• Iustin Pop's avatar
    Allow DRBD8 operation without backing storage · fc1dc9d7
    Iustin Pop authored
    This patch adds the following functionality:
      - DRBD8 devices can assemble without local storage (done by allowing
        None in the list of children, and making DRBD8 to ignore all
        children if any is None)
      - DRBD8 devices can attach (i.e. identify a device) which is not
        connected to backing storage but to the correct network ports; this
        is a rare case in normal operation (it's what would happen if one
        manually detaches the local disk, and the backing LV still exists)
    Reviewed-by: imsnah