Buttons; Creating L1 Pairs - HP StorageWorks XP10000 User Manual

displayed on one page. The button is unavailable if the total number of volumes defined in the disk
array is less than 1,024 volumes.
• S-VOL List: Displays the following information related to S-VOLs:
• Port: Port ID (cluster and channel number) of the S-VOL.
• Group (G-ID): Host group ID of the S-VOL.
• S-Vol Path (LUN): CU:LDEV of the S-VOL.
• Pair Num: Number of pairs.
• Type: Emulation type of the S-VOL.
• Capacity (MB): Capacity of the S-VOL in megabytes (MB).
• CLPR: The cache logical partition (CLPR) of the S-VOL.

Buttons

• Set: Adds the selected S-VOL and P-VOL to the Paircreate Volume List as an L1 pair.
• Change: Replaces the existing S-VOL of the selected L1 pair (meaning the S-VOL of the pair after
completing the operation selected in the Paircreate Volume List) with the selected S-VOL.
• Cascade: Adds the selected S-VOL and P-VOL (node volume) to the Paircreate Volume List as a L2 pair.
To use the Cascade button, select one of the listed L1 pairs.
• OK: Adds the operation (setting) to create a new pair using the P-VOL and S-VOL selected in the
Paircreate window to the Preset List on the BC main screen.
NOTE:
Apply on the BC main screen.
• Cancel: Cancels the operations set in the Paircreate window and closes the Paircreate window.
To remove any volumes from the Paircreate Volume List or S-VOL List, select the volumes, right-click the
selected volumes, and select Delete.

Creating L1 pairs

To create new BC pairs and split them immediately so you can access the S-VOLs as soon as possible, use
the pairsplit operation instead of the paircreate operation (see
1. Ensure that the S-VOLs are unmounted.
2. In the BC main screen, select the port, host group, or P-VOL in the Tree View box to filter the volumes
displayed in the Volume list.
3. Select the P-VOLs for the new pairs, right-click the selected P-VOLs, and select Paircreate. The Paircreate
window appears.
NOTE:
4. Set the initial copy pace for all pairs being created: Slower, Medium, or Faster.
5. Verify that the Paircreate window displays the P-VOLs. To remove any volumes from the list, select the
volumes, right-click the volumes, and select Delete.
6. Select the S-VOLs for each P-VOL as follows:
a. Select the P-VOL in the Paircreate window.
b. In the Select MU list, select the MU number for the L1 pair being created: 0, 1, or 2.
c. Select the port in the Port list, select the Reserved check box to display reserved volumes, and select
the S-VOL.
NOTE:
array changes the reserve attribute to "reserved" automatically.
To apply the new pair operation setting displayed in the Preset List to the disk array, click
Do not select reserved volumes.
You can select an unreserved volume as the S-VOL. When you create the pair, the disk
"Splitting BC pairs
Business Copy XP user guide for the XP10000/XP12000
(Pairsplit)" on page 62).
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