z/OS V1R6.0 DFSMS Access Method Services for Catalogs

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DEFINE CLUSTERThe DEFINE CLUSTER command builds a cluster entry, a data entry, and an indexentry to define the key-sequenced cluster, EXAMPLE.KSDS2. The DEFINECLUSTER command allocates space separately for the cluster’s data and indexcomponents.The parameter that applies to the cluster is NAME which specifies that thecluster’s name is EXAMPLE.KSDS2.The parameters that apply only to the cluster’s data component are enclosed in theparentheses following the DATA keyword:vvvvvvvRECORDS specifies that an amount of tracks equal to at least 500 records is tobe allocated for the data component’s space. When the data component isextended, it is to be extended in increments of tracks equal to 100 records.EXCEPTIONEXIT specifies the name of the exception exit routine, DATEXIT,that is to be processed if an I/O error occurs while a data record is beingprocessed.ERASE specifies that the cluster’s data is to be erased (overwritten with binaryzeros) when the cluster is deleted.FREESPACE specifies the amounts of free space to be left in the datacomponent’s control intervals (20%) and the control areas (10% of the controlintervals in the control area) when data records are loaded into the cluster.KEYS specifies the location and length of the key field in each data record. Thekey field is 6 bytes long and begins in the fifth byte (byte 4) of each data record.RECORDSIZE specifies that the cluster’s records are variable length, with anaverage size of 80 bytes and a maximum size of 100 bytes.VOLUMES specifies that the cluster is to reside on volume VSER01.The parameters that apply only to the cluster’s index component are enclosed inthe parentheses following the INDEX keyword:vvRECORDS specifies that an amount of tracks equal to at least 300 records is tobe allocated for the index component’s space. When the index component isextended, it is to be extended in increments of tracks equal to 300 records.VOLUMES specifies that the index component is to reside on volume VSER01.The CATALOG parameter specifies that the cluster is to be defined in a usercatalog, USERCAT4.Define an Entry-Sequenced Cluster Using a Model: Example 8In this example, two entry-sequenced clusters are defined. The attributes of thesecond cluster defined are modeled from the first cluster.//DEFCLU7 JOB ...//STEP1 EXEC PGM=IDCAMS//SYSPRINT DD SYSOUT=A//SYSIN DD *DEFINE CLUSTER -(NAME(GENERIC.A.BAKER) -VOLUMES(VSER02) -RECORDS(100 100) -RECORDSIZE(80 80) -NONINDEXED ) -CATALOG(USERCAT4)DEFINE CLUSTER -(NAME(GENERIC.B.BAKER) -MODEL(GENERIC.A.BAKER USERCAT4)) -CATALOG(USERCAT4)/*172 z/OS V1R6.0 DFSMS Access Method Services for Catalogs
DEFINE CLUSTERThe first DEFINE CLUSTER command defines an entry-sequenced cluster,GENERIC.A.BAKER. Its parameters are:vvvvvvNAME specifies the name of the entry-sequenced cluster, GENERIC.A.BAKER.VOLUMES specifies that the cluster is to reside on volume VSER02.RECORDS specifies that the cluster’s space allocation is 100 records. When thecluster is extended, it is extended in increments of 100 records.RECORDSIZE specifies that the cluster’s records are fixed length (the averagerecord size equals the maximum record size) and 80 bytes long.NONINDEXED specifies that the cluster is entry-sequenced.CATALOG specifies that the cluster is to be defined in the USERCAT4 catalog.The second DEFINE CLUSTER command uses the attributes and specifications ofthe previously defined cluster, GENERIC.A.BAKER, as a model for the cluster stillto be defined, GENERIC.B.BAKER. A list of the parameters follows:vvvNAME specifies the name of the entry-sequenced cluster, GENERIC.B.BAKER.MODEL identifies GENERIC.A.BAKER, cataloged in user catalog USERCAT4, asthe cluster to use as a model for GENERIC.B.BAKER. The attributes andspecifications of GENERIC.A.BAKER that are not otherwise specified with theDEFINE command’s parameters are used to define the attributes andspecifications of GENERIC.B.BAKER.CATALOG specifies that the cluster is to be defined in the USERCAT4 catalog.Define a VSAM Volume Data Set: Example 9In this example, a VVDS is explicitly defined. The cluster is named using therestricted VVDS name format 'SYS1.VVDS.Vvolser'.//DEFCLU8 JOB ...//STEP1 EXEC PGM=IDCAMS//SYSPRINT DD SYSOUT=A//SYSIN DD *DEFINE CLUSTER -(NAME(SYS1.VVDS.VVSER03) -VOLUMES(VSER03) -NONINDEXED -CYLINDERS(1 1)) -CATALOG(USERCAT4)/*This DEFINE CLUSTER command defines an entry-sequenced cluster that is usedas a VVDS. The parameters are:vvvvvNAME specifies the name of a VVDS, 'SYS1.VVDS.Vvolser',SYS1.VVDS.VVSER03.VOLUMES specifies that the cluster is to reside on volume VSER03. Only onevolume serial can be specified.NONINDEXED specifies that the cluster is entry-sequenced.CYLINDERS specifies that the cluster’s space allocation is 1 cylinder. When thecluster is extended, it is extended in increments of 1 cylinder.CATALOG specifies that the cluster is to be defined in the USERCAT4 catalog.Define a Relative Record Data Set with Expiration Date:Example 10In this example, an entry-sequenced cluster is defined specifying an expirationdate, using the TO parameter.Chapter 14. DEFINE CLUSTER 173
