Redis 安装，主从配置及Sentinel配置自动Failover

zhangbinmy

[3512] 03 Nov 10:33:49.516 # +sdown master mymaster 172.17.16.7 6379　　
[3512] 03 Nov 10:33:49.716 # +odown master mymaster 172.17.16.7 6379 #quorum 3/2
　　
[3512] 03 Nov 10:33:49.716 # +failover-triggered master mymaster 172.17.16.7 6379
　　
[3512] 03 Nov 10:33:49.716 # +failover-state-wait-start master mymaster 172.17.16.7 6379 #starting in 8139 milliseconds
　　
[3512] 03 Nov 10:33:57.893 # +failover-state-select-slave master mymaster 172.17.16.7 6379
　　
[3512] 03 Nov 10:33:57.997 # +selected-slave slave 172.17.16.21:6379 172.17.16.21 6379 @ mymaster 172.17.16.7 6379
　　
[3512] 03 Nov 10:33:57.997 * +failover-state-send-slaveof-noone slave 172.17.16.21:6379 172.17.16.21 6379 @ mymaster 172.17.16.7 6379
　　
[3512] 03 Nov 10:33:58.101 * +failover-state-wait-promotion slave 172.17.16.21:6379 172.17.16.21 6379 @ mymaster 172.17.16.7 6379
　　
[3496] 03 Nov 10:33:58.101 * MASTER MODE enabled (user request)
　　
[3512] 03 Nov 10:33:58.741 # +promoted-slave slave 172.17.16.21:6379 172.17.16.21 6379 @ mymaster 172.17.16.7 6379
　　
[3512] 03 Nov 10:33:58.741 # +failover-state-reconf-slaves master mymaster 172.17.16.7 6379
　　
[3512] 03 Nov 10:33:58.849 * +slave-reconf-sent slave 172.17.16.22:6379 172.17.16.22 6379 @ mymaster 172.17.16.7 6379
　　
[3512] 03 Nov 10:33:58.957 * +slave-reconf-inprog slave 172.17.16.22:6379 172.17.16.22 6379 @ mymaster 172.17.16.7 6379
　　
[3496] 03 Nov 10:33:59.080 * Slave ask for synchronization
　　
[3496] 03 Nov 10:33:59.080 * Starting BGSAVE for SYNC
　　
[3496] 03 Nov 10:33:59.081 * Background saving started by pid 3515
　　
[3515] 03 Nov 10:33:59.086 * DB saved on disk
　　
[3515] 03 Nov 10:33:59.087 * RDB: 0 MB of memory used by copy-on-write
　　
[3496] 03 Nov 10:33:59.188 * Background saving terminated with success
　　
[3496] 03 Nov 10:33:59.189 * Synchronization with slave succeeded
　　
[3512] 03 Nov 10:33:59.994 * +slave-reconf-done slave 172.17.16.22:6379 172.17.16.22 6379 @ mymaster 172.17.16.7 6379
　　
[3512] 03 Nov 10:34:00.093 # +failover-end master mymaster 172.17.16.7 6379
　　
[3512] 03 Nov 10:34:00.093 # +switch-master mymaster 172.17.16.7 6379 172.17.16.21 6379
　　
[3512] 03 Nov 10:34:00.194 * +slave slave 172.17.16.22:6379 172.17.16.22 6379 @ mymaster 172.17.16.21 6379
　　
[3512] 03 Nov 10:34:00.325 * +sentinel sentinel 172.17.16.7:26379 172.17.16.7 26379 @ mymaster 172.17.16.21 6379
　　
[3512] 03 Nov 10:34:05.192 * +sentinel sentinel 172.17.16.22:26579 172.17.16.22 26579 @ mymaster 172.17.16.21 6379
　　
[3512] 03 Nov 10:34:30.134 # +sdown slave 172.17.16.7:6379 172.17.16.7 6379 @ mymaster 172.17.16.21 6379