1. A method for managing a logical partition, the method comprising: determining a primary processing unit entitlement for the logical partition; allocating a first quantity of processing units from a primary shared processor pool to the logical partition, the first quantity of processing units equal to the primary processing unit entitlement; activating the logical partition on the allocated first quantity of processing units; determining a secondary processing unit entitlement for the logical partition, the secondary processing unit entitlement less than the primary processing unit entitlement; and reserving a second quantity of processing units from a secondary shared processor pool for the logical partition, the second quantity of processing units equal to the secondary processing unit entitlement.