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RMAN backup to NFS fails with ORA-19504 on 12.2 DB with DNFS is enabled (Doc ID 2447675.1)

Last updated on NOVEMBER 13, 2018

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


On 12.2 DB with DNFS is enabled, RMAN uses NFS mounted directory to store backup files.

When recreated directory on NFS server and then remounted with the same directory name and the same mount options, ORA-19504 occurs and RMAN backup fails.

Below is the steps used to reproduce this issue.

Please note in the example below IP address of NFS server will be changed to XX.XX.XX.XXX.

1.Check mount directory.



 Recreate directory or volume on NFS server, remount on NFS client and run RMAN backup again.  


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