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You can use the Enterprise Console to onboard and upgrade an HA Controller pair. For HA pairs that are not managed by the Enterprise Console, use the discover and upgrade option; for HA pairs that are managed by the Enterprise Console, you must use the upgrade option.

This topic describes:

Upgrade Method Benefits

The upgrade method enables you to:

Available Upgrade Methods

Use the CLI, or follow a step-by-step Upgrade wizard that guides you through the UI, to perform the upgrade. 

Use the CLI Method to Upgrade

You can use the CLI to upgrade the HA Controller pair. For more details, select upgrade using the CLI.

Use the Upgrade Wizard Method to Upgrade

You can use the Upgrade Wizard to follow a step-by-step procedure that guides you through the UI to perform the upgrade. For more details, select upgrade using the Upgrade Wizard.

Shut Down the HA Toolkit (HATK) Implementation

Before you start the Controller HA upgrade from a pre-Enterprise Console deployment, you must first shut down the watchdog and assassin processes. This is only required if you have installed the HA Toolkit previously.

To shut down the HA Toolkit implementation:

To check if the appserver, watchdog, and assassin stopped on the secondary, you can use the following commands based on the privilege escalation method used to install the Controller services:

/sbin/appdservice appdcontroller status

or

sudo /sbin/service appdcontroller status

For both stopping and checking the statuses, if you do not remember the privilege escalation method used to install services, then you can use both variants, one after the other, in any order.