# File lib/openshift-origin-controller/app/models/group_instance.rb, line 179
  def get_cached_min_storage_in_gb
    return 1 if @gears.nil? or @gears.length == 0

    quota_blocks_str = get_cached(@node_profile + "quota_blocks", :expires_in => 1.day) {@gears[0].get_proxy.get_quota_blocks}
    quota_blocks = Integer(quota_blocks_str)
    # calculate the minimum storage in GB - blocks are 1KB each
    min_storage = quota_blocks / 1024 / 1024
    return min_storage
  end