Centralized Agent Upgrade

As an administrator, you can upgrade all Centralized Agent Upgrade (CAU) supported agents to a new version with a centralized and easy to use automatic procedure. In this topic you find the background information, requirements and steps you have to follow.

If you need help, contact our support team. Our consultants are experts in upgrading AE systems and will be pleased to assist you whenever it is necessary. For more information, see Support.

Important! It is not possible to carry out a Centralized Agent Upgrade parallel to a Zero Downtime Upgrade.

Note: Once an Agent is configured for a Centralized Agent Upgrade (CAU), it is no longer possible to upgrade it manually. After changing the version of an Agent manually, the Agent (together with the ServiceManager) updates/rolls back to the target version defined. Please contact our support department if you need help reverting the status of an Agent after a CAU or perform a CAU to the latest version to avoid continuously repairing the Agent. For more information, see Support.

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Centralized Agent Upgrade - Video

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The Centralized Agent Upgrade (CAU) is an automatic upgrade solution. It provides an easy and automatic procedure to upgrade agents to a newer version.

Agents can run as either the old or new version agent during upgrade. There is a switch between agent versions at one point of the CAU, therefore a zero downtime is not possible.


Procedure Summary

Upgrade Preparation

The following OS agents can be upgraded with the Centralized Agent Upgrade (CAU):

The following application agents can be upgraded with the Centralized Agent Upgrade (CAU):

Note: You need a ServiceManager to restart the application agents automatically after they have been upgraded.



Automation Engine Installation

The Automation Engine installation has to be installed and/or upgraded (ZDU) in the usual way.

Upgrading the Agents' ServiceManagers During CAU

Starting with v12.1, the agents' ServiceManagers can be upgraded during CAU.

Manual Agent Installation

You have to manually install an agent in the following cases:

Agent upgrade via CAU - Storage Objects

An agent has already been installed that supports CAU functionality (see table above).

Set User Privilege

Any administrator / user who shall be able to execute an upgrade, CAU or ZDU, needs the privilege Execute system upgrades.

Install the CA Automic Plugin Manager

In order to be able to import the resource packages mentioned above you need to install the Plugin Manager. For more information, see Installing and Configuring the Plugin Manager. It is itself a plug-in and would be part of your Automic Web Interface installation.

Install the downloaded Packages using the Packs page

Install the packages (packs) you downloaded using the Packs page in your AWI installation. For more information, see About Packs and Plug-ins.

See also: