4.11 Changing the DNS Servers

The configuration settings for the Domain Name System (DNS) servers can be changed after initial setup.

All servers and switches in Oracle Exadata should reference the same DNS servers. All domains that Oracle Exadata references should be resolvable through each individual DNS server.

The following topics contain the tasks and procedures for setting the Oracle Exadata servers and switches to the same DNS servers. Oracle recommends changing the servers one at a time.

• Change the DNS Server Address on the Database Server
  This procedure describes how to change the DNS server address on the database servers.
• Change the DNS Server on Oracle Exadata Storage Server
  You can set or change the DNS server on each Oracle Exadata Storage Server.
• Change the DNS Server Address on the Cisco RoCE Network Fabric Switches
  This procedure describes how to change the DNS server address on the Cisco RoCE Network Fabric switches.
• Set the DNS Server Address on an InfiniBand Network Fabric Switch
  You can set or change the DNS server address on an InfiniBand Network Fabric switch.
• Change the DNS Server Address on the Cisco 9300 Series Management Network Switch
  This procedure describes how to change the DNS server address on the Cisco 9300 Series Management Network Switch.
• Change the DNS Server Address on the Cisco 4948 Ethernet Switch
  This procedure describes how to change the DNS server address on the Cisco 4948 Ethernet switch.
• Change the DNS Server on the KVM Switch
  This procedure describes how to change the DNS server configuration using the KVM switch.