IBM V7000 Introduction And Implementation Manual page 414

Deleting FlashCopy mapping: Deleting the FlashCopy mapping does not delete the
target volume. If you need to reclaim the storage space occupied by the target volume, you
need to delete the target volume manually.
Showing dependent mapping
You can show the FlashCopy mapping dependency by selecting the FlashCopy source
volume in the FlashCopy window and clicking the Show Dependent Mappings option from
the Actions drop-down menu (Figure 9-39).
Figure 9-39 Show Dependent Mappings menu
The FlashCopy mapping dependency tree opens (Figure 9-40).
Figure 9-40 FlashCopy mapping dependency
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