You can get ORA-01110 ORA-01111 UNNAMED error in you dataguard after adding new datafile to the primary database.


If standby_file_management parameter is manual in your dataguard environment then you can take this error.

You can solve this problem with below steps.

1. Cancel dataguard MRP process.

alter database recover managed standby database cancel;


2. You need to change your datafile name with below command. This UNNAMED00324 name will be in dataguard alertlog so check the alertlog and define right UNNAMED file name and path.

ALTER DATABASE CREATE DATAFILE '/u01/app/oracle/product/' AS '+DATAC1';


3.If you change datafile name with above command then you can start dataguard MRP process like below.

alter database recover managed standby database disconnect from session;

If you don’t want to see this error again, you can change the standby_file_management parameter like below.

alter system set standby_file_management='AUTO' scope=both;



Do you want to learn Oracle Database for Beginners, then read the following articles.

Mehmet Salih Deveci

I am Founder of IT Tutorial and Certified Expert about Oracle & SQL Server database, Goldengate, Exadata Machine, Oracle Database Appliance administrator with 10+years experience.I have OCA, OCP, OCE RAC Expert Certificates I have worked 100+ Banking, Insurance, Finance, Telco and etc. clients as a Consultant, Insource or Outsource.I have done 200+ Operations in this clients such as Exadata Installation & PoC & Migration & Upgrade, Oracle & SQL Server Database Upgrade, Oracle RAC Installation, SQL Server AlwaysOn Installation, Database Migration, Disaster Recovery, Backup Restore, Performance Tuning, Periodic Healthchecks.I have done 2000+ Table replication with Goldengate or SQL Server Replication tool for DWH Databases in many clients.If you need Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS Consultancy and Training you can send my email adress                                                                                                                                                                                                                                                 -Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS ve linux Danışmanlık ve Eğitim için a mail atabilirsiniz.

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