Hitachi TrueCopy for IBM z/OS User and Reference Guide (T5211-96001, June 2007)

Performing TrueCopy for z/OS Configuration Operations 5-27
Hitachi Universal Storage Platform V TrueCopy for IBM z/OS User’s Guide
Table 5-3 describes the path status descriptions.
– MCU Port number and RCU Port number.
• RCU S/N: Serial number of the RCU. LDKC number is displayed enclosed in
parentheses to the right of the RCU S/N.
• Controller ID: Controller ID and model name.
• SSID: SSID(s) of the RCU.
• RCU CU No.: CU number of the RCU.
• MCU-RCU Path: Type of channel interface between the storage systems
(fibre).
• Minimum Paths: Minimum number of MCU-RCU paths for the selected RCU.
• Incident: The host(s) to which the RCUs will report link incident records.
• RIO MIH Time: Time value for the remote I/O (RIO) missing interrupt
handler (MIH), which is the wait time until data transfer from the MCU to RCU
is complete.
• RCU Registered: Date and time when the RCU was added.
• Last Updated: Date and time when the RCU was last updated.
• FREEZE Option: Support for the CGROUP (FREEZE/ RUN) PPRC TSO
command.
• Round Trip Time: Delay time because of remote I/O according to the
connection devices and the distance of line between MCU and RCU.
• Check box, "Refresh the RCU Operation window after this dialog box
is closed": To refresh the RCU Operation window after closing the RCU
Status dialog box, click the check box. By default, the check box is not
selected.
The Refresh button refreshes the status information. The Close button closes
the RCU Status dialog box.