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z/OSDFSMS Access Method Services fo
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ContentsFigures . . . . . . . . . .
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Examine Both Components of a Key-Se
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Authorized Program Facility (APF) .
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xz/OS V1R6.0 DFSMS Access Method Se
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xiiz/OS V1R6.0 DFSMS Access Method
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Accessing z/OS DFSMS documents on t
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UNDERSCORED UPPERCASE BOLDFACEUnder
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vvvvWhen the subparameter contains
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owneridcan contain 1 to 8 EBCDIC ch
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xxivz/OS V1R6.0 DFSMS Access Method
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GUARANTEED SPACE=YES in the storage
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JCL DD Statement for a Target Data
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From a Time Sharing Option SessionY
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ALTER LIBRARYENTRYLets you alter al
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The multilevel alias facility enhan
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If this is a generic delete, the or
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The multilevel alias facility and t
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16 z/OS V1R6.0 DFSMS Access Method
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IF-THEN-ELSE Command SequenceThe sy
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If you want to indicate a null THEN
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PARM[TEST({[TRACE][AREAS(areaid[ ar
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SYSIN DD *PARM -TEST -(FULL -(ZZCA
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Common Continuation Errors in Codin
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Table 1. Summary of AMS commands (c
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ALLOCATEvvYou can use the LIKE para
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ALLOCATETable 2. Allocate Command P
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ALLOCATEA Automatic record area buf
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ALLOCATE- AVGREC- SPACEv Expiration
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ALLOCATEKEYLEN(bytes)This is the le
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ALLOCATEvvRECFM(F) or RECFM(F B), t
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ALLOCATEIf you do not use VOLUME an
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ALLOCATEYou cannot use the REUSE pa
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ALLOCATE|||||||||||||||||||||||||||
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ALLOCATEvvFREESPACE and SHAREOPTION
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ALLOCATE//ALLOC JOB ...//STEP1 EXEC
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Chapter 5. ALTERThe ALTER command m
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ALTERType of Catalog EntryCCSIDECSH
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ALTER||Identify a generation data s
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ALTERTYPEIMSIf you want to use BWO
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ALTERIf FILE is not specified, an a
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ALTERLOG(ALL). When you specify LOG
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ALTERTable 4. How NEWNAME Resolves
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ALTERLOGSTREAMIDWhen you use this,
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ALTERSMS-managed volumes, and catal
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ALTER||||||||||||||||should manage.
