HP XP7 Storage - Manual (Page 122)

Figure 14 3DC multi-target configuration with FS
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You can create either the Cnt Ac-S pair or the local FS pair first.
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The Cnt Ac-S pair must be created before the remote FS pair.
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You can create either the Cnt Ac-J pair or the local FS pair first.
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The Cnt Ac-J pair must be created before the remote FS pair.
122 Sharing Cnt Ac-J volumes