Example 4 — Unloading while allowing read write access to the table space
Message 50041I indicates the status of zIIP processing. For this example, an SUF also known as XBM subsystem ID was specified for SHRLEVEL CHANGE processing. UNLOAD PLUS uses the same SUF also known as XBM 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 SUF (also known as XBM) to allow concurrent read and write access during the unload |
XBMID XBMDB2 | Identifies the SUF (also known as XBM) subsystem for using SUF (also known as XBM) 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:
//********************** ADUEX04 ************************************
//*******************************************************************
//****** Unloading while allowing READ/WRITE access to tablespace ***
//*******************************************************************
//* Replace "DB2SYS" by your DB2 subsystem name. *
//* Use your DB2 product install libraries for STEPLIBS : *
//* PRODUCT.LIBRARIES *
//* DB2.DSNEXIT *
//* DB2.DSNLOAD *
//*********************************************************************
//UNLOAD04 EXEC PGM=ADUUMAIN,REGION=0M,
// PARM=(DB2SYS,'ADUEX04','NEW ',,'MSGLEVEL(1)')
//*********************************************************************
//STEPLIB DD DISP=SHR,DSN=PRODUCT.LIBRARIES
// DD DSN=DB2.DSNEXIT,DISP=SHR
// DD DSN=DB2.DSNLOAD,DISP=SHR
//SYSIN DD *
*
UNLOAD LIMIT 10 INTERVAL 2
SHRLEVEL CHANGE CONSISTENT YES XBMID XBMDB2
*
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.EXAMPL04.SYSREC01,
// DISP=(,CATLG),SPACE=(TRK,(1,1)),UNIT=SYSDA
//SYSREC02 DD DSN=ADU.EXAMPL04.SYSREC02,
// DISP=(,CATLG),SPACE=(TRK,(1,1)),UNIT=SYSDA
//SYSPRINT DD DSN=ADU.EXAMPL04.SYSPRINT,
// DISP=(,CATLG),SPACE=(TRK,(1,1)),UNIT=SYSDA
SYSPRINT for example 4
The following figure shows the SYSPRINT for example 4:
(C) COPYRIGHT 1991 - 2022 BMC SOFTWARE, INC.
-BMC50001I UTILITY EXECUTION STARTING 2/15/2022 3:13:46 ...
BMC50002I UTILITY ID = 'ADUEX04'. DB2 SUBSYSTEM ID = 'DEMO'. OPTION MODULE = 'ADU$OPTS'.
BMC50471I z/OS 2.4.0,PID=HBB77C0,DFSMS FOR Z/OS=2.4.0,DB2=13.1.501
BMC50471I REGION=0M,BELOW 16M=8.5M,ABOVE 16M=1,006.6M,IEFUSI=NO,CPUs=7,GPs=5,zIIPs=2
BMC50471I MEMLIMIT=15.9E,AVAILABLE=15.9E,MEMLIMIT SET BY:REGION=0
BMC50471I SMFID=DB2B,JOBID=J0940231,JOB=ADUEX04,STEP=UNLOAD04,CPU=8561-615 (z15)/1.71,72.0G
0
BMC50471I UNLOAD 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 BPE0557 BPE0560
0
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 SSREPORT=REPORT_SWITCH
BMC50471I CONSTRULES=BMC LOCKROW=YES TAPEDISP=DELETE
BMC50471I CURRENTDEGREE=NONE MAXP=5 TASKMAX=200%
BMC50471I DELFILES=YES MSGLEVEL=1 UBUFFS=25