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ALTERALTER ExamplesNOUPGRADESpecifi
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Alter a Data Set Expiration Date: E
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Chapter 6. ALTER LIBRARYENTRYThe AL
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ALTER LIBRARYENTRYnumslotsIs the nu
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ALTER LIBRARYENTRY||vLIBRARYENTRY a
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Chapter 7. ALTER VOLUMEENTRYThe ALT
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ALTER VOLUMEENTRYyou use this param
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ALTER VOLUMEENTRYcontains commas, s
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ALTER VOLUMEENTRYvvvvvVAL0001: Spec
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Chapter 8. BLDINDEXThe BLDINDEX com
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BLDINDEXnames for the work file DD
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BLDINDEXIf the base cluster’s dat
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BLDINDEXAMP='AMORG'Required.BLDINDE
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Chapter 9. CREATE LIBRARYENTRYThe C
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CREATE LIBRARYENTRY||||||||||||a li
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CREATE LIBRARYENTRY|||||/*SCRATCHTH
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Chapter 10. CREATE VOLUMEENTRYThe C
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CREATE VOLUMEENTRYLIBRARYNAME(libna
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CREATE VOLUMEENTRYshelfa 1-to-32 ch
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CREATE VOLUMEENTRY//CREATVOL JOB ..
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Chapter 11. DCOLLECTThe DFSMS Data
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DCOLLECTDCOLLECT ParametersRACF Aut
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DCOLLECTMIGRATEDATArequires collect
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DCOLLECTFor example, you might use
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Page 149 and 150: Chapter 12. DEFINE ALIASThe DEFINE
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Page 161 and 162: DEFINE ALTERNATEINDEXWhen you use a
Page 163 and 164: DEFINE ALTERNATEINDEXWhen you use B
Page 165 and 166: DEFINE ALTERNATEINDEXTo ensure data
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Page 169 and 170: DEFINE ALTERNATEINDEXv KILOBYTES al
Page 171 and 172: Chapter 14. DEFINE CLUSTERUsing Acc
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Page 177 and 178: DEFINE CLUSTERvvThe storage group t
Page 179 and 180: DEFINE CLUSTERThe size of the contr
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Page 183 and 184: DEFINE CLUSTERSpace is allocated fo
Page 185 and 186: DEFINE CLUSTERnames of the manageme
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Page 189 and 190: DEFINE CLUSTERintegrity. VSAM ensur
Page 191 and 192: DEFINE CLUSTERAbbreviation: NSPNDSP
Page 193 and 194: Define an SMS-Managed Key-Sequenced
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Page 197: DEFINE CLUSTER//SYSIN DD *DEFINE CL
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Page 205 and 206: DEFINE GENERATIONDATAGROUPvvvEMPTY
Page 207 and 208: Chapter 16. DEFINE NONVSAMUsing Acc
Page 209 and 210: DEFINE NONVSAMYou can code DEVICETY
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Page 213 and 214: DEFINE NONVSAM/*VOLUMES(VSER02) ) -
Page 215 and 216: Chapter 17. DEFINE PAGESPACEThe DEF
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Page 219 and 220: DEFINE PAGESPACEThe storage class p
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Page 223 and 224: Chapter 18. DEFINE PATHThe DEFINE P
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Page 227 and 228: Chapter 19. DEFINE USERCATALOGThe D
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Page 243 and 244: Chapter 20. DELETEThe DELETE comman
Page 245 and 246: DELETECLUSTERspecifies that the obj
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DELETEallocate the entry name. Dyna
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DELETERECOVERY|NORECOVERYspecifies
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DELETEremoved has no data sets in t
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Delete a Non-VSAM Data Set’s Entr
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Delete a User Catalog: Example 8In
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DELETEThe second DELETE command rem
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Delete an OAM Collection Name Catal
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Chapter 21. DIAGNOSEThe DIAGNOSE co
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DIAGNOSECOMPAREDS(dsname [ dsname..
