Limited supportBMC provides limited support for this version of the product. As a result, BMC no longer accepts comments in this space. If you encounter problems with the product version or the space, contact BMC Support.BMC recommends upgrading to the latest version of the product. To see documentation for that version, see UNLOAD PLUS for DB2 13.1.

Example 4 — Unloading while allowing read write access to the table space


This example unloads a sample of rows from example tables while giving users read/write access to the table space.

By specifying SHRLEVEL CHANGE CONSISTENT YES, UNLOAD PLUS briefly restricts access to the object only while externalizing the pages of the table space. When operating on partitioned objects (as in this example), UNLOAD PLUS restricts access of only the participating objects.

Message 50041I indicates the status of zIIP processing. For this example, an XBM subsystem ID was specified for SHRLEVEL CHANGE processing. UNLOAD PLUS uses the same XBM subsystem ID for zIIP processing.

The following table describes key command options that this job uses:

Command options used in JCL

Description

LIMIT 10

Unloads up to 10 records

INTERVAL 2

Unloads every other row

SHRLEVEL CHANGE CONSISTENT YES

Invokes XBM or SUF to allow concurrent read and write access during the unload

XBMID XBMB

Identifies the XBM subsystem for using XBM or SUF with UNLOAD PLUS

SELECT

Names columns to unload

FROM

Names the table to unload

WHERE

Qualifies the data to unload

The following figure shows the JCL for example 4:

//        JOB
//UNLOAD04 EXEC PGM=ADUUMAIN,REGION=0M,
//         PARM=(DEHJ,'ADUXM04','NEW ',,'MSGLEVEL(1)')
//*********************************************************************
//STEPLIB  DD DISP=SHR,DSN=<product.libraries>
//         DD DISP=SHR,DSN=DB2.DSNEXIT
//         DD DISP=SHR,DSN=DB2.DSNLOAD
//SYSIN    DD *
*
 UNLOAD LIMIT 10  INTERVAL 2
        SHRLEVEL CHANGE CONSISTENT YES XBMID XBMB
*
      SELECT EMPL_LNAME, HIRE_DATE, DEPT_NO, SALARY_CODE
           FROM BMC.EMPLS
             WHERE SALARY_CODE ='H'
*
      SELECT EMPL_LNAME,EMPL_HIRE_DATE,EMPL_DEPT_NO,EMPL_SALARY_CODE
           FROM BMC.RET_EMPLS
             WHERE EMPL_SALARY_CODE ='S'
*
//SYSREC01 DD DSN=ADU.EXAMPLE4.SYSREC01,
//            DISP=(,CATLG),SPACE=(TRK,(1,1)),UNIT=SYSDA
//SYSREC02 DD DSN=ADU.EXAMPLE4.SYSREC02,
//            DISP=(,CATLG),SPACE=(TRK,(1,1)),UNIT=SYSDA
//UTPRINT  DD SYSOUT=*
//SYSPRINT DD SYSOUT=*

SYSPRINT for example 4

The following figure shows the SYSPRINT for example 4:

                                *****  B M C   U N L O A D   P L U S   F O R   D B 2    V11R1.00 *****
                                             (C) COPYRIGHT 1991 - 2013 BMC SOFTWARE, INC.
 BMC50001I UTILITY EXECUTION STARTING   10/28/2013   13:02:42 ...
 BMC50002I UTILITY ID = 'ADUXM04'.  DB2 SUBSYSTEM ID = 'DEHJ'.  OPTION MODULE = 'ADU$OPTS'.
 BMC50471I z/OS 2.1.0,PID=HBB7790,DFSMS FOR Z/OS=2.1.0,DB2=11.1.0
 BMC50471I REGION=0M,BELOW 16M=8844K,ABOVE 16M=1412360K,IEFUSI=NO,CPUS=3
 BMC50471I MEMLIMIT=17592186040320M,AVAILABLE=17592186040311M,MEMLIMIT SET BY:REGION=0

 BMC50471I UNLOAD PLUS FOR DB2--V11.01.00
 BMC50471I   NO MAINTENANCE TO REPORT
 BMC50471I DB2 UTILITIES COMMON CODE--V11.01.00
 BMC50471I   NO MAINTENANCE TO REPORT
 BMC50471I SOLUTION COMMON CODE--V11.01.00
 BMC50471I   MAINT: BPJ0661  BPJ0667  BPJ0671  BPJ0674  BPJ0675  BPJ0676  BPJ0682  BPJ0686  BPJ0689  BPJ0697
 BMC50471I BMCSORT ENGINE--V02.04.01
 BMC50471I   MAINT: BPJ0691
 BMC50471I BMC STATS API--V11.01.00
 BMC50471I   MAINT: BPU5409  BPU5534  BPU5674
 BMC50471I EXTENDED BUFFER MANAGER--V06.01.00
 BMC50471I   MAINT: BPE0401  BPE0403  BPE0405  BPE0407  BPE0410  BPE0412  BPE0416

