My Oracle Support Banner

Wrong User And Group IDs On NFS Mounts After Exadata Node Upgrade From OL5.10 To OL6.6 (Doc ID 2006187.1)

Last updated on APRIL 12, 2022

Applies to:

Oracle Exadata Hardware - Version and later
Linux OS - Version Oracle Linux 5.10 to Oracle Linux 6.6 [Release OL5U10 to OL6U6]
Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.


After upgrading Exadata X4-2 data base nodes from to which updates Operating system from Oracle Linux version 5.10 to 6.6, the NFS mounts shows userid and groupid as 4294967294 and not associated with any user or group on the Linux client or NFS Server as the example below shows:



Exadata X4-2 Data Base patch upgrade from to

Operating System upgrade from Oracle Linux 5.10 to Oracle Linux 6.6


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.