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DIAGNOSEJob control language statem
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DIAGNOSE/*DIAGNOSE -VVDS -INFILE(DI
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Chapter 22. EXAMINEThe EXAMINE comm
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EXAMINE//EXAMEX2 JOB//STEP1 EXEC PG
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Chapter 23. EXPORTThe EXPORT comman
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EXPORTDuring CIMODE processing, dat
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EXPORTEXPORT ExamplesAbbreviation:
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Export an Entry-Sequenced Cluster:
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Chapter 24. EXPORT DISCONNECTThe EX
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Chapter 25. IMPORTThe IMPORT comman
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IMPORTOUTFILE(ddname)specifies the
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IMPORTdata set. If the define of an
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IMPORTvvvIf VOLUMES is specified wi
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Import a Cluster Utilizing SMS Keyw
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IMPORTmethod services then redefine
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IMPORTvCATALOG identifies the catal
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Chapter 26. IMPORT CONNECTThe IMPOR
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IMPORT CONNECTvvCONNECT specifies t
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Chapter 27. LISTCATThe LISTCAT comm
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LISTCATINDEXspecifies that entries
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LISTCATAbbreviation: LVLExamples of
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LISTCATLISTCAT ExamplesAbbreviation
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LISTCATList Catalog Entries: Exampl
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|||||||||||||||||Chapter 28. LISTDA
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LISTDATA|||||||||||||||||||||||||||
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LISTDATA|||||||||||||||||||||||||||
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LISTDATA||||||||||||||||||vFILE, wh
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Chapter 29. PRINTThe PRINT command
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PRINTkeys (that is, a portion of th
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PRINTAbbreviation: NODCKTOKEY(key)|
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PRINTIDCAMS SYSTEM SERVICES TIME: 1
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PRINTvCOUNT specifies that 15 recor
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Chapter 30. REPROThe REPRO command
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REPROdisposition of OLD. You can co
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REPRONone of these parameters can b
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REPROThe merge operation can be res
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REPRONOREUSEspecifies that records
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REPROThis section lists and describ
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REPROthe name the key is known by o
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REPROJob control language statement
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Merge Selected Entries (Split) from
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REPROassumed that the input data se
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REPROvvvvvINFILE points to the CRYP
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|||||||||||||||||||||||||||||||||||
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SETCACHE|||||||||||||||||||||||||||
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SETCACHE|||||||||||||||||||||||||||
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SETCACHE|||||||||||||||||||||||||||
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SETCACHE||||vafter SETCACHE SUBSYST
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SETCACHE|||||||||||||||||||||||||||
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Chapter 32. SHCDSUse the SHCDS comm
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SHCDS|vvvRemoving the SMSVSAM serve
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SHCDSLISTRECOVERY(base-cluster)list
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SHCDS||||||||||||||||||||||||||||||
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SHCDSSCHDS Examplespossible for dat
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Chapter 33. VERIFYThe VERIFY comman
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Appendix A. Security Authorization
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Security AuthorizationsTable 6. Req
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Security AuthorizationsTable 10. Re
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Appendix B. Interpreting LISTCAT Ou
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LISTCAT OutputRLS IN USEVSAM QUIESC
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LISTCAT OutputSPLITS-CI (STA)SPANNE
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LISTCAT OutputVOLSER (VLS)VOLUME (V
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LISTCAT OutputHISTORY (HIS)RELEASE
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LISTCAT OutputEntries are identifie
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LISTCAT OutputNOTRKOVFL—The physi
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LISTCAT Outputentryname—The name
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LISTCAT Output||set. When using com
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LISTCAT OutputEXTENT-NUMBER—The n
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LISTCAT Output// VOL=SER=TAPE10,LAB
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LISTCAT OutputLISTCAT Output Listin
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LISTCAT OutputLISTCAT -LEVEL(USER)
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LISTCAT OutputDATA ---------- USER.
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LISTCAT OutputALLOCATIONSPACE-TYPE-
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LISTCAT OutputAIX ----------- USER.
