jcl slides
TRANSCRIPT
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Topic 1. Introduction
Topic Objectives
After attending this topic the student should be able to desire the need ofJCL and to state the different processes in JES
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WHAT IS JCL ?
JOB CONTROL LANGUAGE
L ANGUAGE WE USE TO
C ONTROL THE EXECUTION OF
J OB’S IN THE SYSTEM
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ACCOUNTING
OPERATING SYSTEMPROGRAM ?
PROGRAM 1 - 2 - 3
HARDWARE
DATASETS
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J C L STATEMENT
// JOB
// EXEC
// DD
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JCL STATEMENT HISTORY
DDDD
DDEXEC
JOB
EDIT-EDUCBE05.JOBLIB.CNTL(TESTJOB)-01.00--COLS007078
COMMAND----> SCROLL--> PAGE
00100 // JOB00200 // EXEC00300 // DD00400 // DD00500 // DD
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JES PROCESSORS
SYS1.PROCLIB
INPUT CONVERSION EXECUTION OUTPUTPRINT/ PUNCH
PURGE
SPOOL
INPUTQUEUE
JOBQUEUE
OUTPUTQUEUES
PRINTER
CARD PUNCH
LOCAL READER
INTERNALREADER
RJENJE
RJENJE
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JOB SELECTION
CHECK POINTJOB QUEUE
JOB CLASS14 Z145 C146 Z1078 T2001 A2002 B
MVS JES INIT 1JOBCLASSESA,Z,B,C
INIT 2 INIT 3
JOBCLASSESS,B,A
JOBCLASSESC,Z
SPOOL
CLASS A2001CLASS B2002CLASS C145
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PROGRAM MANAGEMENT - SEARCH SEQUENCE
JOB PACK AREA
JOBLIB - STEPLIB
FIXED LINKPACK AREA(FLPA)
MODIFIED LINKPACK AREA(MLPA)
PAGEABLE LINK PACK AREA(PLPA)
SYS1.LINKLIB(LNKLST xx)
ABEND 806
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Topic 2. Job Control Language
Objectives
Upon completion of this unit the student should be able to :
* Demonstrate an understanding of the functions of specific parameters that can be coded on the JOB,EXEC, and DD statements.* Correct common JCL syntax and usage errors.* State the difference between DD DATA and DD.* Identify valid dataset name.* Code DD statements using specified information.
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MVS / ESA JCL REFERENCE
MVSENERPRISE SYSTEM
ARCHITECT.
JCL
REFERENCE
GC28 - 1654
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JCL PARAMETER FIELD
`//JNAME////STEP1//SYSIN//SYSPRINT
JOB
EXECDDDD
(ACCT-NR,ACCT-INFO), ‘PRG NAME’,NOTIFY=USERIDX THIS IS A CONT.CARDPGM=TESTDSN=(USERIDX.EDUC.CNTL)SYSOUT = A
IBENTIFIER
NAME FIELDOPERATION PARAMETER FIELD
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IDENFIER FIELD
// JCL
// DELIMITER OR JES2 CONTROL STATEMENTS
// COMMENT OR JES3 CONTROL STATEMENTS
COL 1
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NAME FIELD
//TSOIOXXA JOB ………………
//#STEPA EXEC ………………
//INDATA DD……………...
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OPERATION FIELD
// TSOIOXXA JOB …………….
//# STEPA EXEC ……………..
//INDATA DD ………………
//INTEST IF
//LIB JCLLIB
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PARAMETER FIELD
// RUN1 JOB D69A , DOE , MSGCLASS = S
//ST1 EXEC PGM = ADVJCL
//INDD DD DSN = JCL.CLASS,DISP = SHR
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COMMENT FIELD
// ST1 EXEC PGM = ADVJCL STEP1
//INDD DD DSN = JCL.CLASS, IN DATA
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CONTINUATION OF STATEMENTS
POS
1 71
//NAME OPERATION PARAMETER,
// PARAMETER , PARAMETER
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//SYSUT1 DD DSN = BE05MST.MY.DATA,DISP = (NEW,CATLG,CATLG),// DCB=(LRECL=80, BLKSIZE=3120, RECFM=FB) VALID
//SYSUT1 DD DSN=BE05MST.MY.DATA ,DISP=(NEW,CATLG,CATLG), DCB=(LRECL=80,BLKSIZE=3120,RECFM=FB) VALID
//SYSUT1 DD DSN=BE05MST.MY.DATA,DISP=(NEW,CATLG,CATLG) DCB=(LRECL=80,BLKSIZE=3120,RECFM=FB) NOTVALID
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CONTINUATION THE COMMENT FIELD
POS.
1 2 71 72
//ST1 EXEC BJCL THIS STMNT C
// CALLS THE BASIC JCL
//* PROCEDURE
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POSITIONAL PARAMETERS
//NAME OPERATION P1 , P2 , P3 , K1 = A
//NAME OPERATION , P2 , K1 = A
//NAME OPERATION P1 , K1 = A , K2 = B
//NAME OPERATION K1 = A , K3 = C , K2 = B
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KEYWORD PARAMETERS
//NAME OPERATION K1 = A , K2 = B , K3 = C
//NAME OPERATION P1 , K2 = B
//NAME OPERATION , P2 , K3 = C , K1 = A
//NAME OPERATION P1 , P2
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POSITIONAL AND KEYWORD SUBPARAMETERS
DISP = OLD
DISP = (NEW , KEEP , KEEP )
DISP = ( , KEEP , KEEP)
DCB = (RECFM = FB , LRECL = 80)
DCB = (LRECL = 80 , RECFM = FB )
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JOB STATEMENT
/ / JOBNAME JOB . . . . .
ACCT FIELD CLASS
PGMER NAME NOTIFY MSG LEVEL TYPRUN MSG CLASS PRTY COND RESTART USER REGION
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POSITIONAL PARAMETERS ON THE JOB STMNT.
// RUNA JOB DEPT6 9 A , DOE , . . . . .
// RUNB JOB ‘ D 6 9 ,B 2 ‘,’ J DOE ‘, . . . . .
// RUNC JOB (‘ D/ 30 ‘, B 62) , JDOE , . . . . .
// RUND JOB DEPT 6 9 , ‘ MURTHY.D.SINGAM‘, . . . . .