 BMC50471I ANALYZE=(DB2STATS,NOLIMIT)              FORCE_RPT=NO                            SMAX=16
 BMC50471I CENTURY=(1950,2049)                     FORCE=NONE                              SMCORE=(0K,0K)
 BMC50471I CHANGE_CONSISTENT=NO                    HISTORY=YES                             SORTNUM=32
 BMC50471I CHANGE_QUIESCE=NO                       IBUFFS=25                               SQLDELAY=3
 BMC50471I CMAX=16                                 INLINE=NO                               SQLRETRY=100
 BMC50471I CMRATIO=50                              LOADDECP=NO                             TAPEDISP=DELETE
 BMC50471I CONSTRULES=BMC                          LOCKROW=YES                             TASKMAX=200%
 BMC50471I CURRENTDEGREE=NONE                      MAXP=5                                  UBUFFS=25
 BMC50471I DELFILES=YES                            MSGLEVEL=1                              UNLDMAX=200%
 BMC50471I DRNDELAY=1                              NULLCHAR=X'6F'                          UNLOADDN_ACTIVE=(YES,NO)
 BMC50471I DRNRETRY=255                            NULLTYPE=T1                             UNLOADDN=(SYSREC,SYSRED)
 BMC50471I DRNWAIT=NONE                            OPNDB2ID=YES                            USELRECL=NO
 BMC50471I DSPLOCKS=DRNFAIL                        PLAN=ADUQA                              UXSTATE=SUP
 BMC50471I EXCLDUMP=(X37,X22,X06)                  RECFM=AUTO                              WORKUNIT=SYSALLDA
 BMC50471I FILEREFDN=SYSREF                        ROWSETSZ=100                            ZIIP=ENABLED
 BMC50471I FILL=NO                                 SDUMP=YES                               ZONEDDECOVP=(C,D)
 BMC50471I FORCE_AT=(START,3)                      SHRLEVEL=REFERENCE


 BMC50471I TAPES=NONE

 BMC50470I OUTPUT   = SYSREC                             SYSRED                               SYSREF
 BMC50470I UNIT     = SYSALLDA                           SYSALLDA                             SYSALLDA
 BMC50470I VOLCNT   = 25                                 25                                   25
 BMC50470I GDGLIMIT = 5                                  5                                    5
 BMC50470I GDGEMPTY = NO                                 NO                                   NO
 BMC50470I GDGSCRAT = NO                                 NO                                   NO
 BMC50470I STORCLAS = NONE                               NONE                                 NONE
 BMC50470I DATACLAS = NONE                               NONE                                 NONE
 BMC50470I MGMTCLAS = NONE                               NONE                                 NONE
 BMC50470I UNITCNT  = 0                                  0                                    0
 BMC50470I SPACE    = CYL                                CYL                                  CYL
 BMC50470I PCTPRIM  = AUTO                               AUTO                                 AUTO
 BMC50470I MAXPRIM  = 0                                  0                                    0
 BMC50470I MAXSECD  = 0                                  0                                    0
 BMC50470I FILESZPCT  100                                100                                  100
 BMC50470I NBRSECD  = AUTO                               AUTO                                 AUTO
 BMC50470I DISKRETN = NONE                               NONE                                 NONE
 BMC50470I DISKEXPD = NONE                               NONE                                 NONE
 BMC50470I RETPD    = NONE                               NONE                                 NONE
 BMC50470I EXPDT    = 99000                              99000                                99000
 BMC50470I TRTCH    = NONE                               NONE                                 NONE
 BMC50470I DSNTYPE  = NONE                               NONE                                 PDS
 BMC50483I SYSREC     VOLUMES=NONE
 BMC50483I SYSRED     VOLUMES=NONE
 BMC50483I SYSREF     VOLUMES=NONE

 BMC50483I SYSREC     DSNAME=&USERID.&TYPE.S&SELNUM
 BMC50483I SYSRED     DSNAME=&USERID.&TYPE.S&SELNUM
 BMC50483I SYSREF     DSNAME=&USERID.BMC


