HP StorageWorks Continuous Access XP user guide for the XP10000/XP12000 (December 2005)

78 Continuous Access XP for the XP10000/XP12000
Async RCU ready). The default is five minutes. If the MCU cannot re-establish communications with the
RCU within the specified time, the MCU suspends all P-VOLs in the group.
Cancel button: Cancels settings.
Set button: Sets consistency group options.
1. Connect to the MCU.
2. Ensure that async options are configured as needed (see ”Asynchronous copy option” on page 80).
3. From the Consistency Group tree, click a consistency group mode that includes the consistency group to
be added.
4. From the Consistency Group list, click the consistency groups to add. Select more than one group that is
not registered yet.
5. Right-click, click CT Group Operation, and click Add CT Group. The Add CT Group pane appears.
6. From the Add CT Group pane, click the port type (fibre) and group options: copy pending timeout and
RCU ready timeout. Remember that you cannot modify the port type of the group after assigning a pair
to the group.
7. Click Set in the Add CT Group pane. The Add CT Group pane closes, and the list changes to the
Consistency Group Settings Parameter list.
NOTE: After being set, options can be modified and canceled (see ”Modifying parameters and
deleting consistency groups” on page 81).
8. Click Apply on the Continuous Access XP main pane to apply settings to the disk array.
When the Add CT Group pane closes, the list changes to the Consistency Group Settings Parameter list.
However, columns other than CTG are blank. For further information about the Consistency Group Settings
Parameter list, see ”Modifying consistency group options (CT Group Option)” on page 78.
Modifying consistency group options (CT Group Option)
Use the CT Group Option command to modify consistency group options set when you added the
consistency group. When the CT Group Option command is selected, the CT Group Option pane appears.
The CT Group Option pane consists of the same fields as the Add CT Group pane (see ”Adding
consistency groups (Add CT Group)” on page 77).
NOTE: To change group options, split all pairs in the group first.
Figure 45 CT Group Option pane
MCU-RCU Path: Selected port type for remote copy connections. You cannot change the port type on
the CT Group Option pane.
Time Out (Copy Pending) (min.): Maximum delay (copy pending timeout) allowed for Continuous
Access XP Async copy (none or from 1 to 15 minutes; none = no timeout for Continuous Access XP
Async copy pending). The default is five minutes. If the delay between the Continuous Access XP Async
P-VOL update and corresponding S-VOL update reaches the specified time, the RCU suspends all