Host |
|
|
|
|
|
|
|
|
|
| Host | |||
(Primary) |
|
|
|
|
|
|
|
|
|
| (Secondary) | |||
|
|
|
|
|
|
|
|
|
|
| *1 |
|
|
|
|
|
|
|
|
|
|
|
| ||||||
|
|
|
|
| NL_Port |
|
|
|
| NL_Port |
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
MCU | RCU |
*1 Fabric OFF
* To set ports, use LUN Manager and set port topology to: Fabric off,
Initiator port
RCU target port
Ordinary
Figure 3-2 Direct Remote Copy Connections
Host |
|
|
|
|
|
|
|
|
| Host |
| ||||
(Primary) |
|
|
|
|
|
|
|
|
| (Secondary) |
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| NL_Port |
|
| Max. 2 switches |
|
|
| NL_Port |
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
| connection |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
MCU |
|
| RCU |
| E_Port |
| *1 Fabric ON |
|
|
| |
FL_port | NL_port | *1 | FL_port |
or | or | or | |
F_port | N_port |
| F_port |
Initiator port
RCU target port
Ordinary
Switch
Figure 3-3 Switch Remote Copy Connection
Host
(Primary)
Host |
| Initiator port |
(Secondary) |
| |
|
|
NL_Port
MCU
*1
NL_Port
or
N_Port
NL_Port
RCU
*1 Fabric ON
RCU target port
Ordinary
Switch
Channel extender
Figure 3-4 Extender Remote Copy Connection
Caution: When a MCU and RCU are connected via switches with channel extender, and multiple remote copy paths are assembled, the capacity of data to be transmitted may concentrate on particular switches, depending on the configuration and the settings of switch routing.
Chapter 3 Preparing for Universal Replicator z/OS Operations |