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3-66 Chapter 3 Preparing for Universal Replicator z/OS Operations
Hitachi Universal Replicator for IBM /OS User’s Guide
When the supervisor DKC of the secondary storage system is
TagmaStore USP/NSC and the subordinate DKCs are USP V, there are
limitations for journal groups that can be registered in the extended
consistency group. The journal groups that can be registered in an
extended consistency group and the journal groups that cannot be
registered in an extended consistency group are described below.
– As described in the configuration example 1 in Figure 3.40, the
journal group of LDKC00 of USP V (subordinate DKC) can be
registered in the extended consistency group.
– As described in the configuration example 2 in Figure 3.40, the
journal group of LDKC01 of USP V (subordinate DKC) cannot be
registered in the extended consistency group.
Note: Journal groups of LDKCs other than LDKC00 cannot be registered
in the extended consistency groups when the supervisor DKC is
TagmaStore USP/NSC, even if the number of LDKCs is expanded in a
future version.