Almost everbody knows how to create backups of the controlfile. Usually a alter database backup controlfile to trace; is used . And now for the 64000$ question: Which information is not backed up by this command? The answer is: THE BACKUP RECORDS! In order to prevent the loss of this information you can better use the following command: alter database backup controlfile to '/a_real/location/inyour/system';
Some of the stuff I do for a living. This mainly concerns working with Oracle Databases and Application Servers. Lately I picked up AWS, Azure and OCI.