Over one-hundred ptfs were received using CSM, then using z/OSMF Software Update to install Recommended ptfs only a small subset gets installed.
Release : 20.0
Component : DB2 Common Components
CSM had not received the CA RS and HIPER ++ASSIGN files into the product's Global zone for association with the selected PTFs being received.
There are three types of Software Updates via z/OSMF. The first type is Corrective updates where you specify specific ptfs / Apar names. The second is Recommended updates based on Vendor supplied SourceIDs (CAR*, HIPER, RSL*,RSU*,SECINT, PRP). And the third is Functional Updates based on Vendor supplied functional SourceIDs (example: CA-TargetSystem-RequiredService.product.version, etc.).