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KEYWORD PARAMETERS ON THE JOB STMNT.
// RUNA JOB 3 MACH 369AC56W , DAVIS ,
// MSGLEVEL = (1 ,1) , MSGCLASS = S ,
// CLASS = E , NOTIFY = TSOIO50 ,
// TYPRUN = SCAN
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RESTART PARAMETER
S T E P 1
S T E P 2
S T E P 3
S T E P 4
RESTART
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JOB ENTRY SUBSYSTEM
E
J S
2
3
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JES 2 CONTROL STATEMENTS
$ COMMAND OUTPUT SIGNOFF
JOBPARM PRIORITY SIGNON
MESSAGE ROUTE XEQ
NETACCT SETUP XMIT
NOTIFY
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// [ name ] COMMAND ‘ command command - operand ‘
//C1 COMMAND ‘ S RMT1 ‘
//C2 COMMAND ‘ SEND ‘ ‘ THE COMPILE STEP IS NOW COMPLETE ‘ ‘, USER = BE 05 ‘
7 1 16
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JES 3 CONTROL STATEMENTS
DATASET NETACCT
ENDDATASET OPERATOR
ENDPROCESS PAUSE
FORMAT PROCESS
MAIN ROUTE
NET SIGNOFF
SIGNON
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//RUN1 JOB 3MACHE369AC56W, ‘ MURTHY’ ,NOTIFY=TSOISDG,// MSGCLASS=A,CLASS=A,MSGLEVEL=(1,1)/*ROUTE PRINT RMT86/*ROUTE PRINT DALVM1. DEVISDG//STEP1 EXEC PGM=IEBGENER//SYSPRINT DD SYSOUT=*//SYSUT1 DD DSN=TSO1023.JCLERRS.CNTL(PROBLEM1),DISP=SHR//SYSUT2 DD SYSOUT=*//SYSIN DD * SPLIT SCREEN
JES JOB LOG -----SYSTEM K158 ----NOD11.53.43 JOB 9019 IEF4521 JOBFAIL JOB NOT RUN --JCL ERROR------------- JES2 JOB STATISTICS --------- 9 CARDS READ 15 SYSOUT PRINT RECORDS 0 SYSOUT OUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0. 00 MINUTES EXEXCUTION TIME 1 //RUN1 JOB 3MACHE369AC56W, ‘MURTHY SD’,NOTIFY=TSOISDG, // MSGCLASS=A,CLAS=A,MSGLEVEL=(1,1) ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 2 //STEP1 EXEC PGM=IEBGENER 3 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOIO23.JCLERRS.CNTL(PROBLEM1),DISP=SHR 5 //SYSUT2 DD SYSOUT=* 6 //SYSIN DD * STMT NO.MESSAGE 1 IEF6301 UNIDENTIFIED KEYWORD CLAS
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JES2 JOB LOG ----- SYSTEM K158 ----- NOD
14.13.45 JOB 9432 IEF4521 RUN2 JOB NOT RUN - JCL ERROR14.13.45 JOB 9432 $HASP396 RUN2 TERMINATED------------------------- JES2 JOB STATISTICS -------------------------------09 DEC 85 JOB EXECUTION DATE 10 CARDS READ 24 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KYBTES 0.00 MINUTES EXECUTION TIME 1 //RUN2 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, // MSGLEVEL=(1,2),NOTIFY=TSOISDG ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 2 //STEP10 EXEC PGM=IEBGENER 3 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOISDG.TEST.DATA(BASE),DISP=SHR 5 //SYSUT2 DD DSN=TSOISDG.NEW.DATA,DISP=(CATLG,DELETE), // SPACE=(TRK(1,1),RLSE), VOL=SER=EDPAK5 8 //SYSIN NO. MESSAGE
1 IEF6431 UNIDENTIFIED POSITIONSL PARAMETER IN THE MSGLEVEL FIELD
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JES2 JOB LOG -------- SYSTEM K158 ----- NOD
11.54.49 JOB 9024 IEF4521 RUN3 JOB NOT RUN --- JCL ERROR11.54.49 JOB 9024 $HASP396 RUN3 TERMINATED------------------------ JES2 JOB STATISTICS ------------------------09 DEC 85 JOB EXECUTION DATE 8 CARDS READ 22 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXEXCUTION TIME 1 //RUN3 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 2 //STEP1 EXEC PGM=IEBGENER 3 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOIO23.JCLERRS.CNTL(PROBLEM1),DISP+SHR 5 //SYSUT2 DD SYSOUT=* STMT NO. MESSAGE
1 IEF6401 EXCESSIVE NUMBER OF POSITIONAL PARAMETERS ON THE JOB STATEMENTS.
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JES2 JOB LOG -----------SYSTEM K158 ---- NOD
11.55.43 JOB 9026 IEF4521 JOBFAIL JOB NOT RUN ---- JCL ERROR-------------------JES2 JOB STATISTICS------------------------------------------- 8 CARDS READ 14 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXECUTION TIME 1 //RUN4 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, // MSGLEVEL(1,2) ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 2 //STEP1 EXEC PGM=IEBGENER 3 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOIO23.JCLERRS.CNTL(PROBLEM1),DISP=SHR 5 //SYSUT2 DD SYSOUT=* 6 //SYSIN DD * STMT NO. MESSAGE
1 IEF6321 FORMAT ERROR IN THE MSGCLASS FIELD
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EXEC STATEMENT
// STEPNAME EXEC . . . . .
PGM = CONDPROC = DPRTYPROCNAME = DYNAMNBR PARM PERFORM RD ACCT REGION ADDRSPC TIME
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POSITIONAL PARAMETERS ON THE EXEC STMNT
// STEPNAME EXEC PGM = IEBGENER
// STEPNAME EXEC PROC = BASICJCL
// STEPNAME EXEC BASICJCL
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KEYWORD PARAMETERS ON THE EXEC STMNT.
//RUNA JOB . . . . . . . .
//STEP 2 EXEC PGM = TEST ,
// COND = (4 , EQ , STEP 1 ) , REGION = 1 0M
// TIME = ( 30. 00 ) , PERFORM = 60 , PARM = T1 ,
// DPRTY = ( 15 , 15 ) , ACCT = ( acct info ……….) ,
// DYNAMNBR = 10, RD = NC , ADDRSPC = REAL
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TIME PARAMETER
TIME [ . PROCSTEPNAME ] = { ( [ MINUTES] [ , SECONDS])}
{ 1440 } { NOLIMIT }
{ MAXIMUM }
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TIME PARAMETER
// IF [ ( ] relational - expression [ ) ] THEN . . action when relational - expression is true
// [ name] ELSE . . action when relational - expression is false .
