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

ShadowImage for z/OS user guide 41
Use URz to provide remote backup copies of ShadowImage for z/OS S-VOLs.
Figure 16 SIz and URz: Shared S-VOL/P-VOL
The configuration shown in Figure 17 is an example of a volume that is functioning as both an SIz S-VOL
and a URz S-VOL. This configuration allows you to use SIz to provide additional remote copies of URz
S-VOLs.
Figure 17 SIz and URz: Shared S-VOL/S-VOL
The configuration shown in Figure 18 is an example of a volume that is functioning as both a URz P-VOL
and an SIz S-VOL, while the S-VOL of the same URz pair is also functioning as the S-VOL of another SIz
pair. This configuration allows you to:
Use ShadowImage for z/OS to provide on-site backup copies of URz P-VOLs and S VOLs, and/or