1. Update your instances’ metadata to add the following value: snapshot–schedule: 0 1 * * *2. Update your instances’ metadata to add the following value: snapshot–retention: 30

1. In the Cloud Console, go to the Compute Engine Disks page and select your instance’s disk.2. In the Snapshot Schedule section, select Create Schedule and configure the following parameters:–Schedule frequency: Daily–Start time: 1:00 AM – 2:00 AM–Autodelete snapshots after 30 days

1. Create a Cloud Function that creates a snapshot of your instance’s disk.2.Create a Cloud Function that deletes snapshots that are older than 30 days.3.Use Cloud Scheduler to trigger both Cloud Functions daily at 1:00 AM.

1. Create a bash script in the instance that copies the content of the disk to Cloud Storage.2.Create a bash script in the instance that deletes data older than 30 days in the backup Cloud Storage bucket.3.Configure the instance’s crontab to execute these scripts daily at 1:00 AM.