The following help is available:

 

Restore Site from a Backup via Pantheon dashboard

  1. Log into the Pantheon dashboard.
  2. Go to the environment you want to restore, either Dev, Test or Live.
  3. Click the 'Backups' link in the left-hand link section.
  4. Go to the Live environment.
    Please note there are no automated backups for the Dev and environments, but one can create them manually if needed.
  5. Click the 'Backups' link in the left-hand link section.
  6. Click the 'Restore' button to the right of the backup you desire.
  7. This will open up a dialog box where you have to enter 'RESTORE' to start the restore process. This action can't be undone.
  8. As the system restores 5GB of files that will take approx. 10-15 minutes.