HP StorageWorks XP24000 Continuous Access Journal Software User and Reference Guide, v01 (T5278-96001, June 2007)

Splitting a Pair
of Data Volumes (Pairsplit-r)
After the initi
al
copy operation finishes, you can use the Pairsplit-r window to split the pair of data volumes.
To split one or more pairs, follow the procedure below. Not only the primary storage system administrator
but also the secondary storage system administrator ca n per form this operation:
1. Ensure that the Remote Web Console main window is in Modify m ode.
For detailed information about how to do this, see HP StorageWorks XP24000 Remote Web
Console User’s
Guide.
2.
Ensure that the Pair Operation window is displayed (see “ Pair Operation Window” on page 80).
3. In the tree, select a port (
)or a host group ( ).
4. In the list, select and right-click the pair that you want to split.
The pair stat
us must be
COPY or PAIR.
5. From the pop-up menu, select Pairsplit-r.
The Pairsplit-r window appears (Figure 65 on page 135) .
6. In the Pairsplit-r window, select the desired pairsplit options for the pair(s).
7. Select Set t
o
close the Pairsplit-r window.
8. See the Preview list in the Pair Operation window to check the settings that you have made.
• To modify a setting, select and right-click the setting and then select Modify.
•To cancel a s
etting, select and right-click the setting and then select Cancel.
9. Select Ap ply to split pair(s).
Note : If an error occurs, the right-most column of the Preview list displays the error code. To
view detailed information about the error, right-click the error code and then select Error Detail.
An error message appears and gives you detailed information about the error.
10. In the list of the Pair Operations window, verify that the pair has been split successfully. If the
pair
has b
een
split, the status of the pair is PSUS.
Note : To restore a pair that has already been split, use the Pairresync command (see
“Restoring a Pa ir of Da ta Volumes (Pairresync)” on page 136)
Figure 65 Pairsplit-r Window
The Pairsplit-r window displays the following:
• S-VOL Write: Allows you to specify whether to permit hosts to write d a ta to the secondary data
volume. The default is Disable (thatis, do notpermit).
• Disable: Hosts cannot write data to the secondary data volume while the pair is split.
• Enable: Hosts can write data to the secondary data volume while the pair is split. This option
is available only when the selected volume is a primary data volume.
• Range: Allows you to specify the split range. The default is LU if two or more pairs in the same
consistency group are selected. The default is Group if not.
• LU: O nly the specified pair(s) will be split.
Note: If you select pairs with PAIR status and other
than
PAIR status in the same consistency group, an unexpected suspension may occur during
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