// [ name] ENDIF
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TIME PARAMETER
//BEO5JOB JOB ………………….
//STEP0 EXEC PGM = UPDATE
//STEP1 EXEC PGM = VALIDATE
//IFTEST IF (STEP0 . RC>4 & STEP1 .RC > 20) THEN//STEPA EXEC PGM = . . . . .// ELSE //STEPB EXEC PGM = ……..//IFTEST ENDIF
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Operators on IF/THEN/ELSE/ENDIF Statement Construct
OPERATOR OPERATION ORDER OF EVALUATION
NOT operator:NOT or not first
Comparison operators:GT or > Greater than secondLT or < Less than secondNG or = Not greater than secondNL or = Not less than secondEQ or = Equal secondNE or = Not equal secondGE or >= Greater than or equal to secondLE or <= Less than or equal to second
Logical operators :AND or & AND thirdOR or I OR third
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CONDITIONAL EXECUTION OF JOB STEPS
COND =TRUE
FALSE
BYPASS
EXECUTE
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VALID COMPARISON OPERATORS for COND = parm.
GOLD
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JES2 JOB LOG --------SYSTEM K158 ----- NOD
14.21.40 JOB 9460 IEF4521 RUN6 JOB NOT RUN --- JCL ERROR14.21.40 JOB 9460 $HASP396 RUN6 TERMINATED-----------------JES2 JOB STATISTICS ----------------------------09 DEC 85 JOB EXECUTION DATE 10 CARDS READ 24 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXECUTION TIME 1 //RUN6 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, // MSGLEVEL=(1,1),NOTIFY=TSOISDG ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 2 //1 EXEC PGM=IEBGENER 3 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOISDG.TEST.DATA(BASE),DISP=SHR 5 //SYSUT2 DD DSN=TSOISDG.NEW.DATA,DISP=(,CATLG,DELETE), // SPACE=(TRK,(1,1),RLSE),VOL=SER=EDPAKS5 6 //SYSIN DD * STMT NO. MESSAGE
2 IEF6471 FIRST CHARACTER OF NAME NOT ALPHABETIC OR NOT NATIONAL
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JES2 JOB LOG ----- SYSTEM K158 ----- NOD
11.57.56 JOB 9033 IEF4521 JOBFAIL JOB NOT RUN -- JCL ERROR--------------- JES2 JOB STATISTICS ------------------------- 9 CARDS READ 16 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXECUTION TIME 1 //RUN7 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, MSGLEVEL(1,1) 2 // MSGCLASS=S,NOTIFY=TSOISDG ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 3 //STEP1 EXEC PGM=IEBGENER 4 //SYSPRINT DD SYSOUT=* 5 //SYSUT1 DD DSN=TSOIO23.JCLERRS.CNTL(PROBLEM1),DISP=SHR 6 //SYSUT2 DD SYSOUT=* 7 //SYSIN DD * STMT NO. MESSAGES
1 IEF6321 FORMAT ERROR IN THE MSGCLASS FIELD 2 IEF6051 UNIDENTIFIED OPERATION FIELD
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12.01.04 JOB 9043 IEF4521 JOBFAIL JOB NOT RUN -- JCL ERROR--------------- JES2 JOB STATISTICS ------------------------- 14 CARDS READ 21 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXECUTION TIME 1 //TSOISDGA JOB 3MACHE369AC56W, // TSOISDG, **JOB STATEMENT GENERATED BY SUMMIT** // NOTIFY=TSOISDG ,CLASS=A,USER=TSOISDG, // PASSWORD= , // MSGLEVEL=(1,1) 2 //RUN9 CLASS=A, JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, 3 // MSGLEVEL=(1,1),MSGCLASS=S,NOTIFY=TSOISDG ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 4 //STEP1 EXEC PGM=IEBGENER 5 //SYSPRINT DD SYSOUT=* 6 //SYSUT1 DD DSN=TSOIO23.JCLERRS.CNTL(PROBLEM1),DISP=SHR 7 //SYSUT2 DD SYSOUT=* 8 //SYSIN DD * STMT NO. MESSAGES
2 IEF6051 UNIDENTIFIED OPERATION FIELD 3 IEF6051 UNIDENTIFIED OPERATION FIELD
JES2 JOB LOG ----- SYTEM K158 ----NOD
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12.02.30 JOB 9046 IEF4521 RUN10 JOB NOT RUN -- JCL ERROR--------------- JES2 JOB STATISTICS ------------------------- 9 CARDS READ 16 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXECUTION TIME 1 //RUN10 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, // MSGLEVEL=(1,1),NOTIFY=TSOISDG ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 2 //STEP1 EXEC PGM=IEBGENER 3 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOIO23.JCLERRS.CNTL(PROBLEM1),DISP=SHR 5 //SYSUT2 DD SYSOUT=* 6 //SYSIN DD * STMT NO. MESSAGES
2 IEF6051 UNIDENTIFIED OPERATION FIELD 6 IEF6051 JOB HAS NO STEPS
JES2 JOB LOG -----SYSTEM K158 -----NOD
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12.02.50 JOB 9047 IEF4521 RUN11 JOB NOT RUN -- JCL ERROR--------------- JES2 JOB STATISTICS ------------------------- 9 CARDS READ 15 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXECUTION TIME 1 //RUN11 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, // MSGLEVEL=(1,1),NOTIFY=TSOISDG ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 2 //STEP1 EXEC PGM=IEBGENER 3 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOIO23.JCLERRS.CNTL(PROBLEM1),DISP=SHR 5 //SYSUT2 DD SYSOUT=* 6 //SYSIN DD * STMT NO. MESSAGES
2 IEF6051 INCORRECT USE OF MINUS ON THE EXEC STATEMENT
JES2 JOB LOG ----- SYSTEM K158 --- NOD
