Define a vital record specification to set a policy for data sets that are:

• left open by a system failure
• created with a normal disposition of DELETE, or
• closed as a result of the abnormal end of a task

.Define vital record specifications to manage these data sets with a specific policy for these data sets. If you do not define a policy, these data sets are managed by the vital record specification to which they match using the data set and job name, SMS management class, or management value.