Using existing target volumes Complete the following steps to use existing target volumes for the FlashCopy mappings: Important:  The source volume and the target volume must be of equal size. Therefore,  only targets of the same size are shown in the list for a source volume. To remove a relationship that was created, click  , as shown in Figure 10-17 on page 496. Figure 10-16 Create a FlashCopy Mapping by using an existing target volume Figure 10-15 Using existing target volumes 2. The Create FlashCopy Mapping window opens (see Figure 10-16). In this window, select  the target volume and then, click  Add .  1. Select the source volume that you want to use. Then, click  Actions Advanced  FlashCopy  Use Existing Target Volumes , as shown in Figure 10-15. Chapter 10. Copy Services  495