Hitachi ShadowImage for IBM z/OS User"s Guide (T5213-96002, June 2007)

2-28 About ShadowImage™ for IBM

z/OS

Operations

Hitachi ShadowImage™ for IBM

z/OS

User’s Guide

URz P-VOL

SIz S-VOL

URz S-VOL

SIz T-VOL

Storage system 1

Storage system 2

Universal Replicator for z/OS

ShadowImage

for z/OS

Legend:

SIz S-VOL:

SIz T-VOL:

URz P-VOL:

URz S-VOL:

SIz source volume

SIz target volume

URz primary data volume

URz secondary data volume

Figure 2-14 SIz and URz: Shared S-VOL/P-VOL

The configuration shown in Figure 2-15 is an example of a volume, which 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.