3.4.2 Pacemaker(HA)
最后更新于：2022-04-02 07:38:26
#### 基础环境
```
Server-1: 192.168.88.92
Server-2: 192.168.88.93
备注：Server-1和Server-2以下简称两台Server
VIP: 192.168.88.94
```
#### 服务器基础配置
```
# 两台Server互相免密钥登录[步骤略]
# 两台Server的/etc/hosts增加本机及对方主机名解析
192.168.88.92 c7-zbx-server-92
192.168.88.93 c7-zbx-server-93
```
#### Pacemaker部署
```shell
# 基于Centos7
yum groupinstall ha -y
systemctl start pcsd
systemctl status pcsd
echo 'noteshare.cn' | passwd --stdin hacluster
# 创建集群
pcs cluster setup --name zabbix-cluster c7-zbx-server-92 c7-zbx-server-93
# 设置故障主机恢复后的行为
pcs resource defaults resource-stickiness=100
# 设置主机资源无法停止后的行为
pcs property set stonith-enabled=false
# 配置虚拟IP
pcs resource create VirtualIP ocf:heartbeat:IPaddr2 ip=10.15.205.94 cidr_netmask=16 nic=ens192 op monitor interval=5s --group zabbix-cluster
# 配置服务启动
pcs resource create zabbix_server systemd:zabbix-server op monitor interval=10s
# 配置资源绑定，VIP和资源绑定到一起
pcs constraint colocation add VirtualIP zabbix_server INFINITY --force
# 设置VIP优先启动与zabbix_server
pcs constraint order VirtualIP then zabbix_server
```
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