A new field called the last successful class transition date (LSCTD),
will be set and used by DFSMShsm to manage class transitions. DFSMShsm
will use this field to determine if a data set has already been transitioned
and should not be reprocessed.
- All existing and newly allocated data sets are
assigned an LSCTD value of zero
- If the management class is changed during a transition, then the
LSCTD is set to zero. This indicates that the data set should be transitioned
based on the class transition policy of the newly assigned management
class.
- If the management class is not changed during a transition, then
the LSCTD is set to the date of the transition. A non-zero date will
prevent a data set from a repeating another transition based on creation
or last referenced date. A data set with a nonzero transition date
is still eligible for a periodic transition.
LISTCAT and DCOLLECT have been updated to include this field.