# Volume Conversion dialog box

You use this dialog box to issue the DFSMSdss CONVERTV command to convert the selected volumes to or from system-managed storage (SMS). To learn about the standard capabilities of a dialog box, see Standard tabs in the dialog boxes of the Storage Toolkit. The topic includes a link to the Reference guides for commands that are used in the Storage Toolkit.

The following parameters are available:

- Action: Prepare, Test, or Convert.
- Convert multi-volume data sets
- Redetermine classes for SMS data sets