Use the What-If Editing dialog box to modify characteristics of a workload after you have built a model.
To modify the statistics related to a class:
The Edit Class Profile dialog box for the selected node is displayed.
To modify the users in classes:
The User Load Graph window is displayed.
To move a disk load within a class from one disk to one or more other disks:
The Disk Load Balancing window is displayed.
To redistribute the transaction count in a class among its subclasses:
The Workload Mix window is displayed.
To provide server load statistics:
The Edit Server Load window is displayed.
Click on Close in the What-If Editing dialog box when you are finished.