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目录
一、DRBD 原理与架构信息 ............................................................................................. 3
1、原理简述................................................................................................................. 3
2、架构图 .................................................................................................................... 4
3、主机信息： ............................................................................................................. 4
二、Heartbeat+DRBD+MySQL 安装 .................................................................................. 5
1、定义主机名 ............................................................................................................. 5
2、创建磁盘分区 ......................................................................................................... 5
3、安装 drbd、heartbeat ............................................................................................. 7
4、配置 DRBD .............................................................................................................. 8
5、加载 drbd 模块并建立 resource .......................................................................... 9
6、配置 heartbeat ...................................................................................................... 12
三、测试 Mysql HA ........................................................................................................ 14
1、手动切换 Node ..................................................................................................... 14
2、模拟 Master 节点宕机或者网络中断 .................................................................. 17
附：HA 开、关机流程 ................................................................................................... 17
1、正确开机步骤 ....................................................................................................... 17
2、正确关机步骤 ....................................................................................................... 17
