There are three primary options in the ISPF Customization Panels as shown in the following list:
Regenerate the SUTPARMS member for an existing CA Vtape complex. You cannot change the previously entered DSN Prefix. Changing the DSN Prefix would make the SUTPARMS member generated incompatible with an existing CA Vtape Complex. The DSN Prefix can only be changed with the Define option.
Invoke this option to regenerate the SUTPARMS member if it is lost.
Generate the SUTPARMS configuration member used to define and initialize the control data sets in a CA Vtape Complex. Changing the CA Vtape DSN Prefix is permitted.
Invoke this option when defining a new CA Vtape Complex.
Important! Selecting this option and submitting the generated JCL members can cause data loss if access to existing Virtual Volumes is lost. Select this option only to define and initialize a new CA Vtape complex using a new DSN prefix.
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