 BMC50471I DB2 DSNHDECP MODULE SETTINGS:
 BMC50471I VERSION                 = 1110
 BMC50471I SUBSYSTEM DEFAULT       = DEHJ
 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)

 BMC50028I DB2 MODE = NFM
 BMC50471I BMC_BMCUTIL       ='BMCUTIL.CMN_BMCUTIL'
 BMC50471I BMC_BMCSYNC       ='BMCUTIL.CMN_BMCSYNC'
 BMC50471I BMC_BMCHIST       ='BMCUTIL.CMN_BMCHIST'
 BMC50471I BMC_BMCXCOPY      ='BMCUTIL.CMN_BMCXCOPY'


 BMC50102I *
 BMC50102I  UNLOAD LIMIT 10  INTERVAL 2
 BMC50102I         SHRLEVEL CHANGE CONSISTENT YES XBMID XBMB
 BMC50102I *
 BMC50102I       SELECT EMPL_LNAME, HIRE_DATE, DEPT_NO, SALARY_CODE
 BMC50102I            FROM BMC.EMPLS
 BMC50102I              WHERE SALARY_CODE ='H'
 BMC50102I *
 BMC50102I       SELECT EMPL_LNAME,EMPL_HIRE_DATE,EMPL_DEPT_NO,EMPL_SALARY_CODE
 BMC50102I            FROM BMC.RET_EMPLS
 BMC50102I              WHERE EMPL_SALARY_CODE ='S'
 BMC50102I *

 BMC51654I DIRECT YES IN EFFECT

 BMC51687I ESTIMATED ROWS FOR TABLE SPACE BMCEXDB.BMCEXATS PART 1 IS 8 FROM DB2STATS
 BMC51687I ESTIMATED ROWS FOR TABLE SPACE BMCEXDB.BMCEXATS PART 2 IS 5 FROM DB2STATS
 BMC51687I ESTIMATED ROWS FOR TABLE SPACE BMCEXDB.BMCEXATS PART 3 IS 5 FROM DB2STATS
 BMC51687I ESTIMATED ROWS FOR TABLE SPACE BMCEXDB.BMCEXATS PART 4 IS 2 FROM DB2STATS
 BMC51688I ESTIMATED ROWS FOR TABLE     BMC.EMPLS IS 20 FROM DB2STATS
 BMC51687I ESTIMATED ROWS FOR TABLE SPACE BMCEXDB.BMCEXBTS PART 0 IS 6240 FROM HURBA
 BMC51688I ESTIMATED ROWS FOR TABLE     BMC.RET_EMPLS IS 6240 FROM TABLESPACE
 BMC51688I ESTIMATED ROWS FOR TABLE     BMC.HRLY_EMPLS IS 6240 FROM TABLESPACE
 BMC51688I ESTIMATED ROWS FOR TABLE     BMC.SAL_EMPLS IS 6240 FROM TABLESPACE
 BMC51689I ESTIMATED ROWS FOR SELECT 1 IS 40
 BMC51689I ESTIMATED ROWS FOR SELECT 2 IS 10

 BMC50004I UTILINIT PHASE COMPLETE.  ELAPSED TIME = 00:00:00

 BMC51639I FOR DDNAME 'SYSREC01' DSN=ADU.EXAMPLE4.SYSREC01,DCB=(RECFM=VB,BLKSIZE=27993,LRECL=37)
 BMC51639I FOR DDNAME 'SYSREC02' DSN=ADU.EXAMPLE4.SYSREC02,DCB=(RECFM=VB,BLKSIZE=27993,LRECL=37)

 BMC50894I PAGE EXTERNALIZATION PROCESS STARTING AT  10/28/2013  13:02:42

 BMC50650I ESTABLISHING A POINT OF CONSISTENCY FOR:
 BMC50651I SPACE BMCEXDB.BMCEXATS PART(0) PSID(0002)
 BMC50651I SPACE BMCEXDB.BMCEXBTS PART(0) PSID(0007)

