ORA-01274

Error: ORA-01274: cannot add datafile 'string' - file could not be created

Causa: Automated standby file management was enabled but an added file could not automatically be created on the standby. The error from the creation attempt is displayed in another message. The controlfile file entry for the file will be 'UNNAMEDnnnnn'.

Acción: Temporarily set STANDBY_FILE_MANAGEMENT to MANUAL and use the ALTER DATABASE CREATE DATAFILE statement to create the file. Then set STANDBY_FILE_MANAGEMENT to AUTO and restart standby recovery.