Example 4: Level 1 CHECK INDEX of a specified index


This example shows a CHECK INDEX job that performs only level 1 checks on the pages in a specified index. No checks are performed on the consistency between index entries and data rows, and no checks are performed on the table space pages in the table space for which this index is defined.

This CHECK INDEX job reports a one-page error (see message BMC52288I). Messages BMC52221I and BMC52410I explain the error.

Message 50041I indicates the status of zIIP processing. For this example, the ZIIP installation option is ENABLED, but an XBM subsystem was not specified. CHECK PLUS automatically located an available XBM subsystem to provide zIIP processing.

Command options for example 4

Command options used in JCL

Description

NAME

Allows you to specify one or more indexes that you want to check

CHECKIXLEVEL 1

Performs checks on index header pages, space map pages, and root and leaf pages in the index

CHECKTSLEVEL 0

Performs no checks on table space pages other than those performed normally when reading rows from the specified table space


JCL for example 4

//        JOBCARD
//*===================================================================
//*========  Level 1 CHECK INDEX of a specified index        =========
//*================================================================*
//*  Use your DB2 subsystem name inplace of "DB2SYS" parm parameter.  *
//*  Use your DB2 product install libraries for STEPLIBS ;            *
//*     PRODUCT.LIBRARIES                                             *
//*     DB2.DSNEXIT                                                   *
//*     DB2.DSNLOAD                                                   *
//*================================================================*
//CHECK04   EXEC PGM=ACKUMAIN,
//          PARM=(DB2SYS,ACKEX04,NEW,,'MSGLEVEL(1)')
//STEPLIB  DD DISP=SHR,DSN=PRODUCT.LIBRARIES
//         DD DISP=SHR,DSN=DB2.DSNEXIT
//         DD DISP=SHR,DSN=DB2.DSNLOAD
//SYSIN     DD  *
CHECK INDEX NAME(ACK.ACKP0512)
            CHECKIXLEVEL 1
            CHECKTSLEVEL 0
//SYSPRINT  DD DSN=ACK.EXAMPL04.SYSPRINT,
//           UNIT=SYSDA,SPACE=(CYL,(1,1)),DISP=(NEW,CATLG)
//UTPRINT   DD SYSOUT=*

SYSPRINT for example 4 

1                               *****  B M C   C H E C K   P L U S   F O R   D B 2    V13R1.00  *****
                                             (C) COPYRIGHT 1993 - 2022 BMC SOFTWARE, INC.
               CHECK PLUS TECHNOLOGY IS PROTECTED BY ONE OR MORE OF THE FOLLOWING U.S. PATENTS: 5,579,515 AND 6,163,783
-BMC50001I UTILITY EXECUTION STARTING    3/22/2022   21:53:20 ...
 BMC50002I UTILITY ID = 'ACKEX04'.  DB2 SUBSYSTEM ID = 'DEJM'.  OPTION MODULE = 'ACK$OPTS'.
 BMC50471I z/OS 2.4.0,PID=HBB77C0,DFSMS FOR Z/OS=2.4.0,DB2=12.1.510
 BMC50471I REGION=0M,BELOW 16M=8.6M,ABOVE 16M=1,008.2M,IEFUSI=NO,CPUs=7,GPs=5,zIIPs=2
 BMC50471I MEMLIMIT=15.9E,AVAILABLE=15.9E,MEMLIMIT SET BY:REGION=0
 BMC50471I SMFID=DB2B,JOBID=J0265278,JOB=ACKEX04,STEP=CHECK04,CPU=8561-615 (z15)/1.71,76.0G
0
 BMC50471I CHECK PLUS FOR DB2--V13.01.00 BASE
 BMC50471I   NO MAINTENANCE TO REPORT
 BMC50471I DB2 UTILITIES COMMON CODE--V13.01.00 BASE
 BMC50471I   NO MAINTENANCE TO REPORT
 BMC50471I SOLUTION COMMON CODE--V13.01.00 BASE
 BMC50471I   MAINT: BPJ1541  BPJ1713  BPJ2211
 BMC50471I BMCSORT ENGINE--V02.04.01
 BMC50471I   MAINT: BPJ0691  BPJ0718  BPJ0881  BPJ0922  BPJ0996  BPJ1164  BPJ1309  BPJ1386  BPJ1497  BPJ1594  BPJ1724  BPJ1809
 BMC50471I          BPJ1833  BPJ1891  BPJ1905  BPJ2109  BPJ2232  BPJ2297
 BMC50471I BMC STATS API--V13.01.00 BASE
 BMC50471I   NO MAINTENANCE TO REPORT
 BMC50471I EXTENDED BUFFER MANAGER--V06.02.01
 BMC50471I   MAINT: BPE0443  BPE0445  BPE0447  BPE0449  BPE0450  BPE0451  BPE0452  BPE0455  BPE0456  BPE0457  BPE0460  BPE0463
 BMC50471I          BPE0467  BPE0468  BPE0469  BPE0473  BPE0474  BPE0475  BPE0479  BPE0480  BPE0482  BPE0487  BPE0488  BPE0489
 BMC50471I          BPE0493  BPE0497  BPE0498  BPE0501  BPE0503  BPE0507  BPE0512  BPE0513  BPE0517  BPE0518  BPE0519  BPE0523
 BMC50471I          BPE0524  BPE0527  BPE0528  BPE0530  BPE0531  BPE0534  BPE0535  BPE0540  BPE0541  BPE0542  BPE0545  BPE0549
 BMC50471I          BPE0551  BPE0552  BPE0555  BPE0556  BPE0557  BPE0560
0
 BMC50471I DRNDELAY=3                              LOADDECP=NO                             SQLDELAY=3
 BMC50471I DRNRETRY=10                             LOCKROW=YES                             SQLRETRY=100
 BMC50471I DRNWAIT=NONE                            MAXP=5                                  UXSTATE=SUP
 BMC50471I DSER=NO                                 MSGLEVEL=1                              WBUFFS=20
 BMC50471I DSPLOCKS=NONE                           OPNDB2ID=YES                            WORKUNIT=SYSALLDA
 BMC50471I FILECHK=WARN                            PLAN=ACK1310T                           XBLKS=3
 BMC50471I FORCE_AT=(START,3)                      SMAX=16                                 ZIIP=ENABLED
 BMC50471I FORCE_RPT=NO                            SMCORE=(0K,0K)
 BMC50471I FORCE=NONE                              SORTNUM=32
0

