IBM V7000 Introduction And Implementation Manual page 407

In the Advanced FlashCopy menu, if you already have candidate target volumes, select
Use existing target volumes (Figure 9-25).
Figure 9-25 Create FlashCopy mapping using existing target volume
a. You need to choose the target volume for the source volume you selected. Select the
target volume in the drop-down menu in the right pane of the window and click Add
(Figure 9-26).
Figure 9-26 Select the target volume
Chapter 9. IBM Flex System V7000 Storage Node Copy Services
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