2.1 DFSMShsm overview2.1.1 Space management2.1.2 Availability management2.1.3 DFSMShsm enhancements2.2 Classic Migration, Storage Tiers, and Data Migration2.2.1 Classic Migration2.2.2 Storage tiers2.2.3 Data migration2.3 ARCMDEXT support for transition2.4 Fast Replication Patch non-DFSMShsm backup utility2.5 Fast replication messaging in a consolidated log2.6 DFSMShsm common dump queue2.6.1 Sample implementation2.6.2 Disconnecting from a Common Dump Queue2.6.3 Changing the MS2.6.4 Shutdown considerations2.6.5 MS loss of connectivity considerations2.6.6 Holding, releasing, and canceling Dump considerations2.6.7 Altering Dump priority2.6.8 Commands2.7 Dump class definitions MINSTACK and MAXSTACK2.8 Multiple copy pools onto the same tape2.9 New UPDTCDS command