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Adding consistency groups (add ct group) – HP StorageWorks XP Remote Web Console Software User Manual

Page 83

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NOTE:

If # is added to the end of the LDEV number, such as 00:3C#, the LDEV is an external

volume. For details about external volumes, see the HP StorageWorks XP External Storage
Software user guide: HP XP12000 Disk Array, HP XP10000 Disk Array, HP 200 Storage
Virtualization System
.

MCU-RCU Path: Channel type: fibre or serial.

Time Out (Copy Pending): Maximum delay allowed for XP Continuous Access Async copy (see

“Adding consistency groups (Add CT Group)” (page 83)

).

Time Out (RCU Ready): Maximum delay allowed for re-establishing MCU-RCU communications
following MCU power-off (see

“Adding consistency groups (Add CT Group)” (page 83)

). If

the CU type is RCU, this parameter is not displayed.

Previous button: Displays information about the consistency group before the current consistency
group.

Next button: Displays information about the consistency group after the current consistency
group.

Refresh button: Refreshes displayed information.

Close button: Closes the CT Group Status pane.

Adding consistency groups (Add CT Group)

Use the Add CT Group command to add a consistency group to the connected MCU. When the
Add CT Group command is selected, the Add CT Group pane appears. Use the Add CT Group
pane to select group options for the group.

Figure 44 Add CT Group pane

MCU-RCU Path: Path type for remote copy connections.

Offloading Timer (sec.): allows you to specify the amount of time for monitoring to transfer
data to a sidefile between 0 and 255 seconds in one second increment. The default setting
is 90 seconds.

Inflow Control: allows you to enable the inflow control. To enable the inflow control, select
the check box. By default, the check box is selected. Before changing this option, you should
delete or suspend pairs in the selected consistency group.

Time Out (Copy Pending) (min.): Maximum delay allowed for XP Continuous Access Async
copy (none or from 1 to 15 minutes; none = no timeout for XP Continuous Access Async copy
pending). The default is five minutes. If the delay between the XP Continuous Access Async
P-VOL update and corresponding S-VOL update reaches the specified time, the RCU suspends

XP Continuous Access Asynchronous operations

83

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