HP StorageWorks XP Remote Web Console Software - Manual (Page 31)

To create the multiple relationships from one source is called multiple relationship. Version 2 allows
you to establish up to 16 relationships from one extent, as shown in
“Multiple Relationships”
(page 31) .
Figure 13 Multiple Relationships
The extent that is already set as the copy target cannot be used as a copy source extent to create
a new Version 2 relationship. You cannot create a cascaded Version 2 relationship. See
“Version
2 Relationship Cannot be Created” (page 32) for an example.
Establishing a Version 2 Relationship 31