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12.04.05 JOB 9049 IEF4521 RUN12 JOB NOT RUN -- JCL ERROR--------------- JES2 JOB STATISTICS ------------------------- 9 CARDS READ 16 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXECUTION TIME 1 //RUN12 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, // MSGLEVEL=(1,1),NOTIFY=TSOISDG ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 2 //STEP1 EXEC PGM=IEBGENER 3 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOIO23.JCLERRS.CNTL(PROBLEM1),DISP=SHR 5 //SYSUT2 DD SYSOUT=* 6 //SYSIN DD * STMT NO. MESSAGE
2 IEF6051 UNIDENTIFIED OPERATION FIELD 6 IEF6071 JOB HAS NO STEPS
JES2 JOB LOG -------- SYSTEM K158 ---- NOD
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14.21.59 JOB 9462 IEF4521 RUN13 JOB NOT RUN -- JCL ERROR14.21.59 JOB 9462 $HASP396 RUN13 TERMINATED--------------- JES2 JOB STATISTICS ------------------------ 09 DEC 85 JOB EXECUTION DATE- 10 CARDS READ 24 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXECUTION TIME 1 //RUN13 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, // MSGLEVEL=(1,1),NOTIFY=TSOISDG ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 2 //EXAMPLE13 EXEC PGM=IEBGENER 3 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOISDG.TEST.DATA(BASE),DISP=SHR 5 //SYSUT2 DD DSN=TSOISDG.NEW.DATA,DISP=(,CATLG,DELETE), // SPACE=(TRK,(1,1),RLSE),VOL=SER=EDPAK5 6 //SYSIN DD * STMT NO. MESSAGES
2 IEF6421 EXCESSIVE PARAMETER LENGTH ON THE EXEC STATEMENT
JES2 JOB LOG ---- SYSTEM K158 --- NOD
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12.07.01 JOB 9059 IEF4521 RUN16 JOB NOT RUN -- JCL ERROR -------------- JES2 JOB STATISTICS ------------------------ 9 CARDS READ 15 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXECUTION TIME 1 //RUN16 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, // MSGLEVEL=(1,1),NOTIFY=TSOISDG ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG 2 //SYSIN DD * GENERATED STATEMENT 3 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOIO23.JCLERRS.CNTL(PROBLEM),DISP=SHR 5 //SYSUT2 DD SYSOUT=* 6 //SYSIN DD * STMT NO. MESSAGE
2 IEF6071 JOB HAS NO STEPS
JES2 JOB LOG ------ SYSTEM K158 --- NOD
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2.08.49 JOB 9065 IEF4521 RUN18 JOB NOT RUN -- JCL ERROR -------------- JES2 JOB STATISTICS ------------------------ 9 CARDS READ 15 SYSOUT PRINT RECORDS 0 SYSOUT PUNCH RECORDS 1 SYSOUT SPOOL KBYTES 0.00 MINUTES EXECUTION TIME 1 //RUN18 JOB 3MACHE369AC56W,’MURTHY SD’,MSGCLASS=A, // MSGLEVEL=(1,1),NOTIFY=TSOISDG ***ROUTE PRINT RMT86 ***ROUTE PRINT DALVM1.DEVISDG ***STEP10 EXEC PGM=IEBGENER 2 //SYSPRINT DD SYSOUT=* 4 //SYSUT1 DD DSN=TSOIO23.JCLERRS.CNTL(PROBLEM),DISP=SHR 5 //SYSUT2 DD SYSOUT=* 6 //SYSIN DD * STMT NO. MESSAGES
2 IEF6071 JOB HAS NO STEPS
JES2 JOB LOG ----- SYSTEM K158 --- NOD
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DD Statement
Subtopic objectives
After attending this subtopic the student should be able to :
* Code a DD statement and use different parameters* Recognise when different parameters are needed* Find errors in a DD statement
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DD ( Data Definition ) STATEMENT
/ / DDNAME DD . . . .
* DSN VOL DCBDATA DISP SPACE SYSOUT
DUMMY UNIT LABEL
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DESCRIBING THE DATA
USERPROGRAM
DDNAME= DD1
VTOC
D C B (DATA CONTROL; BLOCK)
// JOB/ / EXEC/ / DD1 DD DSN=/ ./ DCB =/ / DD2 DD
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POSITIONAL PARAMETERS ON THE DD STMNT.
/ / INDATA DD * DATA
, DLM =
instream data for input
/* OR // * OR // ( end of data )
or two character delimiter
// INDATA DD DUMMY
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KEYWORD PARAMETERS ON THE DD STATEMENT
/ / SYSUT 2 DD DSN = OUTTAPE ,
/ / DISP = ( , CATLG ) , UNIT = TAPE ,
/ / VOL = SER = TAPE 01 ,
/ / LABEL = ( , NSL , RETPD = 99001 )
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KEYWORD PARAMETERS ON THE DD STATEMENT
/ / SYSUT 2 DD DSN = OUTDATA
/ / DISP = ( , CATLG ) , UNIT = SYSDA ,
/ / VOL = SER = EDPAK 5 , SPACE = (TRK ,1 ) ,
/ / DCB = (LRECL = 80 , BLKSIZE = 800 ) ,
/ / RECFM = FB
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DDNAME FIELD ON THE DD STATEMENT
/ / PRINT DD DSN = JCLCLASS
/ / DD 1 DD DSN = TESTDATA
/ / SYSUT 2 DD DSN = BASIC . JCL 85
/ / DD DSN = BASIC . JCL 86
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DEFINITION OF CONCATENATION
C
O
N
C
A
T
E
N
AT
I
O
N
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RULES OF CONCATENATION
RULES
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RULES FOR CODING CONCATENATION
EDUC . C
EDUC . A EDUC . B
EDUC.A EDUC.B EDUC.C
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SIMPLE DATA SET NAME
DSN = A
DSNAME = # X 2
DSN = $ A B C
DSN = A 1 2 3 4 5 6 7 8 CHARS
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QUALIFIED DATA SET NAME
DSNAME = TSOIO99 . DATA
DSN = ‘ ENTRY . OPED ‘ ‘S . DAY ‘
DSN = TSOI O 99 . MORE .OPED . DATA
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PATITIONED DATA SET ( PDS ) NAME
DSN = ENTRY ( TEST 2 )
DSN = TSO I O 99 . DATA ( MEM 1) 44 CHAR. 8 CHAR.
