HP XP Racks - Manual (Page 42)

3. In the Edit Mirror Units dialog box, for Mirror Unit, for L1, select 0 and for L2, select 2.
This number-4 L2 S-VOL is paired with the number-1 L1 volume (with MU0).
Refining pair topology
You can refine a pair’s topology by removing unwanted volumes.
•
Open the Select Secondary Volumes window of the Create Pairs wizard.
In the Selected Pairs table, select the line for the pair you want to remove and click Remove.
The volume is removed from the table.
Suppressing update copy operations during pair creation
You can suppress update copy operations after you create pairs. Suppressing update copy
operations keeps the P-VOL and S-VOL unsynchronized and reduces the effect on host server I/O
performance.
Prerequisite: The pair status is “PAIR”.
•
Enable the Swap & Freeze system option.
For more information about how to enable this system option, see “Enabling system options”
(page 31) .
42 Managing Business Copy pairs