红帽全球峰会5.3. ERS 移到之前失败的节点
使 s4node1 重新在线并启动集群：
[root@s4node1 ~]# pcs cluster start
ERS 应移至 s4node1，而 ASCS 则保留在 s4node2 上。等待 ERS 完成迁移，并在集群结束时应处于此状态：
[root@node1 ~]# pcs status
...
Resource Group: s4h_ASCS20_group
s4h_fs_ascs20 (ocf::heartbeat:Filesystem): Started
s4node2 s4h_vip_ascs20 (ocf::heartbeat:IPaddr2): Started s4node2
s4h_ascs20 (ocf::heartbeat:SAPInstance): Started s4node2
Resource Group: s4h_ERS29_group
s4h_fs_ers29 (ocf::heartbeat:Filesystem): Started
s4node1 s4h_vip_ers29 (ocf::heartbeat:IPaddr2): Started s4node1
s4h_ers29 (ocf::heartbeat:SAPInstance): Started s4node1
...
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