标题: ORA-16218: This database is already preparing [打印本页] 作者: admin 时间: 2016-8-26 10:44 标题: ORA-16218: This database is already preparing ORA-16218: This database is already preparing to switch over. Cause: The database wasalready preparing to switch over and was not able to
accomodate another prepare attempt. Action: Cancel the currentprepare attempt with the ALTER DATABASE
PREPARE TO SWITCHOVER CANCEL command, then reissue the prepare
request.