HP StorageWorks XP Remote Web Console Software - Manual (Page 50)

Using external LUs for XP Continuous Access operations
Figure 15 shows an example of using an external LU for XP Continuous Access operations. The
mapped external LU is set as the XP Continuous Access pair's S-VOL, and the volume in the local
array that is connected as the MCU is set as the XP Continuous Access pair's P-VOL. For more
information about XP Continuous Access operations, see the HP StorageWorks XP Continuous Access
user guide for XP12000/XP10000 Disk Arrays and SVS 200.
Figure 15 Example of XP Continuous Access operations
.
1. Use XP External Storage to map a volume in the external array to an internal LDEV of the local
XP Continuous Access RCU array.
CAUTION:
Set the IO Suppression mode to Disable.
Select the mapped volume's emulation type as required. If you select an open-system emulation
type (such as OPEN-V), go to step 2. If you select a mainframe-system emulation type (such as
3390-3), go to step 3.
For more information, see Mapping external LUs (Add LU) .
2. If you set an open-system emulation type when mapping the volume, the mapped volume's status
automatically becomes Normal. However, the volume-formatting process is not automatically
executed. To optionally format the mapped volume, use the Custom Volume Size (CVS) function.
For instructions, see the HP StorageWorks XP LUN Configuration and Security Manager user
guide: HP XP12000 Disk Array, HP XP10000 Disk Array, HP 200 Storage Virtualization System.
Go to step 4.
Preparing for XP External Storage operations 50