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Installing BMC Atrium Orchestrator Platform with BMC Atrium Single Sign-On high availability clusters

This topic describe how to install and configure BMC Atrium Orchestrator Platform with BMC Atrium Single Sign-On high-availability clusters. 

BMC Atrium Single Sign-On in a High Availability (HA) cluster environment is implemented as a redundant system with session failover. In this model, if a node fails, the BMC Atrium Single Sign-On load is transitioned to the remaining servers with minimal interruption. When multiple BMC Atrium Single Sign-On servers are installed and configured to operate as a cluster, a system failure is absorbed by the remaining cluster nodes.

The BMC best practice is to run BMC Atrium Single Sign-On cluster behind a firewall to protect the communications channels, such as replication, BMC Atrium Single Sign-On sessions, and administrative communications, between the nodes. The communications are encrypted; however, the ports must be exposed for connections from the other clustered machines.

The following figure describes a high-level overview of configuring BMC Atrium Single Sign-On cluster with BMC Atrium Orchestrator Platform by using a load balancer.

Before you begin

Ensure that you install the following versions of BMC Atrium Single Sign-On and Apache Load Balancer server:

  • BMC Atrium Single Sign-On 8.1.x
  • Apache Load Balancer server: [httpd] Version 2.2.17 server with openssl_0.9.8o

High-level tasks for configuring BMC Atrium Orchestrator Platform with BMC Atrium Single Sign-On cluster

The following table describes the end-to-end tasks required to set up BMC Atrium Orchestrator Platform with a BMC Atrium Single Sign-On cluster with more than one node. 

No. Task
1. 

Install the first node for BMC Atrium Single Sign-On cluster.

2. Install the additional node for BMC Atrium Single Sign-On cluster.
3. 

Install the Apache Load Balancer server.

A load balancer server communicates between BMC Atrium Orchestrator Platform and the BMC Atrium Single Sign-On cluster.

 3.1

Install OpenSSL certificates on the Apache Load Balancer server.

Create a truststore file by combining the BMC Atrium Single Sign-On node certificates.

 3.2

Configure listening ports on a load balancer.

 3.3Enable load balancer and BMC Atrium Single Sign-On modules.
 3.4.Add HTTP and HTTPS virtual hosts.
 3.5.Add balancer members configuration.
4. Install BMC Atrium Orchestrator Platform server components.

Where to go from here

Installing BMC Atrium Single Sign-On in a cluster

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