Before you begin: You must define Cache structures to z/OS® in a CFRM policy.

Perform the following steps to define a cache set and specify the cache structures associated with it.

1. Select option 8, Control Data Set, from the ISMF Primary Option Menu for Storage Administrators. This displays the Control Data Set (CDS) Application Selection panel.

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2. Supply values on the Control Data Set (CDS) Application Selection panel:

   CDS Name

   This is the name of the SCDS that is to contain the base configuration for VSAM RLS. The CDS Name field is primed with the last used SCDS.

   Option

   Select option 7, Cache Update. This displays the CF Cache Set Update panel.

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3. Supply values on the CF Cache Set Update panel:

   Cache Set

   This is the name of a cache set. You can define up to 256 cache set names.

   CF Cache Structure Names

   These are the names of all CF cache structures associated with the cache set. You can specify up to eight CF cache structures for each cache set.

   Cache structures must be previously defined to z/OS in a CFRM policy.