My Oracle Support Banner

Mount NFS Fails with "mount.nfs: portmap query failed: RPC: Timed out" (Doc ID 2315299.1)

Last updated on OCTOBER 27, 2023

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 6.0 and later
Linux x86-64

Symptoms

Unable to mount NFS share Oracle Linux servers , and the mount fails with below errors:

# mount -v <ip>:/path/to/NFS
mount.nfs: trying text-based options 'bg,hard,nointr,rsize=32768,wsize=32768,tcp,actimeo=0,vers=3,timeo=600,addr=<ip>'
mount.nfs: prog 100003, trying vers=3, prot=6
mount.nfs: portmap query failed: RPC: Timed out


But mount the same NFS share with vers=4 (NFSv4) works without problem.

Cause

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
Symptoms
Cause
Solution
References


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