HP StorageWorks P9000 - Disk Arrays User Manual page 28

At-Time Split, in which all pairs in a copy group are split at the same time. Split time indicates
the time when you want to mirror S-VOL data in the T-VOLs. Business Continuity Manager is
required.
Split all pairs in a consistency group. This operation requires PPRC and is similar to the At-Time
Split using Business Continuity Manager. However, with the PPRC operation, the split-time
cannot be specified, and the operation can only be used with Quick Split. Steady Split is
unavailable for this operation. See
information.
Prerequisite information
Pair status must be one of the following:
Duplex when splitting an existing pair
◦
◦ Simplex when creating and immediately splitting a pair
When splitting an existing pair, the operation completes faster by stopping host access to the
S-VOL before the operation.
Procedure 5 To split a pair, or create and split a pair
1. Click Actions > Local Copy > Business Copy for Mainframe/Compatible FlashCopy > Pair
Operation to open the Pair Operation window.
2. Change to Modify mode by clicking the
3. In the tree, select the CU image where the pairs or volumes are located.
Related volumes display in the volume list. If a volume is already paired, pair information also
displays.
4. Select the pair or pairs to be split or the volume.
5. Right-click the selection and click Split Pair from the menu.
28 Performing pair operations
"Pair operations using PPRC" (page 50)
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