Hitachi ShadowImage for z/OS user guide (HIT9503-96004, June 2006)

42 ShadowImage for the XP1024/XP128/XP12000/XP10000
• Use URz to provide remote backup of ShadowImage for z/OS S-VOLs.
Figure 18 SIz and URz: Shared S-VOL/P-VOL and S-VOL/S-VOL
NOTE: Usually TCz and URz can share the volumes with SIz. However, in some cases, you cannot create
SIz pairs using the volume shared with TCz and URz.
The configuration shown in Figure 3.10 is an example of a volume which is functioning as both a
ShadowImage for z/OS® T-VOL and a URz P-VOL. This configuration allows you to use URz to provide
remote copies of ShadowImage for z/OS® T-VOLs.
Figure 19 SIz and URz: Shared S-VOL/P-VOL and S-VOL/S-VOL