Hitachi MK-96RD626-07 Computer Drive User Manual


 
About Universal Volume Manager Operations 2-35
Hitachi Universal Storage Platform V/VM Universal Volume Manager User’s Guide
Mapping
Local Storage System
External 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.
ShadowImage
S-VOL
: Internal volume
: Internal volume where the external volume is mapped
: External volume
Legend
: Data copy direction
Figure 2-15 Example of the ShadowImage Operation