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1、修改配置文件中的 bind ,注释该配置,取消绑定仅主机登录

[root@localhost ~]# cd /usr/local/redis/
[root@localhost redis]# ll
总用量 232
drwxr-xr-x. 2 root root    150 12月  6 2023 bin
-rw-r--r--. 1 root root     89 12月 20 2023 dump.rdb
-rw-r--r--. 1 root root    207 6月  24 12:33 redis_6379.conf
-rw-r--r--. 1 root root    207 6月  24 12:47 redis_6380.conf
-rw-r--r--. 1 root root    207 6月  24 12:52 redis_6381.conf
-rw-r--r--. 1 root root 106546 6月  24 13:03 redis_common.conf
-rw-r--r--. 1 root root 106546 12月  6 2023 redis.conf
[root@localhost redis]# 

[root@localhost redis]# vim redis_common.conf 

2、修改protected-mode 为no,取消保护模式

3、查看redis的进程状态

[root@localhost redis]# ps -ef | grep redis
root       6926      1  0 14:16 ?        00:00:00 /usr/local/redis/bin/redis-server *:6379
root       6965      1  0 14:19 ?        00:00:00 /usr/local/redis/bin/redis-server *:6380
root       6980      1  0 14:20 ?        00:00:00 /usr/local/redis/bin/redis-server *:6381
root       6997   6479  0 14:21 pts/3    00:00:00 grep --color=auto redis
[root@localhost redis]# 

变成 * 代表配置修改成功

4、配置6380是6379的从机

[root@localhost ~]# /usr/local/redis/bin/redis-cli -p 6380
127.0.0.1:6380> ping
PONG
127.0.0.1:6380> slaveof 192.168.74.148 6379
OK
127.0.0.1:6380> info replication
# Replication
role:slave
master_host:192.168.74.148
master_port:6379
master_link_status:up
master_last_io_seconds_ago:6
master_sync_in_progress:0
slave_read_repl_offset:168
slave_repl_offset:168
slave_priority:100
slave_read_only:1
replica_announced:1
connected_slaves:0
master_failover_state:no-failover
master_replid:bad8e16c55e217d4cab9aff4598fd83f84b74336
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:168
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:169
repl_backlog_histlen:0
127.0.0.1:6380> 

5、配置6381是6379的从机

[root@localhost ~]# /usr/local/redis/bin/redis-cli -p 6381
127.0.0.1:6381> ping
PONG
127.0.0.1:6381> slaveof 192.168.74.148 6379
OK
127.0.0.1:6381> info replication
# Replication
role:slave
master_host:192.168.74.148
master_port:6379
master_link_status:up
master_last_io_seconds_ago:4
master_sync_in_progress:0
slave_read_repl_offset:294
slave_repl_offset:294
slave_priority:100
slave_read_only:1
replica_announced:1
connected_slaves:0
master_failover_state:no-failover
master_replid:bad8e16c55e217d4cab9aff4598fd83f84b74336
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:294
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:295
repl_backlog_histlen:0
127.0.0.1:6381> 

6、查看主机 6379 的主从信息

[root@localhost ~]# /usr/local/redis/bin/redis-cli -p 6379
127.0.0.1:6379> ping
PONG
127.0.0.1:6379> info replication
# Replication
role:master
connected_slaves:2
slave0:ip=192.168.74.148,port=6380,state=online,offset=406,lag=1
slave1:ip=192.168.74.148,port=6381,state=online,offset=406,lag=1
master_failover_state:no-failover
master_replid:bad8e16c55e217d4cab9aff4598fd83f84b74336
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:406
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:406
127.0.0.1:6379>