My Oracle Support Banner

Intermittent ORA-27054 Writing To NFS (Control File Backups, Exports) (Doc ID 2302321.1)

Last updated on JULY 06, 2021

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


Using:, version, Linux 6.9

ORA-27054 NFS file system where the file is created or resides is not mounted with correct options occurs intermittently writing to shared NFS area holding copies of controlfile backups and database exports.

Backup (physical/logical) failure with ORA-27054 and permission denied 


The issue occurs intermittently and cannot be reproduced consistently.

Configurations used:

EMC Isilon cluster running OneFS, with Redhat 6 version of NFS client.  However, this may apply to other NFS clients as well.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.