An LPAR profile defines the set of resources you need to to create a partition.
When you create this profile, the HMC shows you all the resources available on your machine. The HMC does not, however, check to see if another partition profile is using a portion of these resources. For example, the HMC might show 16 processors on your machine, but will not notify you that other partitions are using nine of them. You can conceiveably create two partition profiles, each using a majority of system resources. If you attempt activate both of these partitions at the same time, the second partiton in the activation list fails. It is your responsibility to keep track of the resources you have assigned.
You can also schedule different partition profiles to be activated at
different times.