一、设计集群节点角色 设计集群为三节点因果集群部署,其中CentOS-1、CentOS-2设计为CORE角色,CORE角色节点可以支持读写请求;CentOS-3设计为REPLICA角色,REPLICA 修改CentOS-1的主机名 hostnamectl set-hostname core-1 2.修改CentOS-2的主机名 hostnamectl set-hostname core-2 3.修改CentOS replica-1 修改主机名 4.修改CentOS-1和CentOS-2的hosts配置 192.168.101.128 core-1 192.168.101.129 core-2 修改hosts 5.修改CentOS dbms.connectors.default_advertised_address=core-1 # CentOS-2 dbms.connectors.default_advertised_address=core-1 # CentOS
install media is CentOS-4.8, see the Release Notes for details RPMs CentOS CentOS RHEL 29 Feb 2012 CentOS
null local 分别创建两个容器属于自定义网络my-network中: [root@host1 ~]# docker run -itd --name centos [root@host1 ~]# docker exec centos-4 cat /etc/resolv.conf nameserver 127.0.0.11 options ndots:0 此时centos -3和centos-4可以互相解析: [root@host1 ~]# docker exec centos-4 ping centos-3 PING centos-3 (172.19.0.2) 56(84 from centos-3.my-network (172.19.0.2): icmp_seq=3 ttl=64 time=0.103 ms ^C [root@host1 ~]# docker exec centos
• 在CentOS-1、CentOS-2、CentOS-3分别执行下面命令 docker run \ --publish=7474:7474 --publish=7687:7687 \