redis sentinel 配置文件参数:
[root@hankyoon ~]# vi /etc/redis/6379.conf bind 127.0.0.1 192.168.1.222 #redis服务器地址 port 26379 #sentinel端口号 daemonize yes #后台启动 protected-mode no #关闭保护模式,禁止远程直接访问 requirepass 654321 #本地访问需要密码 masterauth 654321 #备端同步访问需要密码 slave-read-only yes #备端只读
port 26379 #Sentinel 配置文件参数:
#sentinel monitor myredis 192.168.1.xxx 6379 1 #监控 人员组名/ip/端口/失效判定数(多少从端判断不同则认为master断开) #sentinel down-after-milliseconds myredis 10000 #ping 超过 10000 毫秒则认为宕机 #sentinel failover-timeout myredis 900000 #主从切换超过 30000 毫秒则认为失败 #sentinel can-failover myredis yes #master断开后是否允许判断进行故障转移 #sentinel parallel-syncs myredis 1 #从端继续同步新master的数量 port 26379 bind 0.0.0.0 dir "/u01/redis/6379/tmp" logfile "/u01/redis/6379/log/sentinel_26379.log" #redis_activity_6379 daemonize yes sentinel myid fe7a0b89dae26cc7f8ad3849c56602a3bac315d8 sentinel monitor myredis 192.168.1.108 6379 1 sentinel down-after-milliseconds myredis 10000 sentinel failover-timeout myredis 60000 # Generated by CONFIG REWRITE sentinel parallel-syncs myredis 2 sentinel auth-pass myredis c2D0RMfS21Jb sentinel config-epoch myredis 38 sentinel leader-epoch myredis 35 sentinel known-slave myredis 192.168.1.106 6379 sentinel known-slave myredis 192.168.1.107 6379 sentinel known-sentinel myredis 192.168.1.107 26379 b315c05b3ee648dd1dc2d8cbe177657fe4580eba sentinel known-sentinel myredis 192.168.1.106 26379 3761886889258c719c53141510ec91b980660189 sentinel current-epoch 38
redis sentinel 相关命令:
127.0.0.1:26379> SENTINEL masters #列出所有master状态信息 127.0.0.1:26379> SENTINEL master myredis #列出某个master状态信息 127.0.0.1:26379> SENTINEL slaves myredis #列出某个master的所有slave和状态信息 127.0.0.1:26379> SENTINEL sentinels myredis #列出某个master的sentinels 127.0.0.1:26379> SENTINEL get-master-addr-by-name myredis #通过某个master获取其IP及port 127.0.0.1:26379> SENTINEL ckquorum myredis #检查某个master是达到投票及故障转移条件 127.0.0.1:26379> SENTINEL flushconfig #强制重写 SENTINEL 配置到磁盘文件中 127.0.0.1:26379> SENTINEL failover myredis #这个操作就注意了!强制进行故障转移!慎操作!