in ARCHIVELOG mode - online backup

I'm doing an online mode to archivelog (user managed backup) backup

1. to do this, I put the db in backup mode of
SQL > alter database begin backup

2 copy data files to the backup location in the Ocean
using the cp command

3 tried to copy controlfile to use OS location

SQL > alter database backup controlfile to ' / u01/oracle/product/10.2.0/hotbk'

Here, I get an error: ORA-01580: the backup control file creation error
and ORA-27038: created file already exists.

I checked if the control file already exists in the location, but there is no controlfile here.

Please help what is this error!

Thank you!

It's wrong to try to save as
ALTER database backup controlfile to ' / u01/oracle/product/10.2.0/hotbk/control.bk'

Tags: Database

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