DB2 START MSTR ABEND=SB78

ERROR MSG:
IEF403I V91BMSTR - STARTED - TIME=15.05.23                         
IEF188I PROBLEM PROGRAM ATTRIBUTES ASSIGNED                        
IEA705I ERROR DURING GETMAIN SYS CODE = B78-08 V91BMSTR V91BMSTR 00
IEA705I 00F92900 007FF290 007FF290 00E57200                        
IEA995I SYMPTOM DUMP OUTPUT 511                                    
SYSTEM COMPLETION CODE=B78  REASON CODE=00000008                   
 TIME=15.05.23  SEQ=03320  CPU=0044  ASID=004D                     
 PSW AT TIME OF ERROR  070C1000   813B4686  ILC 2  INTC 0D         
   NO ACTIVE MODULE FOUND                                          
   NAME=UNKNOWN                                                    
   DATA AT PSW  013B4680 - 00181610  0A0D18CE  18FB180C            
   GR 0: 84000000   1: 84B78000                                    
      2: 80000040   3: 0000E572                                    
      4: 007FF290   5: 007FF208                                    
      6: 813AF858   7: 00F92900                                    
      8: 00000000   9: 00000D40                                    
      A: 00000000   B: 7FFFDCA0                                    
      C: 00000044   D: 00006F30                                    
      E: 18A00154   F: 00000008                                    
 END OF SYMPTOM DUMP                                               
IEF450I V91BMSTR V91BMSTR - ABEND=SB78 U0000 REASON=00000008 512   
        TIME=15.05.23                                              
IEF404I V91BMSTR - ENDED - TIME=15.05.23                           
/HASP395 V91BMSTR ENDED                                            

ERROR Description：
SB78 -      THE ERROR OCCURRED DURING EXECUTION OF A GETMAIN OR FREEMAIN   
            MACRO:                                                             
            - A SUBPOOL NUMBER GREATER THAN 127 WAS SPECIFIED BY A PROBLEM 
            PROGRAM (A PROGRAM NOT AUTHORIZED TO USE VALID SUBPOOL       
            NUMBERS GREATER THAN 127) (RC=08)                            
            - AN AUTHORIZED PROGRAM REQUESTED AN INVALID SUBPOOL (RC=04)   
            --POSSIBLE CAUSE--                                                   
            TRIED TO CHANGE BLOCKING FACTOR WHILE LOADING A DATASET             
            COBOL - CONTROL PASSED BEYOND END OF PROGRAM DUE TO INVALID PERFORM 

Solution Step：
1.其实在JES中用start DB2命令启动一个subsystem，最后也是转化成submit job的形式。
2.在joblist里我们找到V91BMSRT这个job，可以看到它的return code是ABEND SB78。
//V91BMSTR JOB MSGLEVEL=1                                  
//STARTING EXEC V91BMSTR                                   
XX*************************************************        
XX*        JCL FOR PROCEDURE FOR THE STARTUP               
XX*        OF THE DB2 CONTROL ADDRESS SPACE.               
XX*                                                        
XX*        INSTALLATION MAY CHANGE PROGRAM LIBRARY         
XX*        NAMES IN STEPLIB DD STATEMENT TO THE            
XX*        LIBRARY IN WHICH DB2 MODULES ARE                
XX*        LOADED USING THE PROCEDURE VARIABLE:            
XX*            LIB                                         
XX*                                                        
XX*************************************************        
XXV91BMSTR PROC LIB='DB2.V91B.SDSNEXIT'                    
XXIEFPROC  EXEC PGM=DSNYASCP,DYNAMNBR=119,REGION=0K,       
XX         PARM='ZPARM(DSNZPARM),GROUP(DSN9B),MEMBER(V91B)'
XXSTEPLIB  DD DSN=&LIB,DISP=SHR                            
IEFC653I SUBSTITUTION JCL - DSN=DB2.V91B.SDSNEXIT,DISP=SHR 
XX         DD DISP=SHR,DSN=DSN910.V91B.SDSNLOAD            
XXBSDS1    DD DISP=SHR,DSN=DSN9BCAT.V91B.BSDS01            
XXBSDS2    DD DISP=SHR,DSN=DSN9BCAT.V91B.BSDS02            
可见这整个JCL都是通过procedure extract出来的。
3.check一下DB2.V91B.SDSNEXIT在不在APF list里面，如果不在，就加进去；如果在的话，检查一下volume是不是有变更。
重新start DB2，OK