BMC50471I DRNDELAY=1 NULLCHAR=X'6F' UNLDMAX=200%
BMC50471I DRNRETRY=255 NULLTYPE=T1 UNLOADDN_ACTIVE=(YES,NO)
BMC50471I DRNWAIT=NONE OPNDB2ID=YES UNLOADDN=(SYSREC,SYSRED)
BMC50471I DSPLOCKS=DRNFAIL PLAN=ADU1310T USELRECL=NO
BMC50471I EXCLDUMP=(X37,X22,X06) RECFM=AUTO UXSTATE=SUP
BMC50471I FILEREFDN=SYSREF ROWSETSZ=100 WORKUNIT=SYSALLDA
BMC50471I FILL=NO SDUMP=YES ZIIP=ENABLED
BMC50471I FORCE_AT=(START,3) SHRLEVEL=REFERENCE ZONEDDECOVP=(C,D)
0
0
BMC50471I TAPES=NONE
0
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 LIBRARY
BMC50483I SYSREC VOLUMES=NONE
BMC50483I SYSRED VOLUMES=NONE
BMC50483I SYSREF VOLUMES=NONE
0
BMC50483I SYSREC DSNAME=&USERID.&TYPE.S&SELNUM
BMC50483I SYSRED DSNAME=&USERID.&TYPE.S&SELNUM
BMC50483I SYSREF DSNAME=&USERID.&TYPE.S&SELNUM
0
BMC50471I DB2 DSNHDECP MODULE SETTINGS:
BMC50471I VERSION = 1310
BMC50471I SUBSYSTEM DEFAULT = DEMO
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 (-06:00)
BMC50658I DB2 CURRENT FUNCTION LEVEL IS V13R1M501
BMC50659I DB2 CATALOG LEVEL IS V13R1M501
BMC50660I DB2 HIGHEST ACTIVATED FUNCTION LEVEL IS V13R1M501
BMC50661I DB2 CODE LEVEL IS V13R1M501
BMC50471I BMC_BMCUTIL ='BMCUTIL.CMN_BMCUTIL'
BMC50471I BMC_BMCSYNC ='BMCUTIL.CMN_BMCSYNC'
BMC50471I BMC_BMCHIST ='BMCUTIL.CMN_BMCHIST'
BMC50471I BMC_BMCXCOPY ='BMCUTIL.CMN_BMCXCOPY'
BMC50471I BMC_BMCSMARTSWITCH='BMCUTIL.CMN_BMCSWITCH'
BMC50471I BMC_BMCSSTRACKING ='BMCUTIL.CMN_BMCSSTRACK'
0
0
BMC50102I *
BMC50102I UNLOAD LIMIT 10 INTERVAL 2
BMC50102I SHRLEVEL CHANGE CONSISTENT YES XBMID XBMDB2
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 110 FROM HURBA
BMC51687I ESTIMATED ROWS FOR TABLE SPACE BMCEXDB.BMCEXATS PART 2 IS 110 FROM HURBA
BMC51687I ESTIMATED ROWS FOR TABLE SPACE BMCEXDB.BMCEXATS PART 3 IS 110 FROM HURBA
BMC51687I ESTIMATED ROWS FOR TABLE SPACE BMCEXDB.BMCEXATS PART 4 IS 110 FROM HURBA
BMC51688I ESTIMATED ROWS FOR TABLE BMC.EMPLS IS 440 FROM TABLESPACE
BMC51687I ESTIMATED ROWS FOR TABLE SPACE BMCEXDB.BMCEXBTS PART 0 IS 1296 FROM HURBA
BMC51688I ESTIMATED ROWS FOR TABLE BMC.RET_EMPLS IS 1296 FROM TABLESPACE
BMC51688I ESTIMATED ROWS FOR TABLE BMC.HRLY_EMPLS IS 1296 FROM TABLESPACE
BMC51688I ESTIMATED ROWS FOR TABLE BMC.SAL_EMPLS IS 1296 FROM TABLESPACE
BMC50004I UTILINIT PHASE COMPLETE. ELAPSED TIME = 00:00:00
BMC54000I SMARTSWITCH NOT SUPPORTED - NO BMC AMI UTILITIES VERSION FOUND
BMC54003I SMARTSWITCH RULE: FORCE_NO_SWITCH COMMENT: SMARTSWITCH NOT ACTIVATED, TABLE/ALIAS DOES NOT EXIST
BMC50199I UNLOAD PLUS PROCESSING CONTINUES
BMC51689I ESTIMATED ROWS FOR SELECT 1 IS 40
BMC51689I ESTIMATED ROWS FOR SELECT 2 IS 10
BMC51639I FOR DDNAME 'SYSREC01' DSN=ADU.EXAMPLE4.SYSREC01,DCB=(RECFM=VB,BLKSIZE=27998,LRECL=37)
