ORA-16253: Logical standby cannot start due to a prior, incomplete operation
Cause: A failure during a prior failover or configuration-related operation left the logical standby in an inconsistent state.
Action: Identify and reissue the operation before attempting to restart the logical standby apply engine.
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ORA-16253错误的官方解释是: 逻辑备份不能由于之前非完整的操作启动 。
1.检查日志中是否有ORA-16253错误,可以查看此错误发生是哪个步骤导致的;
2.确认本地备份集是否有不完整的恢复步骤,并且确认校验和是否正确;
3.如果存在不完整的恢复操作,请执行以下操作以修复:
-删除日志记录文件
-从支持的备份中重新恢复log
-重新启动逻辑备份进程
4.最后,可以运行健康检查以确保备份完整性。