Requirements for creating an xHA pair - BlueCat Address Manager - 9.0.0

Address Manager API Guide

Locale
English (United States)
Product name
BlueCat Address Manager
Version
9.0.0

Before you create an xHA pair in Address Manager, you must have the following requirements in place:

  • You must have at least two connected and managed DNS/DHCP Servers in the configuration.
  • DNS/DHCP Servers must be either two physical appliances or two virtual machines. Mixed xHA pairs of appliance and VM are NOT supported.
  • Both DNS/DHCP Servers must be at the same software version before creating an xHA pair.
  • Both DNS/DHCP Servers must be of the same profile, such as two DNS/DHCP Server 60 or two DNS/DHCP Server 100 profiles.
  • In order to create an xHA pair with the Active node on which the dedicated management interface enabled, the dedicated management interface on the Passive node must be enabled.
  • The Active and Passive nodes must be on the same network.
  • The servers for the xHA pair must not be associated with a deployment schedule.
  • The server intended for the passive role must not be associated with a deployment role.
  • To avoid split-brain scenarios (where both servers are active or passive at the same time), the use of xHA Backbone Communication is mandatory.
Attention:
  • If you are currently using the xHA/eth1 ports for another purpose, you can reset and then reconfigure them for xHA communication, but you cannot use the eth1 ports for xHA communication and for their previous purpose.
  • If you are upgrading from a previous version of DNS/DHCP Server, you must delete each eth1 port to reset it. This is because previous versions did not support eth1, and it is not reset automatically.