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LISTCAT OutputSTATISTICSREC-TOTAL--
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LISTCAT OutputCLUSTER ------- USER.
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LISTCAT OutputALLOCATIONSPACE-TYPE-
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LISTCAT OutputLISTCAT LEVEL(ZTAMS00
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LISTCAT OutputPATH ---------- USER.
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LISTCAT OutputLISTCAT HISTORY Outpu
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LISTCAT OutputNONVSAM ------- USER.
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LISTCAT OutputWhen the LISTCAT EXPI
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LISTCAT OutputFor LISTCAT VOLUME, a
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Appendix C. Interpreting SHCDS Outp
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SHCDS OutputvvIs not in NON-RLS UPD
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SHCDS OutputSHCDS LISTDS(SYSPLEX.KS
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SHCDS OutputLISTSUBSYSDSThe followi
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SHCDS OutputSHCDS LISTSUBSYSDS(ALL)
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Appendix D. Invoking Access Method
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Invoking from ProgramLOAD and CALL
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Invoking from ProgramARGUMENT LISTO
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Invoking from ProgramEntry and exit
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Invoking from ProgramFigure 32. Arg
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Appendix E. DCOLLECT User ExitUser
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DCOLLECT User ExitIDCDCX1 TITLE ’
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***********************************
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Appendix F. Interpreting DCOLLECT O
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DCOLLECT OutputTable 14. DCOLLECT O
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DCOLLECT OutputTable 15. DCOLLECT D
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DCOLLECT OutputTable 15. DCOLLECT D
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DCOLLECT OutputTable 16. DCOLLECT S
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DCOLLECT OutputTable 17. DCOLLECT M
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DCOLLECT OutputTable 17. DCOLLECT M
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DCOLLECT OutputTable 19. DCOLLECT S
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DCOLLECT OutputTable 20. DCOLLECT B
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DCOLLECT OutputTable 25. DCOLLECT A
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DCOLLECT OutputDCDFLAG2DCDFLAG3DCDD
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DCOLLECT OutputDCDLBKDT The system
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DCOLLECT OutputDCAHURBADCAHARBAThe
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DCOLLECT OutputDCVFRAGIDCVLGEXTDCVF
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DCOLLECT OutputDDCCNTLDDCRETPDDDCVO
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DCOLLECT OutputDDCKOFFDDCCOMPDDCMED
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DCOLLECT Outputmajority of I/O sche
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DCOLLECT OutputDMCRLFDMCGDGFLDMCPEL
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DCOLLECT OutputDMCBKFLGDMCBKFQDMCBK
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DCOLLECT OutputDMCTSLUDMCPERDDMCVSC
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DCOLLECT OutputDBCDUNITDBCSRSTDBCST
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DCOLLECT OutputDSGNMFLDDSGUSERDSGDA
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DCOLLECT OutputDSGABSYSDSGADSYSDSGA
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DCOLLECT OutputDSGOLIBSDSGSSTATThes
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DCOLLECT OutputDDRNSTAT (8)This fie
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DCOLLECT OutputDLBDCLENDLBDCLNMDLBD
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DCOLLECT OutputUBDSNAMUBINCATUBNOEN
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DCOLLECT OutputUCLEVEL Identifies t
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DCOLLECT OutputUTPARTUTEMPTYContain
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Appendix G. AccessibilityUsing assi
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NoticesThis information was develop
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GlossaryThis glossary defines techn
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uffer. A routine or storage used to
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DFSMS environment. An environment t
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programs, it provides a means of ge
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PDSE.See partitioned data set exten
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cache), primary storage (DASD conta
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VVCR.VVDS.See VSAM volume control r
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IndexAaccess method services 83attr
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COMPACTION parameterALTER VOLUMEENT
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entryname subparameter (continued)V
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LIBDEVTYPE parameter (continued)CRE
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NUMBERED parameterDEFINE commandCLU
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security authorization (continued)l
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WRITECHECK parameter (continued)DEF
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Readers’ Comments — We’d Like
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Program Number: 5694-A01Printed in
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