What tasks can I perform using DFSMShsm user commands?
As a TSO or TSO/E terminal user, you can use DFSMShsm user commands to perform the following space management and data availability management tasks on your data sets:
| User Command | User Task |
|---|---|
| HALTERDS | Changes the backup frequency and number of backup versions kept for one or more data sets. Cannot be used on SMS-managed data sets, which are controlled by the data sets management class parameters. If used on SMS-managed data sets, the command fails and an error message is issued. |
| HBACKDS | Creates a backup version of one or more data sets. |
| HBDELETE | Deletes specific backup versions of one or more data sets. |
| HCANCEL | Cancels one or more existing queued DFSMShsm command requests. |
| HDELETE | Deletes one or more migrated data sets. |
| HLIST | Lists information from the migration and backup control data sets. |
| HMIGRATE | Migrates one or more data sets. |
| HQUERY | Lists outstanding DFSMShsm requests associated with your user identification. |
| HRECALL | Recalls one or more migrated data sets. |
| HRECOVER | Recovers a backup version of one or more data sets. |