly yes                     #700行，開啟AOF持久化功能
?
#重啟redis
[root@master ~]#systemctl start redis

[root@slave1 ~]# cp /etc/redis/6379.conf{,.bak}
[root@slave1 ~]# vim /etc/redis/6379.conf
?
70 bind 0.0.0.0
#將監(jiān)聽端口改為任意端口
137 daemonize yes
#開啟守護(hù)進(jìn)程
172 logfile /var/log/redis_6379.log
#指定日志文件目錄
264 dir /var/lib/redis/6379
#指定工作目錄
287 replicaof 192.168.111.10 6379
#指定主節(jié)點(diǎn)的ip 和端口
700 appendonly yes
#開啟 AOF持久化
?
#重啟slave1節(jié)點(diǎn)和slave2節(jié)點(diǎn)redis服務(wù)
[root@slave1 ~]# systemctl restart reids
[root@slave2 ~]# systemctl restart reids

[root@master ~]#tail -f /var/log/redis_6379.log
[root@master ~]#redis-cli         #登錄redis
127.0.0.1:6379> info replication   #查看
127.0.0.1:6379> set k1 1         #在主庫創(chuàng)建文件在從庫查看
OK
127.0.0.1:6379> get k1        存在
"1"
127.0.0.1:6379> 

[root@master ~]# cd /usr/src/redis-5.0.9/

[root@master redis-5.0.9]# cp sentinel.conf{,.bak}
[root@master redis-5.0.9]# vim sentinel.conf
#修改配置文件
17  protected-mode no
#關(guān)閉保護(hù)模式
21 port 26379
#哨兵默認(rèn)端口號 26379
26 daemonize yes
#開啟后臺運(yùn)行
36 logfile "/var/log/sentinel.log
#指定日志目錄
65 dir "/var/lib/redis/6379"
#數(shù)據(jù)文件
84 sentinel monitor mymaster 192.168.10.128 6379 2
#改變master節(jié)點(diǎn)地址，指定該哨兵節(jié)點(diǎn)監(jiān)控192.168.10。128:6379這個主節(jié)點(diǎn)，該主節(jié)點(diǎn)的名稱是mymaster,最后的2的含義與主節(jié)點(diǎn)的故障判定有關(guān):至少需要2個哨兵節(jié)點(diǎn)同意，才能判定主節(jié)點(diǎn)故障并進(jìn)行故障轉(zhuǎn)移
113 sentinel down-after-milliseconds mymaster 30000
#可以修改時間，判定服務(wù)器down掉的時間周期，默認(rèn)30000毫秒(30秒)
146 sentinel failover-timeout mymaster 180000
#故障切換時間，故障節(jié)點(diǎn)的最大超時時間為180000 (180秒 )
[root@master redis-5.0.9]# scp sentinel.conf root@192.168.10.129:`pwd`
[root@master redis-5.0.9]# scp sentinel.conf root@192.168.10.130:`pwd`

cd /usr/src/redis-5.0.9/
[root@master redis-5.0.9]# redis-sentinel sentinel.conf &
[1] 15986
[root@slave1 redis-5.0.9]# redis-sentinel sentinel.conf &
[1] 61088
[root@slave2 redis-5.0.9]# redis-sentinel sentinel.conf &
[1] 66369

[root@master redis-5.0.9]# redis-cli -p 26379 info Sentinel

[root@master redis-5.0.9]# ps -ef | grep redis
[root@master redis-5.0.9]# systemctl stop reids      #也可以殺死 Master 節(jié)點(diǎn)上redis-server的進(jìn)程號
[root@master ~]# tail -f /var/log/sentinel.log  #驗(yàn)證master是轉(zhuǎn)換至從服務(wù)器</span>

[root@slave1 redis-5.0.9]# redis-cli -p 26379 INFO Sentinel

[root@slave2 redis-5.0.9]# redis-cli -p 26379 INFO Sentinel

[root@master redis-5.0.9]# redis-cli -p 26379
127.0.0.1:26379> info

[root@slave1 redis-5.0.9]# redis-cli -h 192.168.10.128 -p 6379 config set slave-priority 100
[root@slave1 redis-5.0.9]# redis-cli -h 192.168.10.129 -p 6379 config set slave-priority 100
[root@slave1 redis-5.0.9]# redis-cli -h 192.168.10.130 -p 6379 config set slave-priority 100

sentinel master imooc-master

sentinel slaves imooc-master

sentinel sentinels imooc-master