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Remote Command Devices 7-7
Hitachi Universal Storage Platform V/VM Universal Volume Manager User’s Guide
CL1-A
Initiator
Standard
Port Block (All ports are in the Standard mode.)
: Cable
: Ports of Standard mode
: Ports of Initiator/External MIX mode
CL3-A
External
Standard
CL5-A
Initiator
Standard
CL7-A
External
Standard
CL1-A
Initiator
MIX
Port Block (All ports are in the Initiator/External MIX mode.)
CL3-A
[1-A 2nd]
External
MIX
CL5-A
Initiator
MIX
CL7-A
[5-A 2nd]
External
MIX
Legend
Figure 7-2 Difference between Standard Mode and Initiator/External
MIX Mode
Figure 7-3 shows an example of using TrueCopy or Universal Replicator with
remote command device. The System 1 functions as MCU of TrueCopy or
Universal Replicator, and at the same time it functions as the local storage
system of the remote command device. the System 2 functions as RCU of
TrueCopy or Universal Replicator, and at the same time it functions as the
external storage system of the remote command device. In this case, the
setting of TrueCopy pair or Universal Replicator pair and setting of the remote
command device are both made using the port of the Initiator/External MIX
mode. As this example shows, you only need to connect one cable to one of
the ports that are set to the Initiator/External MIX mode, this means that you
do not need to connect cables to each port of different port attributes.