关于 mysql+keepalived 双主集群的疑惑 - V2EX
singerll

关于 mysql+keepalived 双主集群的疑惑

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  •   singerll Sep 10, 2019 via Android 2742 views
    This topic created in 2436 days ago, the information mentioned may be changed or developed.

    昨天发现一个现象,物理机 A 和 B,虚拟地址 C 在 A 节点上时,在 a 上测试 c 地址全通,但在 b 机器上执行 telnet,22 端口等都没问题,但数据库 3306 端口不通,是本来可以通的还是因为虚拟路由的问题。。。有没有大佬解惑一下

    11 replies    2019-09-10 14:00:42 +08:00
    singerll
        1
    singerll  
    OP
       Sep 10, 2019 via Android
    在 b 机器上 telnet 虚拟地址 c,是数据库端口不通,网络内其他机器到 c 地址都没问题
    fredcc
        2
    fredcc  
       Sep 10, 2019
    用第三台物理机测试
    singerll
        3
    singerll  
    OP
       Sep 10, 2019 via Android
    @fredcc 私网内其他机器访问地址 c 任何端口都没问题
    LeeSeoung
        4
    LeeSeoung  
       Sep 10, 2019
    telnet A 的 3306 端口通吗?
    singerll
        5
    singerll  
    OP
       Sep 10, 2019
    @LeeSeoung 通的
    defunct9
        6
    defunct9  
       Sep 10, 2019
    22 通就代表虚拟 C 没问题,查查吧
    fredcc
        7
    fredcc  
       Sep 10, 2019
    @singerll 就应该如此
    singerll
        8
    singerll  
    OP
       Sep 10, 2019 via Android
    @fredcc 这是为啥呢大佬
    Firxiao
        9
    Firxiao  
       Sep 10, 2019
    检查下数据库的监听地址
    netstat -tpln|grep 3306
    singerll
        10
    singerll  
    OP
       Sep 10, 2019 via Android
    @Firxiao 数据库监听是没有问题的,因为其他机器访问 vip 都没问题,唯独 slave 节点不可以
    Firxiao
        11
    Firxiao  
       Sep 10, 2019
    仔细检查下配置 一定是你哪里有配错 例如 iptable
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