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Oracle Linux: "showmount" on NFS client fails with "rpc mount export: RPC: Timed out" (Doc ID 2623503.1)

Last updated on FEBRUARY 26, 2020

Applies to:

Linux OS - Version Oracle Linux 6.9 with Unbreakable Enterprise Kernel [3.8.13] and later
Linux x86-64

Symptoms

 RPC times out when trying to mount NFS shares.

$ showmount -e <NFS Server IP Address>
rpc mount export: RPC: Timed out

The NFS client  can ping and resolve the NFS Server. NFS ports are opened from the firewall.

The /var/log/messages on the client is filled with the following messages:

 

nfs: server x.x.x.x not responding, still trying
nfs: server x.x.x.x not responding, timed out
 

Cause

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In this Document
Symptoms
Cause
Solution


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