 BMC50471I DB2 DSNHDECP MODULE SETTINGS:
 BMC50471I VERSION                 = 1210
 BMC50471I SUBSYSTEM DEFAULT       = DEJM
 BMC50471I CHARACTER SET           = ALPHANUM
 BMC50471I DATE FORMAT             = USA
 BMC50471I TIME FORMAT             = USA
 BMC50471I LOCAL DATE LENGTH       = 0
 BMC50471I LOCAL TIME LENGTH       = 0
 BMC50471I DECIMAL POINT           = PERIOD
 BMC50471I DECIMAL ARITHMETIC      = 15
 BMC50471I DELIMITER               = DEFAULT
 BMC50471I SQL DELIMITER           = DEFAULT
 BMC50471I ENCODING SCHEME         = EBCDIC
 BMC50471I APPL. ENCODING SCHEME   = EBCDIC
 BMC50471I MIXED                   = NO
 BMC50471I EBCDIC CCSID            = (37,65534,65534)
 BMC50471I ASCII CCSID             = (819,65534,65534)
 BMC50471I UNICODE CCSID           = (367,1208,1200)
 BMC50471I IMPLICIT TIME ZONE      = CURRENT (-05:00)


 BMC50658I DB2 CURRENT FUNCTION LEVEL IS V12R1M509
 BMC50659I DB2 CATALOG LEVEL IS V12R1M509
 BMC50660I DB2 HIGHEST ACTIVATED FUNCTION LEVEL IS V12R1M509
 BMC50661I DB2 CODE LEVEL IS V12R1M510

 BMC50471I BMC_BMCUTIL       ='BMCUTIL.CMN_BMCUTIL'
 BMC50471I BMC_BMCSYNC       ='BMCUTIL.CMN_BMCSYNC'
 BMC50471I BMC_BMCHIST       ='BMCUTIL.CMN_BMCHIST'
 BMC50471I BMC_BMCRELS       ='ACKIB2.BMCRELS'
 BMC50471I BMC_BMCFKEY       ='ACKIB2.BMCFKEY'
 BMC50471I BMC_BMCPKEY       ='ACKIB2.BMCPKEY'
 BMC50471I BMC_BMCKEYS       ='ACKIB2.BMCKEYS'
0
0
 BMC50102I CHECK INDEX NAME(ACK.ACKP0512)
 BMC50102I             CHECKIXLEVEL 1
 BMC50102I             CHECKTSLEVEL 0

 BMC50041I 0: ZIIP  ENABLED (0) USING XBM SUBSYSTEM XBMB
 BMC50004I UTILINIT PHASE COMPLETE.  ELAPSED TIME = 00:00:00

 BMC50394I UNABLE TO LOCATE SORT WORK DATASETS, DDNAME = 'SORTWKNN'
 BMC50474I BELOW 16M = 8336K, ABOVE 16M = 1026796K, CPUS = 5
 BMC52230I MAX TASKS = 1, MAX PARTS/TASK = 3, SORTWKS/TASK =  32, MAX OPEN PARTS/TASK = 3, MAX INDEXES/TASK = 1

 BMC50894I PAGE EXTERNALIZATION PROCESS STARTING AT   3/22/2022  21:53:21

 BMC50650I ESTABLISHING A POINT OF CONSISTENCY FOR:
 BMC50651I SPACE ACKPDB.ACKP0512 PART(0) PSID(0007)

 BMC50895I PAGE EXTERNALIZATION PROCESS COMPLETE.  ELAPSED TIME =  00:00:00

 BMC52221I MESSAGES FOR INDEX SPACE 'ACKPDB.ACKP0512' PAGE 000001
 BMC52409I   PGCOMB INDICATES PAGE MODIFIED BY REPAIR UTILITY
 BMC52410I   FOSMNENT (32631) NOT VALID, SHOULD BE 1FA0
 BMC52286I 1: CHECKING OF DATASET 'DEJMCAT.DSNDBD.ACKPDB.ACKP0512.I0001.A001' READ 5 PAGES
 BMC50481I 1: UNLOAD INDEX TASK COMPLETE.  ELAPSED TIME = 00:00:00
 BMC52278I 0 ENTRIES CHECKED FOR (PGSIZE  4K) INDEX 'ACK.ACKP0512,' 0 ERRORS
 BMC52288I CHECK ERROR SUMMARY: PAGE EXCEPTIONS-2, CONSTRAINT VIOLATIONS-0
 BMC50004I CHECK PHASE COMPLETE.  ELAPSED TIME = 00:00:00

 BMC50041I 0: ZIIP NOT ENABLED (0) USING XBM SUBSYSTEM XBMB
0BMC50006I UTILITY EXECUTION COMPLETE, RETURN CODE = 0

 

Tip: For faster searching, add an asterisk to the end of your partial query. Example: cert*