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TEMPORARY DATA SET NAME
DSN = & & SORTOUT
DSN = & & TEMP ( MEM 1 ) 8.CHARS. 8.CHARS.
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DEFINITION OF REFERBACKS
/ / TSOIO XX JOB
/ / STEP 1 EXEC
/ / OUT 2 DD DSN =
/ / STEP 5 EXEC
/ / NEWOUT DD DSN = *. STEP 1 . OUT 2
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DATA SET REFERENCED FROM A PREVIOUS STEP
/ / STEP 2 DD DSN = * . STEP 1 . DD4 ,
/ / DISP = ( OLD , DELETE )
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DISP PARAMETER ON THE DD STATEMENT
INITIAL NORMAL ABNORMAL
DISP = ( NEW , DELETE , DELETE)
OLD , KEEP , KEEP
SHR , PASS , CATLG
MOD , CATLG , UNCATLG , UNCATLG
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UNIT PARAMETER
UNIT = ( DEV ADDRESS , UNIT COUNT , DEFER )
DEV TYPE
GROUP NAME
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VOLUME OR VOL PARAMETER
VOL = SER = EDPAK 5
VOL = REF = DSNAME
VOL = REF = * . DDNAME
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SPACE PARAMETER
SPACE = ( TRK , ( pqty , sqty , dir ) , RLSE)
CYL
blklgth
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VOLUME LABEL ON TAPE
STANDARD LABEL
TAPEMARK
TAPEMARK
EOF 2 EOF 1 TAPEMARK
DATASET 2 HDR2 HDR1
TAPEMARK
EOF 2EOF 1TAPE MARKDATASET 1
TAPEMARK
HDR 2 HDR 1 VOLUME LABEL
NOLABEL
DATASET 1TAPEMARKDATASET 2TA
PEMARK
TAPE MARK
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LABEL PARAMETER
LABEL = ( SEQ # , SL , RETPD = nnnn )
, SUL , EXPDT = yyddd)
, AL , AUL
, NSL , NL
, BLP , LTM
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DCB PARAMETER
DCB = ( RECFM = RECORD FORMAT ,
LRECL = LOGICAL RECORD LENGTH ,
BLKSIZE = LGTH OF BLK )
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SYSOUT PARAMETER
SYSOUT = ( CLASS NAME )
/ /SYSUT 2 DD SYSOUT = A
/ /SYSPRINT DD SYSOUT = *
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PARAMETERS FOR EXISTING CATALOGED DATA SET
/ /DDNAME DD . . . .
DSN =
DISP =
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PARAMETERS FOR EXISTING NONCATALOGED DATA SET
/ /DDNAME DD . . . . .
DSN =
DISP = VOL =
UNIT =
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PARAMETERS FOR CREATING A DATA SET
/ /DDNAME DD . . . .
DSN = VOL =
DISP = SPACE =
UNIT DCB =
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SPECIAL DDNAMES
/ /JOBLIB
/ /STEPLIB
/ /SYSABEND
/ /SYSUDUMP
/ /SYSCHK
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Topic 3. IBM Utilities
ObjectivesUpon completion of this unit the student should be able to :* Understand what an IBM Utility Program is and how they are used* List the three classes of IBM Utility Programs* State what two types of statements utilities use.*Describe the general format and code statements for various utility prog.*Identify and code the JCL required for various utility programs.* Understand how to use the IBM Utilities Manual.* Code a utility program to perform the following. - List the VTOC for a data set on DASD. - List information about a partitioned data set on DASD. - Scratch and uncatalog a data set on DASD. - Copy a data set from one device to another. - Print a data set.
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MVS / ESADATA ADMINISTRATION
U T I L I T I E S
M A
N
U
A
L
SC26 - 4599
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WHAT IS A
UTILITY
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SYSTEM UTILITY DATA SET UTILITYPROGRAMS PROGRAMS
• IEHATLAS
• IEHINITT
• IEHLIST
• IEHMOVE
• IEHPROGM
• IFHSTATR
• IEBCOMPR
• I EBCOPY
• IEBDG
• IEBEDIT
• IEBGENER
• IEBIMAGE
• IEBISAM
• IEBPTPCH
• IEBUPDTE
INDEPENDENT UTILITY PROGRAMS• ICAPRTBL
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UTILITY CONTROL STATEMENT CODING RULES
/ /STEPNAME EXEC PGM =
/ /SYSIN DD *
(COL.4) (COL.7 2)
LISTVTOC DSNAME = dsname , X VOL = device = serial , FORMAT/* (COL.16)
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IEHPROGM PROGRAM
• SCRATCHES RENAMES CATALOGS
• UNCATALOGS
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JCL STATEMENTS for IEHPROGM
/ /JOBNAME JOB/ /STEPNAME EXEC PGM = IEHPROGM
/ /SYSPRINT DD SYSOUT = */ /ANYNAME 1 DD UNIT = device ,
/ / VOL = SER = serial ., DISP = SHR/ /ANYNAME 2 DD UNIT = ,VOL = ,DISP =
/ /SYSIN DD * UTILITY CONTROL STATEMENT/*
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UTILITY CONTROL STATEMENTS for IEHPROGM
SCRATCH DSNAME = dsname , X
VOL = device = serial
UNCATLG DSNAME = dsname
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IEHLIST PROGRAM
• LIST CATALOG
• LIST PDS
• LIST VTOC
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JCL STATEMENTS for IEHLIST
/ /JOBNAME JOB/ /STEPNAME EXEC PGM = IEHLIST
/ /SYSPRINT DD SYSOUT = */ /ANYNAME 1 DD UNIT = device ,/ / VOL = SER = serial , DISP =SHR/ /ANYNAME 2 DD UNIT = ,VOL = ,DISP =/ / SYSIN DD *
UTILITY CONTROL STATEMENT/*
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UTILITY CONTROL STATEMENTS for IEHLIST
LISTPDS DSNAME = dsname , X
VOL = device = serial , format
LISTVTOC DSNAME = dsname , X
VOL = device = serial , format
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IEBGENER PROGRAM
IEBGENER
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JCL STATEMENTS for IEBGENER
/ /JOBNAME JOB/ /STEPNAME EXEC PGM = IEBGENER
/ /SYSPRINT DD SYSOUT = */ /SYSUT 1 DD ………….
