1. A method in for controlling power in a data processing system having a plurality of logical partitions, the method comprising: responsive to receiving a request to turn off power for a logical partition within the plurality of logical partitions in the data processing system, determining whether an additional partition within the plurality of logical partitions is present in the data processing system; turning the power off in the data processing system in response to a determination an additional partition within the plurality of logical partitions is absent in the data processing system; and shutting down the logical partition in response to a determination that an additional partition within the plurality of logical partitions is present in the data processing system.