reg control file backups

[satish]

Hi Erman,

We have taken controlfile backup using sql as below

SQL> ALTER DATABASE BACKUP CONTROLFILE TO TRACE;

RMAN duplicate will not be able to use this control file right?please correct me i am wrong

[ErmanArslansOracleBlog]

Yes. This is for creating the controlfile script..
So using this trace file, you can create controlfile manually by connecting  the database using sqlplus as sys in nomount mode.