Oracle - Errores y soluciones
ORA-01104: number of control files (string) does not equal string
Cause: The number of control files used by this instance disagrees with the number of control files in an existing instance.
Action: Check to make sure that all control files are listed.
ORA-01105: mount is incompatible with mounts by other instances
Cause: An attempt to mount the database discovered that another instance mounted a database by the same name, but the mount is not compatible. Additional errors are reported explaining why.
Action: See accompanying errors.
ORA-01108: file string is in backup or media recovery
Cause: Either media recovery is actively being applied to the file, or it is being backed up while the database is in NOARCHIVELOG mode. It cannot be used for normal database access or crash recovery.
Action: Complete or cancel the media recovery session or backup.
ORA-01109: database not open
Cause: A command was attempted that requires the database to be open.
Action: Open the database and try the command again.
ORA-01111: name for data file string is unknown - rename to correct file
Cause: The data file was missing from a CREATE CONTROLFILE command or backup control file recovery was done with a control file that was saved before the file was created.
Action: Rename the MISSING file to the name of the real file.