This sample creates a managed instance group (MIG) with stateful disks and sets the disks to delete when its VM is permanently deleted from the MIG.

## Explore further


For detailed documentation that includes this code sample, see the following:

- [Configuring stateful persistent disks in MIGs](https://docs.cloud.google.com/compute/docs/instance-groups/configuring-stateful-disks-in-migs)

## Code sample

### Terraform


To learn how to apply or remove a Terraform configuration, see
[Basic Terraform commands](https://docs.cloud.google.com/docs/terraform/basic-commands).


For more information, see the
[Terraform provider reference documentation](https://registry.terraform.io/providers/hashicorp/google/latest/docs).

    resource "google_compute_instance_group_manager" "default" {
      name               = "example-database-group"
      base_instance_name = "shard"
      target_size        = 12
      zone               = "us-central1-f"
      version {
        instance_template = google_compute_instance_template.default.id
        name              = "primary"
      }
      stateful_disk {
        device_name = "data-disk"
        delete_rule = "ON_PERMANENT_INSTANCE_DELETION"
      }
    }

## What's next


To search and filter code samples for other Google Cloud products, see the
[Google Cloud sample browser](https://docs.cloud.google.com/docs/samples?product=computeengine).