About Universal Volume Manager Operations
2-31
Hitachi Universal Storage Platform V/VM Universal Volume Manager User’s Guide
Mapping
Local
Storage
System
(
RCU
)
External
Storage System
Copying data in the P-VOL of the local storage system that is connected
as MCU to the S-VOL of the local storage system that is set as RCU.
The S-VOL is a mapped external volume.
Local
Storage
System
(
MCU
)
TrueCopy
P-VOL
TrueCopy
S-VOL
RCU Target
Port
Initiator
Port
: Internal volume
: Internal volume where the external volume is mapped
: External volume
Legend
: Data copy direction
Figure 2-13
Example of the TrueCopy Operation
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