Business Copy XP user guide for the XP10000/XP12000 61
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: To apply the new pair operation setting displayed in the Preset List to the disk array, click
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 ”Splitting BC pairs (Pairsplit)” on page 62).
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: Do not select reserved volumes.
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: You can select an unreserved volume as the S-VOL. When you create the pair, the disk
array changes the reserve attribute to “reserved” automatically.
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