RMAN-20506: no backup of archived log found


Sometimes You can get “RMAN-20506: no backup of archived log found ” error.


Details of error are as follows.

RMAN-20506: no backup of archived log found
Cause: during the recover process, no backup was found from which the archived logs could be restored.
Action: this message should be followed by a list of missing archived logs. Please make the necessary archived log backups available and try again.
RMAN-03015: error occurred in stored script Memory Script
RMAN-20506: no backup of archivelog found
RMAN-06053: unable to perform media recovery because of missing log

This error is related with the insufficient backup to complete the duplicate command, because it is an old backup.
more log files are needed to complete.

To solve this problem, you should use the until clause in RMAN script, if there is no sufficient backup available.

 SET UNTIL SEQUENCE 1453 THREAD 1;   --recovers upto available log sequence 1453


Do you want to learn more details about RMAN, then read the following articles.



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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