Local Storage System
ShadowImage
P-VOL
Copying data in the P-VOL that is an internal volume of the
local storage system to the S-VOL that is a mapped external
volume.
Legend
: Internal volume
: Internal volume where the external volume is mapped
: External volume
: Data copy direction
Figure 2-15
About Universal Volume Manager Operations
Hitachi Universal Storage Platform V/VM Universal Volume Manager User's Guide
Mapping
ShadowImage
S-VOL
Example of the ShadowImage Operation
External Storage System
2-35