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

 BMC50041I 0: ZIIP  ENABLED (0) USING XBM SUBSYSTEM XBMB
 BMC50474I BELOW 16M = 8496K, ABOVE 16M = 1403296K, CPUS = 3
 BMC51701I MAX TASKS = 4, MAX PARTITIONS PER TASK = 1, SORTWKS PER TASK = 0, MAX OPEN PARTITIONS PER TASK = 1
 BMC50477I 4: PARTITION =    4, ROWS/KEYS = 2, I/O WAITS = 2 ,DDNAME = SYS00006
 BMC50478I 4: RDB LOCK WAITS = 0
 BMC50477I 3: PARTITION =    3, ROWS/KEYS = 5, I/O WAITS = 2 ,DDNAME = SYS00005
 BMC50478I 3: RDB LOCK WAITS = 0
 BMC50477I 2: PARTITION =    2, ROWS/KEYS = 5, I/O WAITS = 2 ,DDNAME = SYS00004
 BMC50478I 2: RDB LOCK WAITS = 0
 BMC50477I 1: PARTITION =    1, ROWS/KEYS = 8, I/O WAITS = 2 ,DDNAME = SYS00003
 BMC50478I 1: RDB LOCK WAITS = 0
 BMC51701I MAX TASKS = 1, MAX PARTITIONS PER TASK = 1, SORTWKS PER TASK = 0, MAX OPEN PARTITIONS PER TASK = 1
 BMC50477I 5: PARTITION =    0, ROWS/KEYS = 20, I/O WAITS = 2 ,DDNAME = SYS00007
 BMC50478I 5: RDB LOCK WAITS = 0
 BMC50476I DDNAME = SYSREC01, I/OS = 3, I/O WAITS = 3, RDB LOCK WAITS = 0
 BMC50476I DDNAME = SYSREC02, I/OS = 1, I/O WAITS = 1, RDB LOCK WAITS = 0
 BMC51671I UNLOAD STATISTICS:  2 ROWS PROCESSED FROM PARTITION 1
 BMC51686I UNLOADING OF DATASET 'DEHJCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A001' READ 3 PAGES
 BMC51671I UNLOAD STATISTICS:  1 ROWS PROCESSED FROM PARTITION 2
 BMC51686I UNLOADING OF DATASET 'DEHJCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A002' READ 3 PAGES
 BMC51671I UNLOAD STATISTICS:  2 ROWS PROCESSED FROM PARTITION 3
 BMC51686I UNLOADING OF DATASET 'DEHJCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A003' READ 3 PAGES
 BMC51671I UNLOAD STATISTICS:  0 ROWS PROCESSED FROM PARTITION 4
 BMC51686I UNLOADING OF DATASET 'DEHJCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A004' READ 3 PAGES
 BMC51672I UNLOAD STATISTICS:  5 ROWS PROCESSED FROM SPACE 'BMCEXDB.BMCEXATS', 15 NOT SELECTED, 0 DISCARDED
 BMC51686I UNLOADING OF DATASET 'DEHJCAT.DSNDBD.BMCEXDB.BMCEXBTS.I0001.A001' READ 3 PAGES
 BMC51670I UNLOAD STATISTICS:  4 ROWS PROCESSED FROM TABLE 'BMC.RET_EMPLS', 16 NOT SELECTED, 0 DISCARDED
 BMC51672I UNLOAD STATISTICS:  4 ROWS PROCESSED FROM SPACE 'BMCEXDB.BMCEXBTS', 16 NOT SELECTED, 0 DISCARDED
 BMC51674I UNLOAD STATISTICS:  5 RECORDS WRITTEN TO DDNAME 'SYSREC01'
 BMC51674I UNLOAD STATISTICS:  4 RECORDS WRITTEN TO DDNAME 'SYSREC02'
 BMC51675I UNLOAD STATISTICS:  0 RECORDS DISCARDED DUE TO ERRORS
 BMC50041I 0: ZIIP NOT ENABLED (0) USING XBM SUBSYSTEM XBMB
 BMC50277I XBM STATISTICS: DSN='DEHJCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A001   ', READS 4, HITS 0, WRITES 0, CACHE 0
 BMC50277I XBM STATISTICS: DSN='DEHJCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A002   ', READS 4, HITS 0, WRITES 0, CACHE 0
 BMC50277I XBM STATISTICS: DSN='DEHJCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A003   ', READS 4, HITS 0, WRITES 0, CACHE 0
 BMC50277I XBM STATISTICS: DSN='DEHJCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A004   ', READS 4, HITS 0, WRITES 0, CACHE 0
 BMC50277I XBM STATISTICS: DSN='DEHJCAT.DSNDBD.BMCEXDB.BMCEXBTS.I0001.A001   ', READS 99, HITS 0, WRITES 0, CACHE 0
 BMC50004I UNLOAD PHASE COMPLETE.  ELAPSED TIME = 00:00:00

 BMC50006I UTILITY EXECUTION COMPLETE, RETURN CODE = 0

 

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