//SMSDS1  DD  DSNAME=MYDS1.PGM,DATACLAS=DCLAS1,STORCLAS=SCLAS1,
//          MGMTCLAS=MCLAS01,DISP=(NEW,KEEP)

In the example, SMS uses the attributes in the management class named MCLAS01 to handle the migration and backup of the SMS-managed data set. Note that installation-written ACS routines may override the specified management class, storage class, and data class.