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How to Change the IP Addresses of DNS Servers on a BDA 4.5 or Higher Cluster (Doc ID 2476556.1)

Last updated on JANUARY 10, 2020

Applies to:

Big Data Appliance Integrated Software - Version 4.5.0 and later
Linux x86-64

Purpose

How to change the IP addresses of DNS servers on a BDA 4.5 or higher cluster.

Scope

 Anyone needing to change the DNS servers on a BDA 4.5 or higher cluster.

Details

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In this Document
Purpose
Scope
Details
 Background
 Changing IP Addresses of DNS Servers When the Admin and Client Network Share the Same DNS Servers
 Updating the network json files on all cluster nodes to reflect the changed DNS IPs
 Running "bdanetworktool --none-except dns=true" to update the values in /etc/resolv.conf on all cluster nodes to reflect the changed DNS IPs
 Restarting the dnsmasq service on all cluster nodes
 Updating the DNS IP addresses in the switch configurations.
 Changing IP Addresses of DNS Servers When the Admin and Client Network Do Not Share the Same DNS Servers

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