HP StorageWorks XP Remote Web Console Software - Manual (Page 76)

Deleting RCUs (Delete RCU)
You can delete an RCU from an MCU only after all XP Continuous Access volume pairs between
the MCU CU image and RCU CU image are deleted. When you delete an RCU from an MCU,
the MCU deletes all logical paths from the current MCU CU image to the selected RCU CU image.
Deleting an RCU does not affect XP Continuous Access operations between other MCU CU images
and that RCU. After an RCU is deleted, reconfigure remote copy connections to add another RCU
to the MCU, or remove remote copy connections and reconfigure MCU ports (initiator ports to
ordinary target ports for fibre, RCPs to LCPs for serial) to provide additional host channels for the
MCU.
Use the Delete RCU command to delete selected RCU from the current MCU CU image. If all affected
pairs are not deleted, the MCU rejects the delete RCU operation to prevent accidental deletion of
XP Continuous Access pairs.
1. Connect to the MCU.
2. Ensure that all affected XP Continuous Access volume pairs are deleted. Volume pairs, which
consist of a P-VOL in the connected MCU and CU image and an S-VOL in the selected RCU,
must be deleted.
3. From the CU number/Port tree on the RCU Operation pane, ensure that the correct CU image
is selected.
4. From the MCU/RCU list, click the RCU to be deleted.
5. Right-click, click RCU Operation, and click Delete RCU.
6. Click Apply on the XP Continuous Access main pane to apply the deletion to the disk array.
RCU path parameters
For the Fibre Channel interface, two types of CHF P/K (Fibre Channel packages) are provided:
4-port and 2-port packages. The port mode depends on the package type. Also, each port might
have a different PCB mode setting (standard or high-speed). Therefore, when you configure paths
among initiator ports, target ports, and RCU target ports, study the port modes and specify the
correct mode for each port.
Figure 38 (page 76) and Figure 39 (page 77) show Fibre Channel
interface connections through switches and the XP Continuous Access pane used for this
configuration.
Figure 38 Fibre Channel interface connections through switches
76 Performing XP Continuous Access configuration operations