HP XP7 Storage - Manual (Page 83)

With the same device name, the operation for the device group associated with a copy group
cannot be performed.
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Use cases
The following shows use cases that can be added an LDEV to the device group associating a
copy group.
◦ Adding an LDEV with a different device name (simplex volume) to a device group forming
a copy group.
◦ Adding an LDEV with a different device name (paired volume) to a device group forming
a copy group.
LDEV deletion from copy group
Deleting an LDEV from a device group forming a copy group. It can be deleted both the simplex
volume or paired volume LDEVs.
LDEV grouping function 83