Change your instance's backup plan
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This document provides information about how to change the backup plan that is applied to your Compute Engine instance. You can change your instance's backup plan to align your data protection strategy with your changing operational requirements.

Backup and DR backup plans let you define advanced backup strategies to store your Compute Engine instances in secure storage locations called backup vaults. Using the backup plan applied to your instance, you can create scheduled or on-demand backups of your instance in a backup vault.

Before you begin

Enable the Backup and DR Service API where the Compute Engine instances are located.
Enable the API
Create a backup vault
Create a backup plan
Set up Log Analytics on your bucket to monitor Backup and DR backup jobs.

Required roles

To get the permissions that you need to edit an instance's properties and change the associated backup plan, ask your administrator to grant you the following IAM roles:
- To edit the instance: Compute Instance Admin (v1) (roles/compute.instanceAdmin.v1) on the project for the Compute Engine instance
- To configure scheduled backups or run on-demand backups:
  - Backup and DR Backup User (roles/backupdr.backupUser) on the project for the backup vault
  - Viewer (roles/viewer) on the project for the backup vault
For more information about granting roles, see Manage access to projects, folders, and organizations.

You might also be able to get the required permissions through custom roles or other predefined roles.
If you want to back up a Compute Engine instance to a backup vault that is in a different project than the instance, then make sure the Backup and DR Vault Service Agent for the backup vault has been granted permission to access the instances in that project. (If the backup vault and instance are in the same project, then this permission is already granted by default.)
To ensure that Backup and DR Vault Service Agent has the necessary permissions to back up a Compute Engine instance to a backup vault, ask your administrator to grant Backup and DR Vault Service Agent the Backup and DR Compute Engine Operator (roles/backupdr.computeEngineOperator) IAM role on the project for the Compute Engine instance.
Important: You must grant this role to Backup and DR Vault Service Agent, not to your user account. Failure to grant the role to the correct principal might result in permission errors.

Change the backup plan applied to your instance

Your new backup plan must be from the same project and store the backup in the same backup vault as your existing plan.

You can change your instance's backup plan by modifying the instance configuration on the Google Cloud console, as follows:

In the Google Cloud console, go to the VM instances page.

Go to VM instances
Click the name of the instance whose backup plan you want to change. The instance details page appears for the selected instance.
Click Edit. The Edit page appears for your instance.
Navigate to the Backup plan section and then click Change plan.
In the Select a backup plan pane that appears, do the following:
1. In the Backup plan name column, click the name of the back plan that you want to use.
2. To confirm your choice of backup plan and return to the Edit page, click Apply.
To apply your backup plan and save your new instance configuration, click Save.

What's next

Learn how to use your instance's backup plan to schedule or create backups in a backup vault.
Learn how to restore an instance from a backup vault.