The name of the SMS storage group for the duplex data set. Select from existing storage groups or enter a new name. You can use ISMF to define your storage groups. For information about ISMF, see DFSMSdfp Storage Administration Reference, SC26-7402.
Valid values: 1 - 8 characters, A-Z, 0-9, $, @, or #, must start with A - Z, $, @, or #.