/ /SYSUT 2 DD …………./ /SYSIN DD *
UTILITY CONTROL STATEMENT
/*
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CODING the SYSUT 1 STATEMENTS
/ /SYSUT 1 DD ( card input )
/ /SYSUT 1 DD DSN = dsname , DISP = SHR
/ /SYSUT 1 DD DSN = dsname (member) ,
/ / DISP = SHR
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CODING the SYSUT 2 STATEMENTS
/ /SYSUT 2 DD SYSOUT = P, DCB = BLKSIZE = 80
/ /SYSUT 2 DD SYSOUT = *, DCB = BLKSIZE = 133
/ /SYSUT 2 DD DSN = dsname , DISP = . . . . . .
/ /SYSUT 2 DD DSN = dsname ( member ) ,DISP = . . . . . .
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UTILITY CONTROL STATEMENTS for IEBGENER
GENERATE MAXNAME = n
MEMBER NAME = name
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IEBCOPY
DIRECTORY M1 M2
MEMBER 1
MEMBER 2
DIRECTORY M1 M2
MEMBER 1
MEMBER 2
PDS 1 PDS 2
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IEBCOPY
COPY
ALTERMOD
COPYMOD
SELECT
EXCLUDE
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IEBCOMPR
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IEHMOVE
COPY
MOVE
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IEHMOVE UTILITY CONTROL STATEMENTS
COPY
MOVE
SELECT
EXCLUDE
INCLUDE
REPLACE
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Topic 4 . VSAM Concepts
Objectives
Upon completion of this unit the student should be able to :
* Discuss the similarities and differences between the four types of VSAM data sets* Define, Delete, Copy, and Print VSAM data sets using AMS(IDCAMS).* Obtain catalog information about VSAM data sets.
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VSAM
?? ?
?
? ? ?
?
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WHY USE VSAM
VSAM
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WHEN TO USE VSAM
DATA
BASE
MASTERCATALOG
USERDATA
USERCATALOG
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VSAM MANAGES . . . . .
CATALOGS DATA
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CATALOGS
DATASET NAME
RECORD SIZE
FREE SPACE
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TYPES OF VSAM DATASETS
KSDS ESDS RRDS LINEAR
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KEY - SEQUENCED DATA SETS
KSDS
MURTHY SD NAME
174167
SERIAL
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INSERTING RECORDS INTO A KSDS
MURTHY SD SINGH KL
SACHIN T 396437
174167 746123
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ENTRY - SEQUENCED DATA SETS
ESDS
R 1 R 2
R 3
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RELATIVE RECORD DATA SETS
R R D S
1 2 3 ( E ) 4
* E = EMPTY SLOT
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LINEAR DATA SET
LINEAR DATASET
DATA OBJECT
VITUALSTORAGE
MAP
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COTROL INTERVALS
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FIELDS IN CONTROL INTERVALS
R1 R 2 R n FREE SPACE
RDFn
RDF1
RDF2
CIDF
R CD IF D F
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ADDING RECORDS IN A CONTROL INTERVAL
R 2
R 1 FREE SPACE
RDF1
CIDF
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MORE ON CONTROL INTERVALS
R 1 R 2 FS RDF2
RDF1
CIDF
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ANSWER TO QUIZ
R 1 R 2 R 3 R 4 F S
R R CD D IF F D2 1 F
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CONTROL INTERVAL SPLITR 5 R 6
R1 R2 R3 R4 FSRDF2
RDF1
CIDF
R1 R2 R3 FSRDF2
RDF1
CIDF
R4 R5 R6 FSRD RD CIF2 F1 DF
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CONTROL AREAS
CONTROL INTERVAL
CONTROL INTERVAL
CONTROL INTERVAL
CONTROL INTERVAL
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THE VSAM UTILITY
ACCESS METHOD SERVICES
IDCAMS
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INVOKING IDCAMS
//stepname EXEC PGM=IDCAMS
//SYSPRINT DD SYSOUT=A
//ddname DD DSN=clustername
//SYSIN DD *
AMS statements
/*
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CONTROL STATEMENTS
COL 2
STATEMENT - STATEMENT
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DEFINING A CLUSTER
DATA
INDEX
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CLUSTER INFORMATION
DEFINE - CLUSTER -
(NAME (BE05JCL.FILE) - VOLUMES (VOL001) -
TRACKS (1,1) -
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DATA COMPONENT
DATA -
(NAME (BE05JCL.FILE.DATA) - RECORDSIZE (200,200) -
KEYS (10 ,5) -
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INDEX COMPONENT
INDEX -
(NAME (BE05JCL.FILE.INDEX))
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CLUSTER
DATA
INDEX
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DELETING DATA SETS
DELETE -
TEST. FILE -
CLUSTER - PURGE -
ERASE
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REPRO STATEMENT
REPRO -
INFILE (ddname) -
OUTFILE (ddname) -
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PRINTING VSAM DATA SETS
PRINT -
INDATASET (BE05JCL.FILE) -
CHAR
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LISCAT STATEMENT
LISTCAT -
ENTRIES (BE05JCL .FILE)
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Topic 5. Generation Data Groups.
ObjectivesUpon completion of this unit the student should be able to:
* Discuss the uses of generation data sets.
* Define and use a generation data set.
* Delete a generation data set.
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GDGs
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NAMING CONVENTION
ABSOLUTE NAME RELATIVENAME CHRONOLOGICAL ORDER
GEN.GOOO6VOO GEN(O) CURRENT
GEN.GOOO5VOO GEN(-1)
GEN.GOOO4VOO GEN(-2) OLDEST
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ALLOCATE GDG BASE
GDG BASE
CATALOG
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DEFINE MODEL DSCB
CATALOG
VTOC. . . . . . .
MODEL DSCB . . . . . .
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CREATE GDS
0
IEFBR14
+1
-2
-1
0
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DELETING GDG CATALOG ENTRIES
-2
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Topic 6. JCL Procedures
Objectives
Upon completion of this unit the student should be able to :
* Disciss the usage of procedures
* Define an instream procedure
* Use the three methods of modifying a procedure at run time.
