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How to Configure NFSv4 on IBM AIX

KB ID: 4713
Product: Veeam Backup & Replication | 13
Published: 2025-09-03
Last Modified: 2025-09-03
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Purpose

This article documents steps to enable NFSv4 on IBM AIX to enable backup mount support for Veeam Agent for IBM AIX introduced with Veeam Backup & Replication 13.

Solution

Part 1: Configure the Host Resolution

  1. Open the /etc/netsvc.conf file.
  2. Ensure that the hosts parameter is set to local and bind.
    As shown in this example: 
    cat /etc/netsvc.conf | grep hosts
hosts = local, bind

Part 2: Start the NFS RGYD Subsystem

  1. Start the NFS RGYD subsystem by executing the following command: 
    startsrc -s nfsrgyd

Part 3: Set the Local Domain

  1. Define your local domain using the chnfsdom command.
    For example, to set the domain to test.com: 
    chnfsdom test.com

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