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3-64 Chapter 3 Preparing for Universal Replicator z/OS Operations
Hitachi Universal Replicator for IBM /OS User’s Guide
There are no limitations on the combinations of USP V and TagmaStore
USP/NSC secondary storage systems. However, note that the specifications
of the extended consistency groups differ depending on whether the
supervisor DKC is USP V or TagmaStore USP/NSC. The specifications of the
extended consistency group when TagmaStore USP/NSC is connected is
described below.
When the supervisor DKC is USP V and the subordinate DKCs are
TagmaStore USP/NSC
There are no limitations for the use of extended consistency groups
when the supervisor DKC is USP V and the subordinate DKCs are
TagmaStore USP/NSC. All journal groups in USP V and TagmaStore
USP/NSC can be specified as extended consistency groups. Two
examples of the configurations of secondary EXCTG are described next.