网络状态正常，数据库端口未做限制，集群主备无法通信，报错异常为Selfmonitor is in confirm mode, but has no or multi primary instances whose dmwatcher is in CONFIRM status!
Selfmonitoris in confirm mode, but has no or multi primary dsc database that is in CRASH RECV status!
最终确认该问题为数据库所使用授权为单库授权所导致，采购集群节点更换授权后问题解决