As the needs of your installation change, you might need to change aggregate groups. To modify an Aggregate Group, go to the Aggregate Group Application Selection panel and specify the name of the SCDS containing the aggregate group you want to alter. Specify the aggregate group name and select option 4, Alter.

Perform the following steps to modify an aggregate group.

1. Display the Aggregate Group Application Selection panel (select option 9 from the ISMF Primary Option Menu for storage administrators).

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2. Supply values on the Aggregate Group Application Selection panel:

   CDS Name

   Is the name of the SCDS containing the aggregate group you want to alter.

   Aggregate Group Name

   Is the name of the aggregate group.

   Option

   Select option 4, Alter. Press Enter to see the Aggregate Group Alter panel. It contain the same attributes as the Aggregate Group Define panels discussed in Defining aggregate group attributes. The fields are primed with the information you entered when defining the aggregate group.

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3. Type over the old information with your new information on the Aggregate Group Alter panel. For more information, see Defining aggregate group attributes.

   Use the DOWN command to see the next page.

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4. Use the END command to save the changes and return to the Data Class Application Selection panel. The changes take effect when you activate this updated configuration.