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.
Chapter 3 Preparing for Universal Replicator z/OS Operations |