Change any settings you want.
If you select Static (List of Names), follow the guidelines in the topic Create a resource group by host names.
You cannot modify "number of slots per host" for a group with static allocation while any of the group’s resources are allocated to consumers.
If you select Dynamic (Requirements), follow the guidelines in the topic Create a resource group by resource requirement.
You cannot modify a group with dynamic membership while any of the group’s resources are allocated to consumers.