Adding a Post Script for a Failover Group

Add a post script to a machine in a failover group to execute an action on the destination VM after a failover operation.

Before You Begin

Review the following information before configuring a pre or post script for the failover group.

Required Components

To use pre or post scripts, you must have the following components configured:

• Amazon EC2: IAM role, SSM agent

  • Verify that the EC2 instance has an IAM role with the Amazon EC2SSMManagedInstanceCore policy attached.
  • Install and run the SSM agent on the EC2 instance.
  • Attach the IAM role to the destination instance.

• Azure: Azure VM agent

• VMware and VMware Cloud Director: VMware Tools/Open VM tools

Supported Scripts

You can use the following scripts:

Amazon EC2

• Windows: Powershell

• Linux: Shell Scripts

Azure

• Windows: Powershell

• Linux: Shell Scripts

VMware

• Windows: Batch Scripts

• Linux: Shell Scripts

Procedure

1. When you add a failover group, in the Add failover group - Replication dialog box, under Virtual machines, beside a VM, click the action button, and then select Add post script.

   The Configure post-failover script options dialog box appears.

2. Enter the following information:

   • Path type: For VMware only, select UNC or Local. For Amazon EC2 and Azure, configure a UNC path.

   • Path: Enter the full UNC network path for the post script, including the name of the script.

   • UNC Credentials: Enter credentials or use a set of saved credentials:

     • Enter credentials: Select this option to manually enter the user name and password for the UNC network.

       Username: Enter the user name for a user account that has permissions to access the network path for the script.

       Password: Enter the password for the user account.

     • Use saved credentials: Select this option to use a set of credentials that were previously saved for the UNC network.

       Credentials: Select a saved set of credentials.

       Add button : Click this button and then enter and save a set of credentials.

   • VM Guest Options: For VMware only, enter information for a VM Guest:

     • User name: Enter the user name for a user account that has permissions to access the network path for the script.

     • Password: Enter the password for the user account.

     • Confirm password: Enter the same password.

3. Click Save.

Related Topics

To use sample scripts to validate VMs that run applications, see Application validation for VMware vSphere VMs.