I do agree with Ed. 
If you never accept, you will have a lot of difficulties to restore a PTF or a 
usermod.

We do a daily receive order of PTF's and Holddata.
On a weekly base, we also do a receive of the information for the SECurity 
INTegrity PTFS.

Before we start applying maintenance, we backup all the information for a 
product (SMPE CSI, targets, dlibs).

We then perform a Accept on RSU level. The RSU level we accept is the previous 
RSU level used for apply - 2.
          
   RSU21*                 
   RSU22*                 
   RSU23*                 
   RSU2401 /* TREL 2410 */
   RSU2402 /* TREL 2410 */
   RSU2403 /* TREL 2411 */
   RSU2404 /* TREL 2501 */
   RSU2405 /* TREL 2501 */
   DUMMYEND)              

After accept is done, we start apply with current RSU level at IBM - 1, 
together with SECINT, PRP, HIPER, selective fixcat's.
It looks like this:
SOURCEID(DUMMYBEGIN                              
         SECINT                                  
         HIPER                                   
         IBM.COEXISTENCE.*                       
         IBM.DB2.ANALYTICSACCELERATOR.*          
         IBM.DEVICE.DISK.*                       
         IBM.DEVICE.TAPE.TS7700-3957             
         IBM.DEVICE.SERVER.Z15-*.*               
         IBM.DEVICE.SERVER.Z16-*.*               
         IBM.DEVICE.SERVER.ZNEXT-*.*             
         IBM.DRIVINGSYSTEM-REQUIREDSERVICE       
         IBM.FUNCTION.SYSTEMRECOVERYBOOST        
         IBM.FUNCTION.CONCURRENTCOPY             
         IBM.FUNCTION.DATASETENCRYPTION          
         IBM.FUNCTION.EAV                        
         IBM.FUNCTION.EXTENDEDREMOTECOPY         
         IBM.FUNCTION.FICON.DYNAMICCHANNELPATHMGT
         IBM.FUNCTION.FLASHCOPY                  
         IBM.FUNCTION.GDPS                       
         IBM.FUNCTION.GDPS.PPRC-HYPERSWAP-MANAGER
         IBM.FUNCTION.GLOBALMIRROR               
         IBM.FUNCTION.HEALTHCHECKER              
         IBM.FUNCTION.HYPERPAV                   
         IBM.FUNCTION.HYPERSWAP                  
         IBM.FUNCTION.MULTI-FACTORAUTHENTICATION 
         IBM.FUNCTION.PDSE                       
         IBM.FUNCTION.PEERTOPEERREMOTECOPY       
         IBM.FUNCTION.PRICINGINFRASTRUCTURE      
         IBM.FUNCTION.RACF.*                     
         IBM.FUNCTION.SERVERTIMEPROTOCOL         
         IBM.FUNCTION.SMFLOGSTREAM               
         IBM.FUNCTION.SMFRECORD                  
         IBM.FUNCTION.SYSPLEXDATASHARING         
         IBM.FUNCTION.TDMF                       
         IBM.FUNCTION.UNIXFILEBACKUP             
         IBM.FUNCTION.VSAM*                      
         IBM.FUNCTION.ZEDC                       
         IBM.FUNCTION.ZSORT                      
         IBM.FUNCTION.ZHIGHPERFORMANCEFICON      
         IBM.MIGRATE-FALLBACK.*                  
         IBM.PRODUCTINSTALL-REQUIREDSERVICE      
         IBM.TARGETSYSTEM-REQUIREDSERVICE.*      
         PRP                                     
         RSU21*                
         RSU22*                
         RSU23*                
         RSU2401 /* TREL2406 */
         RSU2402 /* TREL2406 */
         RSU2403 /* TREL2408 */
         RSU2404 /* TREL2410 */
         RSU2405 /* TREL2410 */
         RSU2406 /* TREL2411 */
         RSU2407 /* TREL2411 */
         RSU2408 /* TREL2501 */
         RSU2409 /* TREL2501 */
         DUMMYEND)             

With this methodology we don't have big issues if we want to restore things via 
SMP/E.
The chain of PTFS is manageable and we don't aggressively accept stuff.

The initial accept and apply are always done on cloned (INSTALL TEST) 
environments.
We gather the list of PTF's accepted and applied and do a specific accept and 
apply of these PTFS on our real installation environment.


We do this 8x a year.

regards, Luc

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