为了让客户端能够独立于当前运行的 HA 集群节点访问主 SAP HANA 实例，则需要一个虚拟 IP 地址，HA 集群将在运行主 SAP HANA 实例的节点上启用。
pcs resource create vip_RH1_02 IPaddr2 ip="192.168.0.15"
[root]# pcs resource create vip_RH1_02 IPaddr2 ip="192.168.0.15"
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pcs resource show vip_RH1_02
Resource: vip_RH1_02 (class=ocf provider=heartbeat type=IPaddr2)
Attributes: ip=192.168.0.15
Operations: start interval=0s timeout=20s (vip_RH1_02-start-interval-0s)
stop interval=0s timeout=20s (vip_RH1_02-stop-interval-0s)
monitor interval=10s timeout=20s (vip_RH1_02-monitor-interval-10s)
[root]# pcs resource show vip_RH1_02
Resource: vip_RH1_02 (class=ocf provider=heartbeat type=IPaddr2)
Attributes: ip=192.168.0.15
Operations: start interval=0s timeout=20s (vip_RH1_02-start-interval-0s)
stop interval=0s timeout=20s (vip_RH1_02-stop-interval-0s)
monitor interval=10s timeout=20s (vip_RH1_02-monitor-interval-10s)
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