ORA-01155: the database is being opened, closed, mounted or dismounted

I got ” ORA-01155: the database is being opened, closed, mounted or dismounted ”  error in Oracle database.

 

ORA-01155: the database is being opened, closed, mounted or dismounted

 

Details of error are as follows.

ORA-01155: the database is being opened, closed, mounted or dismounted

Cause: The requested operation needs the instance to be in a particular state but the state is being changed.

Action: Wait for the open, close, mount, or dismount to complete then retry the operation. 
If necessary, a SHUTDOWN ABORT will always work.
   

 

 

the database is being opened, closed, mounted or dismounted

This ORA-01155 error is related to the requested operation needs the instance to be in a particular state but the state is being changed.

Wait for the open, close, mount, or dismount to complete then retry the operation. If necessary, a SHUTDOWN ABORT will always work.

 

Then try to switchover again with the following command.

SQL>ALTER DATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY WITH SESSION SHUTDOWN;

 

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

Oracle Tutorial | Oracle Database Tutorials for Beginners ( Junior Oracle DBA )

 

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About Mehmet Salih Deveci

I am Founder of SysDBASoft IT and 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 [email protected].-                                                                                                                                                                                                                                                 -Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS ve linux Danışmanlık ve Eğitim için  [email protected] a mail atabilirsiniz.

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