原 【DB宝40】MySQL高可用管理工具Orchestrator简介及测试
Tags: 原创MySQL高可用监控Orchestrator
四、修改集群别名
修改完成后,刷新页面:
注意:集群别名不支持中文。
五、拖动界面修改主从关系
手动修改主从关系:
六、自动failover
要实现自动failover,需要修改2个参数:
1 2 3 | [root@lhrorchestrator orchestrator]# more orchestrator.conf.json | grep ClusterFilters "RecoverMasterClusterFilters": ["*"], "RecoverIntermediateMasterClusterFilters": ["*"], |
这2个参数表示定义哪些集群可以自动failover和recover。
自动failover之前:
宕掉主库:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | [root@lhrorchestrator /]# mysql -uroot -plhr -h172.72.0.2 -P3306 mysql: [Warning] Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 11357 Server version: 5.7.30-log MySQL Community Server (GPL) Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> shutdown ; Query OK, 0 rows affected (0.00 sec) |