Quote Originally Posted by shardulb
Thank you.

I have 3 control files in different oracle locations. As per you have said, I have checked all locations and I found that all control files are missing.

Actually control files are generated on primary side and copied to standby database.

I don't know how those control files missing on standby. What can cause the control files missing. Is there any logs to indicated when and who deleted those control files ?

I want to find the root cause for it and now how can I resolve such problem so that standby database mount and it is in sync with primary side.

Please provide help regarding it.

Regards,
Shardul Banker
More details. What are you doing? OS? db Version?