BMC51639I FOR DDNAME 'SYSREC02' DSN=ADU.EXAMPLE4.SYSREC02,DCB=(RECFM=VB,BLKSIZE=27998,LRECL=37)
BMC50894I PAGE EXTERNALIZATION PROCESS STARTING AT 2/15/2022 3:13:46
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
BMC50877I POINT OF CONSISTENCY ESTABLISHED AT RBA/LRSN = 000000002345750F9000
BMC50041I 0: ZIIP ENABLED (0) USING XBM SUBSYSTEM XBMB
BMC50474I BELOW 16M = 8488K, ABOVE 16M = 1022368K, CPUS = 5
BMC51701I MAX TASKS = 4, MAX PARTITIONS PER TASK = 1, SORTWKS PER TASK = 0, MAX OPEN PARTITIONS PER TASK = 1
BMC50477I 2: PARTITION = 2, ROWS/KEYS = 5, I/O WAITS = 2 ,DDNAME = SYS00007
BMC50478I 2: RDB LOCK WAITS = 0
BMC50477I 3: PARTITION = 3, ROWS/KEYS = 5, I/O WAITS = 2 ,DDNAME = SYS00005
BMC50478I 3: RDB LOCK WAITS = 0
BMC50477I 1: PARTITION = 1, ROWS/KEYS = 8, I/O WAITS = 2 ,DDNAME = SYS00006
BMC50477I 4: PARTITION = 4, ROWS/KEYS = 2, I/O WAITS = 2 ,DDNAME = SYS00008
BMC50478I 1: RDB LOCK WAITS = 0
BMC50478I 4: 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 = SYS00009
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 'DEMOCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A001' READ 4 PAGES
BMC51671I UNLOAD STATISTICS: 1 ROWS PROCESSED FROM PARTITION 2
BMC51686I UNLOADING OF DATASET 'DEMOCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A002' READ 4 PAGES
BMC51671I UNLOAD STATISTICS: 2 ROWS PROCESSED FROM PARTITION 3
BMC51686I UNLOADING OF DATASET 'DEMOCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A003' READ 4 PAGES
BMC51671I UNLOAD STATISTICS: 0 ROWS PROCESSED FROM PARTITION 4
BMC51686I UNLOADING OF DATASET 'DEMOCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A004' READ 4 PAGES
BMC51672I UNLOAD STATISTICS: 5 ROWS PROCESSED FROM SPACE 'BMCEXDB.BMCEXATS', 15 NOT SELECTED, 0 DISCARDED
BMC51686I UNLOADING OF DATASET 'DEMOCAT.DSNDBD.BMCEXDB.BMCEXBTS.I0001.A001' READ 1706 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='DEMOCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A001 ', READS 5, HITS 0, WRITES 0, CACHE 0
BMC50277I XBM STATISTICS: DSN='DEMOCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A002 ', READS 5, HITS 0, WRITES 0, CACHE 0
BMC50277I XBM STATISTICS: DSN='DEMOCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A003 ', READS 5, HITS 0, WRITES 0, CACHE 0
BMC50277I XBM STATISTICS: DSN='DEMOCAT.DSNDBD.BMCEXDB.BMCEXATS.I0001.A004 ', READS 5, HITS 0, WRITES 0, CACHE 0
BMC50277I XBM STATISTICS: DSN='DEMOCAT.DSNDBD.BMCEXDB.BMCEXBTS.I0001.A001 ', READS 19, HITS 0, WRITES 0, CACHE 0
BMC50004I UNLOAD PHASE COMPLETE. ELAPSED TIME = 00:00:00
0BMC50006I UTILITY EXECUTION COMPLETE, RETURN CODE = 0