HP XP P9500 User Manual page 34

2. Change to Modify mode by clicking the
3. In the tree, select the port or host group 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 one of the following:
The pair or pairs to be split.
When you create and split an L2 pair, the operation is begun using the L1 pair. Select
the SMPL volumes or pair with which you will create and split a new pair.
5. Right-click the selection and click Pairsplit from the menu.
6. In the Pairsplit dialog box, proceed as follows:
Ensure that the pair you want to split is selected.
Select the SMPL volume to be the P-VOL in an L1 pair create and split operation.
Select the L1 pair whose S-VOL will be the P-VOL in an L2 pair create and split operation.
7. From Copy Pace, select the pace at which the pair(s) are to be split, Slower, Medium, or Faster.
Copy Pace affects the host I/O performance: a slower pace minimizes impact, a faster pace
has the greatest impact. The pace you select is used for all pairs in the operation.
8. For pairs being created and split, select an MU number. For L1 pairs, use 0, 1, or 2. For L2
pairs, use 1 or 2.
You cannot select an MU number for an L2 pair that is being used in the associated L1
pair.
You cannot select an MU number that is being used for a Snapshot pair.
9. From Select Split Type, select one of the following:
Steady Split: Any remaining differential data between P-VOL and S-VOL is copied to the
S-VOL before the split. Read and write access to the S-VOL is available only when the
operation completes.
Quick Split: Read and write access to the S-VOL is available immediately. Any remaining
differential data between P-VOL and S-VOL is copied to the S-VOL in the background.
34 Performing pair operations
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