When backing up data sets in an SMS-managed environment, you need to think about some special conditions in addition to those discussed under Backing up data sets. The following sections discuss how you can back up SMS-managed data sets in an SMS-managed environment.

In most cases, you should let DFSMShsm back up SMS-managed data sets for you. However, if you do not have DFSMShsm or if you prefer not to rely on it for all your backup requirements, you can use DFSMSdss to back up your SMS-managed data sets.