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| IP地址 | 主机名 |
| 192.168.10.161 | redis161 |
| 192.168.10.162 | redis162 |
| 192.168.10.163 | redis163 |
- 配置主机host161，redis服务连接密码为123456
- 主机host162设置连接host61的redis服务密码
给host161主机的Redis服务设置连接密码，如果从服务器不指定连接密码无法同步数据。
步骤一：配置主机host61，redis服务密码为123456
步骤一：配置主机host61，redis服务密码为123456
[root@redis161 ~]# redis-cli -h 192.168.10.161 -p 6379
192.168.10.161:6379> CONFIG GET requirepass
1) "requirepass"
2) ""
192.168.10.161:6379> config set requirepass 123456
OK
192.168.10.161:6379> auth 123456
OK
192.168.10.161:6379> CONFIG GET requirepass
1) "requirepass"
2) "123456"
192.168.10.161:6379> config rewrite
192.168.10.161:6379> exit
[root@redis161 ~]# tail -n 1 /etc/redis.conf
requirepass "123456"
#查看复制信息
[root@redis161 ~]# redis-cli -h 192.168.10.161 -p 6379
192.168.10.161:6379> info replication
NOAUTH Authentication required.
192.168.10.161:6379> auth 123456
OK
192.168.10.161:6379> info replication
# Replication
role:master
connected_slaves:0 没有从服务器了 （因为从没有输入连接密码连接不上主服务器）
master_replid:222f317cb008e09781b92761dd79126c34f661ad
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:3677
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:3677
步骤二：配置主机host62
设置连接host61redis服务的密码
[root@redis162 ~]# redis-cli -h 192.168.10.162 -p 6379
192.168.10.162:6379> config set masterauth 123456 #配置master节点连接密码
OK
192.168.10.162:6379> config rewrite
OK
192.168.10.162:6379> info replication
# Replication
role:slave
master_host:192.168.10.161
master_port:6379
master_link_status:up
master_last_io_seconds_ago:6
master_sync_in_progress:0
slave_repl_offset:3691
slave_priority:100
slave_read_only:1
connected_slaves:1
slave0:ip=192.168.10.163,port=6379,state=online,offset=3691,lag=0
master_replid:222f317cb008e09781b92761dd79126c34f661ad
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:3691
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:3678
repl_backlog_histlen:14
[root@redis162 ~]# tail -n 1 /etc/redis.conf
masterauth "123456"