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Storage Management Subsystem

The Storage Management Subsystem (SMS) is a feature of IBM's DFP Version 3 and above that handles new data set allocations to volumes that it controls, and associates new attributes with those data sets. The Interactive Storage Management Facility (ISMF) provides a mechanism to specify which volumes are to be under SMS control and which data sets will be placed on SMS controlled volumes (that is, which data sets will be SMS controlled). The process SMS uses to determine whether or not the data set being allocated is to be SMS controlled involves classifying the data set in storage management terms.

Important! The storage management classification has no correspondence or effect upon security data classification or security resource classes.