Hitachi TrueCopy for z/OS user guide (December 2005)

TrueCopy for z/OS user guide 67
The RCU Operations window is updated when the tab is switched from one to another, when the Refresh
button ( ) is clicked, and when the settings for the RCU are applied. For the RCU settings operation, see
”RCU Operations” on page 76.
Figure 30 RCU Operations window
The Display buttons switch the contents of the tree and the list. Clicking MCU&RCU displays the CU
Number tree and the MCU/RCU list (see ”CU Number Tree and MCU/RCU List” on page 67). Clicking
Port displays the Port tree and the Port list (see ”Port Tree and Port List” on page 69).
The Operation information indicates the current operation performed on the RCU Operations window.
CU Number Tree and MCU/RCU List
The CU Number tree and the MCU/RCU list are displayed when the MCU&RCU option is selected in the
Display box. In the CU Number tree, only the CU numbers, which include active MCUs or RCUs, are
displayed. There is no branch under the CU Number tree. When the CU contains RCU that has the failed
path, the error icon ( ) is shown for the CU number in the CU Number tree.