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PROCEDURES
PROC
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TYPE OF PROCEDURES
PROC
PEND
PROC
INSTREAM
CATALOGUED
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//[name] JCLLIB ORDER=(Library[,library] …)
//MYLIB JCLLIB ORDER=(BE05.JCL.PROCLIB,// BE05.JCL.PROCLIB1)
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//[name] INCLUDE MEMBER=name
//BE05JCL JOB . . . . .//LIBRARY JCLLIB ORDER=BE05MST.JCL.PROCLIB//STEP1 EXEC PGM=PRINT//DD1 INCLUDE MEMBER=SYSOUT1//STEP2 EXEC PGM=DELETE . . .
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INVOKING A PROCEDURE
// EXEC Procname
// EXEC PROC=procname
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SPECIFYING AN INSTREAM PROC.
PROC•
PEND
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Procedure C://C PROC//C51 EXEC PGM=GHI
//C PEND
Procedure B://B PROC//B51 EXEC PROC=C .//B52 EXEC PGM=DEF//B PEND
Procedure A://A PROC//AS1 EXEC PROC=B .//AS2 EXEC PGM=ABC .//A PEND
Job Stream://JOB1 JOB . . . . .//STEP1 EXEC PROC=A .//STEP2 EXEC PGM=JKL . . .
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//JOB1 JOB . . . . . level 0
//CS1 EXEC PGM=GHI level 3
.
//BS2 EXEC PGM=DEF level 2
.
//AS2 EXEC PGM=ABC level 1 .
//STEP2 EXEC PGM=JKL level 0
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MODIFYING A PROCEDURE
PROC
REVISED
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OVERRIDING DD STATEMENTS IN A PROCEDURE
//MYPROC PROC
//STEP1
//IN DD DSN=A// PEND
// EXEC MYPROC//STEP1.IN DD DSN=B
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ORDERING THE OVERRIDE STATEMENTS
//MYPROC PROC//S1 EXEC ---------//DD1 DD ----------//S2 EXEC ----------//DD2 DD ----------//RUN EXEC MYPROC//S1.SYSIN DD *
----------- -----------//S2.SYSIN DD * ------------ -----------/*
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SYMBOLIC PARAMETERS
//MYPROC PROC U=SYSDA
//DD1 DD DSN=……., UNIT= &U,…….//DD2 DD DSN=……., VOL=SER= &P,…..
// EXEC MYPROC,P=EDPAK3
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//[name] SET symbolic-parameter=value
//SP1 SET PARM3=‘3400-6’
//SP2 SET PARM4=123456
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MODIFYING THE EXEC STATEMENT
PROC=_______
COND=
REGION=
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Topic 7. Introduction to DFSMS
Objectives
The purpose of this unit is to introduce SMS concepts.
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STORAGE MANAGEMENT SUBSYSTEM
NON SMS
193
1D3
5CB
240 978
3350
3380
3380J
3380
3380K
3380E 3380
3380JMVSRES
3380KPAST
CACHE
DSN=EndDISP=UserUNIT=VOL=SER=DCB=TRKCYLRECFMLRECLEXPDTRETPD
PERFORMANCE UTILIZATION
DC
SC
MC
DSN=
DISP=
SMS
FUTURE
DASDSTORAGE
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DATASET
WHAT ARE THE SERVICES ?
SELECTION ROOTWHATDOESITLOOKLIKE
WHATARETHESERVICES
SELECTIO RN O U T I N E
DATACLASS
MANAGEMENT CLASSSTORAG CE L A S S STORAGE GROUP
SELECTION ROUTINE
SELECTION R O U T I N E
WHERE IS IT PLACED ?
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WHAT DOES IT LOOK LIKE ?
Data Class Attributes----Data set type----Record length
----Space Information----EXPDT / RETPD
----VSAM Keys----VSAM subparameters
DATACLASS
D C
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WHAT IS THE SERVICE ?
Storage Class Attributes
---- Performance
---- Continuous availability
STORAGECLASS
SC
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HOW IS IT MANAGED ?
M CManagement Class Attributes
----Recovery capability
----Space occupancy
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WHERE IS IT PLACED ?
Storage Group Attributes
----- Volume management
NOT visible to users !
S C
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Automatic Class Selection Environment
DATACLASSROUTINE
STORAGECLASSROUTINE
ManagementCLASSROUTINE
STORAGECLASSROUTINE
SC=xxx
notsystemmanaged
sc=null
systemmanaged
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SMS can manage
• PHYSICAL SEQUENTIAL• PARTITIONED• VSAM• BDAM• GENERATION DATA GROUPS (GDG)• TEMPORARY• VIO
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Overview JCL Changes
* PROMOTED KEYWORDS
* SUPPORT OF SMS SPECIFICATIONS
* NEW WAYS TO REFERENCE ‘MODEL’
* VSAM DEFINITIONS VIA JCL
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New JCL Keywords
ALL DATA SETS SMS MANAGED
DATACLASRECORGAVGRECKEYOFFLIKEREFDDSECMODEL
STORCLASMGMCLAS
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JCL Data Class
* SPECIFIES DATA CLASS FOR NEW SYSTEM - or NON-SYSTEM -MANAGED DASD DATA SETS
* DATA CLASS IS A NAMED LIST OF DEFAULT ALLOCATION ATTRIBUTES RECORG KEYOFF RECFM RETPD / EXPDT LRECL SPACE KEYLEN VOLUME COUNT
VSAM OPTIONS (IMBED , REPLICATE , CISIZE , FREESPACE, SHAREOPTIONS)
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JCL Storage Class
* SPECIFICATIONS STORAGE CLASS FOR NEW SYSTEM- MANAGED DATA SETS
* STORAGE CLASS IS A NAMED LIST OF OBJECTIVES PERFORMANCE AVAILABILITY
* REQUEST FOR SERVICE, NOT FOR RESOURCE
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JCL Management Class
