Using External Lus For Continuous Access Xp Journal Operations - HP StorageWorks User Manual
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Using external LUs for Continuous Access XP Journal operations
Figure 16
shows an example of using the external LU for Continuous Access XP Journal operations. The
mapped external LU is set as the Continuous Access XP Journal pair's S-VOL, and the volume in the local
disk array that is connected as the MCU is set as the Continuous Access XP Journal's P-VOL. For more
information, see the HP StorageWorks Continuous Access XP Journal user guide.
Figure 16
Using external LUs for Continuous Access XP Journal operations
1.
Use External Storage XP to map the volume in the external disk array as an internal XP LDEV of the
local disk array, which is used as the RCU for Continuous Access XP Journal operations.
CAUTION:
Select the mapped volume's emulation type as required. If you select an open-system emulation type
(such as OPEN-V), go to
to
step
3.
For more information, see
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 LUN Configuration and Security Manager XP user guide for the
XP12000/XP10000.
Go to
step
3.
If you set a mainframe-system emulation type when mapping the volume, the mapped volume's status
becomes Blockade. To format the volume, use the CVS function. To restore the volume, use the Write to
Control Blocks operation if you mapped the volume for which the data area has already been
zero-formatted on the external disk array side. For instructions, see the HP StorageWorks LUN
Configuration and Security Manager XP user guide for the XP12000/XP10000.
Go to
step
4.
Use Continuous Access XP Journal to set the Continuous Access XP Journal pair's P-VOL and S-VOL.
Set the IO Suppression mode to Disable.
step
2. If you select a mainframe-system emulation type (such as 3390-3), go
"Mapping external LUs (Add
4.
4.
LU)" on page 60.
External Storage XP user guide
41
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