Figure 1 shows SMS—managed volumes after level 1 to level 2 migration. In this figure, at least one of the ML1 volumes had reached or exceeded its threshold of occupancy when DFSMShsm performed its space check. Data set STANDMC.ML.F3 migrates from the ML1 volumes to the tape ML2 volumes (a cartridge-type device) because it has passed the LEVEL 1 DAYS NON-USAGE value from management class STANDMC.
Figure 1. Example System of SMS-Managed Volumes after
Level 1 to Level 2 Migration