* SPECIFIES MANAGEMENT CLASS FOR NEW SYSTEM- MANAGED DATA SETS
* NAMED LIST OF AVAILABILITY AND SPACE MANAGEMENT ATTRIBUTES
------PARTIAL RELEASE ------BACKUP ------RETENTION ------MIGRATION
* SPECIFICATIONS DIRECT ‘DFHSM’ ACTIVITIES
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JCL SPACE INFORMATION
* SPACE= ( , ( , ,dir) ) OVERIDE NUMBER OF DIRECTORY BLOCKS SPECIFIED IN DATA CLASS
* AVGREC = U /K /M SPECIFIES SCALE MODIFICATION TO AVERAGE RECORD LENGTH REQUEST , SPACE = ( reclgth ,( prim -qty , sec - qty)) -- U -- multiply by 1 -- k -- multiply by 1024 -- M -- multiply by 1048576
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NEW JCL LIKE PARAMETER
* SPECIFIES PROPERTIES OF AN EXISTING CATALOGED DATA SET TO BE USED TO ALLOCATE A NEW DATA SET
RECORG LRECL RECFM KEYLEN SPACE KEYOFF* REPLACES DCB = dsname* INCONSISTENCIES BETWEEN JCL AND TSO LIKE
----BLKSIZE, EXPDT COPIED FOR TSO LIKE ,NOT NOT SO FOR JCL LIKE
----JCL LIKE COPIES DIRECTORY SIZE, TSO PROMPTS FOR IT
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VSAM DATA SET via JCL
//NEWVSAM DD DSN =MY.NEW.VSAM,DISP=(NEW,CATLG)// LRECL=120,// SPACE=(120,(1000,500)),// AVGREC=K,// RECORG=KS,// KEYLEN=17,// KEYOFF=6
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CATALOGING PERMANENT SMS DATA SET
* ALL PERMANENT SMS DATA SETS ARE
* CATALOGED AT TIME OF SPACE ALLOCATION * UNCATALOGED WHEN DATA SET IS SCRATCHED
* ALLOCATION OF NON-VSAM DATA SETS CAUSES
* THE CREATION OF A BCS ENTRY * THE CREATION OF A VVDS ENTRY
* UNCATALOGED DATA SETS CANNOT BE SMS MANAGED
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CATALOGING TEMPORARY VSAM DATA SETS
* CATALOGING TEMPORARY VSAM DATA SETS ----NO BCS ENTRY IS CREATED ----ONLY VVR(s) ARE BUILT ----STANDARD TEMPORARY DATA SET NAME
* LIMITATIONS ----NO AIX or PATH SUPPORT ----SHAREOPTIONS(1) ONLY ----SINGLE VOLUME ONLY
* TEMPORARY NON-VSAM DATA SETS REMAIN UNCATALOGED
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GDG PROCESSING
* SMS-managed GDG consists of cataloged sequential and / or direct data sets residing on DASD volumes* SMS-managed GDG may contain both SMS-and non-SMS- -managed GDGs* GDSs in a GDG can have like or unlike data set attributes and data set organisations* SMS affects GDG processing due to its implementation of mandatory cataloging.Changes are : ---Allocation without pattern DSCB ---Allocation of new generation ---AMS ALTER command usage ---Disposition processing of new generations
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Topic 8. Open Edition
Objectives
The purpose of this unit is to introduce the student to edition
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FILE NAMING CONVENTIONS
C program . . .open(char “ / dir1 /DIR2 / FILEname “, Int O_RDONLY);
ROOT DIRECTORY
DXFILE1FILE2
DIR2
FILEname
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FILE NAMING CONVENTIONS WITH PATH =
OPENEDITION DD STATEMENT://DD1 DD PATH=‘/ dir1 / DIR2 / FILEname// . . ROOT DIRECTORY
DX
FILE1FILE2
dir1
dir2
FILEname
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NEW JCL KEYWORDS
New JCL keywords for HFS files:
PATH = HFS file namePATHOPTS= HFS file access and status modePATHMODE= HFS file access attributesPATHDISP= HFS file disposition
Commands and macros affected by this change:
ALLOCATE TSO / E CommandDYNALLOC Macro
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MODIFIED JCL PARAMETERS
Modified JCL Parameter :
DSNTYPE =[HFS] {PIPE}
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DATA ACCESS
TRADITIONAL
2) DCB
DCB a.b.c
A.B.C1)dname
//SYSPRINT DD DSN =A,B,C
DDNAME
POSIX2)FILEDESCRIPTOR
23=/a/b/c
a/b/c1) PATHNAME
MYDATA = a/b/c
Symbolic link
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NON-POSIX CALLABLE SERVICES
RMF
1101
UMTUNMOUNT()
MNTMOUNT()
MKNMKNOD()
CHACHAUDLTL()
FCHFCHAUDIT()
QSEQUIESCE()
UQSUNQUIESCE()
GMNW-GETMNTENT()
STFW-STATFS()
MPC
MVS
LPA
EXMexecmvs()
MSDmvsunsigsetup()
MSSmvssigsetup()
PTRptrace()
RMG resource()
HW
IOClootl()
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BATCH ENVIRONMENT
MVS batct job :
START OF JOB
MVS BATCH PROGRAM
OPEN MVS BATCH PROG.
MVS BATCH PROGRAM
END OF JOB
//OPENBATC JOB
//S1 EXEC PGM=MVSPROG1
//S2 EXEC PGM=BPXBATCH,// PARM=‘pgm cprog a1 a2’
//S3 EXEC PGM=MVSPROG2
//
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JCL EXAMPLE - SHELL SCRIPT
Open MVS batch execution of a shell script :
//OMVSSHELL JOB USER=username//OMVSEXEC EXEC PGM=BPXBATCH//STDIN DD PATH=‘/DIR1/DIR2/SHELL.SCRIPT//STDOUT DD PATH=‘DIR1/DIR2/STD.OUTPUT’,// PATHOPTS=(OWONLY,OCREATE),// PATHMODE=(SIRWXV),// PATHDISP=KEEP//STDERR DD PATH=‘DIR1/DIR2/STD.ERROR’,// PATHOPTS=(OWONLY,OCREATE),// PATHMODE=(SIRWXV),// PATHDISP=KEEP
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JCL EXAMPLE - C PROGRAM
OPEN MVS BATCH EXECUTION OF C PROGRAM
//OMVSCPGM JOB USER=username//OMVSEXEC EXEC PGM=BPXBATCH,// PARM=‘pgm cporg a1 a2’//STDOUT DD PATH=‘/DIR1/DIR2/STD.OUTPUT’,// PATHOPTS=(OWONLY,OCREATE),// PATHMODE=(SIRWXV),// PATHDISP=KEEP//STDERR DD PATH=‘DIR1/DIR2/STD.ERROR’,// PATHOPTS=(OWONLY,OCREATE),// PATHMODE=(SIRWXV),// PATHDISP=KEEP//