You can change information for volumes in multivolume sets by using the DFSMSrmm ISPF dialog.

1. Select Option 3 (CHANGE) on the Volume Menu and press ENTER.
2. Enter a volume in a multivolume set in the Change Volume panel and press Enter. DFSMSrmm displays the panel Figure 1 . Enter Y to update all volumes in a multivolume set.
   Figure 1. DFSMSrmm processing multiple volumes

   EDGPT330
     Do you want to process all volumes in the multivolume set ?  _ (Y/N)
   
   Enter=Execute

3. Change information or add missing information to any of the fields on the Change Volume Set panel. You cannot change the RACK, VOL1, and PREVIOUS VOLUME information when you change the volume information in a multivolume set. RETENTIONMETHOD and RETAINBY can be changed only for the first volume in the set and is propagated to all other volumes in the set. Press ENTER to process your changes. Press PF1 for field-specific help information.
4. DFSMSrmm displays the DFSMSrmm Processing Volume Set panel, which contains a list of all the volumes in the multivolume set that are to be updated. Press Enter to update all the volumes in the multivolume set. DFSMSrmm displays the results of processing in the Change Processed column. The values for the Change Processed column can be OK if the volume is successfully processed or ERROR with a return code and reason code if an error occurred during processing.