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NFS Client Sending Corrupt Data via UDP, mount using TCP

Troubleshooting


Problem

Mounting to Linux, changed mount to tcp, received BPXF028I FILE SYSTEM filesystem name WAS NOT MOUNTED. RETURN CODE = 0000008B, REASON CODE = 6E050001

Symptom

RETURN CODE = 0000008B, REASON CODE = 6E050001

Cause

Mounting to Linux NFS Server, default on Linux is to require ports less than 1025.

Environment

z.OS NFS Client mounting to Linux NFS Server

Diagnosing The Problem

Packet trace shows Mount RPC succeeds, FSINFO fails using port > 1024

Resolving The Problem

On Linux:
exportfs -o rw,insecure,sync *:/nfs

Using the following mount from z/OS

On OMVS, no change to mount:
mount -t NFS -f ZLINXG1 -o '10.59.68.25:"/nfs",vers(3)' -a unmount
/V101G/usr/test

[{"Product":{"code":"SWG90","label":"z\/OS"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"5695DF121 - DFSMS\/MVS NETWORK FILE SYSTEM SERVER (NFS)","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF035","label":"z\/OS"}],"Version":"1.10;1.11;1.12;1.13;2.1;2.2","Edition":"","Line of Business":{"code":"LOB56","label":"Z HW"}}]

Document Information

Modified date:
03 September 2021

UID

isg3T1023128

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