Pre-Con Ed: Introduction to CA Datacom Key Concepts and Facilities Part II

World®’16

IntroductiontoCADatacomKeyConceptsandFacilities- PartIIDaleRussellDirectorSoftwareEngineeringandProductOwnerCATechnologies

MAINFRAMEANDWORKLOADAUTOMATION

MFX68EB

2 ©2016CA.ALLRIGHTSRESERVED.@CAWORLD#CAWORLD

Abstract

Thisisamulti-partsessiontargetedtowardsthenewCADatacomDBAorsystemsprogrammer.ThesessioncoversthekeyconceptsandfacilitiesforimplementingandmanagingtheCADatacomenvironment.DirectorSoftware

EngineeringandProductOwner

CATechnologies

DaleRussell


Module5:DBUTLTY


Agenda

DEFINETHEPURPOSEOFDBUTLTY

PERFORMIMPORTANTDBUTLTY TASKS

GENERATEDBUTLTY REPORTS

1

2

3


DBUTLTY

§ Whatwe’lltalkabout– WhatDBUTLTYis– Reviewofmajorfunctions– MasterList(DBMSTLST)


DBUTLTY

§ Batchprogram

§ Performsallutilityfunctionsfordatabasesandsystemareas

§ Keyworddriven,notpositional

§ Statementscanbeexecutedindividuallyoringroups

§ CADatacom/DBmessagesandreturncodesareissuedforanyfailure/error

Whatisit?


DBUTLTY

§ StandardconditioncodesaregeneratedforeachDBUTLTYstep

§ Statementsareechoedalongwithresults

§ STATUScommandavailablethroughconsole– monitorsprogressoflong-runningfunctions

Whatisit?


MajorFunctions

§ Systemareamaintenance

§ CXXDatabasedefinitionmaintenance

§ Multi-UserControl

§ Datahandling


MajorFunctions

§ Reporting

§ Recovery

§ Accounting

§ Errorhandling

§ Resourcemeasurementandmonitoring

Continued


SystemAreaMaintenance

§ INIT– AREA=CXX,CXXNAME=name,DATACOM=DB/AD– AREA=LXX,BLKSIZE=32760,VARIABLE=YES/NO,TSN=nnnnnnnnn– AREA=FXX,BLKSIZE=32760,TASKS=1-9999

§ RESET– AREA=CXX,DBID=nnnn,REPLY=NO/YES– AREA=LXX (onlytobeusedonveryrareorspecialoccasions!!!!!)


SystemAreaMaintenance

§ BACKUP– AREA=CXX,DDNAME=outdd– AREA=CXX,DDNAME=outdd,DBID=nnnn

§ LOAD– AREA=CXX,DDNAME=indd– AREA=CXX,DDNAME=indd,DBID=nnnn,NEWDBID=nnnn– AREA=CXX,DDNAME=indd,DBID=nnnn

Continued


CXXDatabaseDefinitionMaintenance

§ CXXMAINT– OPTION=ALTER,CBSUSE=YES/NO,DBID=nnnn,KEYNAME=keynm,

TABLE=ttt– OPTION=ALTER,DSN=new.dataset.name,DBID=nnnn,AREA=aaa– OPTION=ALTER,DSOP=0-5,DBID=nnnn,AREA=aaa

§ ThefollowingwereperformedbytheVersion14.0upgrade– OPTION=ALTER,OPTION2=Y_DATAFS– OPTION=ALTER,OPTION2=Y_DATAHU– OPTION=ALTER,OPTION2=Y_AREAEV– OPTION=ALTER,CXXENQ=SYSPLEX



§ CXXMAINTDDPROD,DDNAME=ddcfbld.output.dataset,NEWDBID=nnnn

Note:UsemayberestrictedtoDATA-DICTandDDD-DATABASEinfutureversions,soitisstronglyrecommendedthatitsuseforanyotherdatabasebediscontinued.TheDDUPDATECATALOG,DDOLCATALOGorDDCFBLD-CXXCATALOGshouldbeusedinstead.

Continued



§ CXXMAINTOPTION=DELETE,DBID=nnnn,TABLE=ttt

§ CXXMAINTOPTION=PURGE,DBID=nnnn

§ LINKDBID=nnnn

§ REMOVEAREA=IXX,DBID=nnnn,KEYID=nnn

Continued


Multi-UserControl

§ ACCESS– STATUS=OFF/READ/UTLTY/MAINT/NOMAINT/WRITE,– USERS=FAIL/WAIT/IGNORE,DBID=nnnn,AREA=aaa

§ COMM– OPTION=CLOSE,DBID=nnnn,AREA=aaa,IGN68=YES/NO– OPTION=REQABORT,REQSEQNO=nnnnnnn,IGN68=YES/NO


Multi-UserControl

§ COMM– OPTION=ALTER,RCERROR=eeeii,BUFFERS=YES/NO,MASTERL=YES/NO– OPTION=ALTER,DUMPS=type,JOBNAME=jobname,TERMID=terminal

§ typeEXAMPLES:ARRAY/GLOBALA/PLAN/LUW/TASK/URT– OPTION=ALTER,TRACE=class,JOBNAME=jobname,TERMID=terminal

§ classEXAMPLES:TRACEERR/TRACERAT/TRACEPLAN– SeeDBUTLTYReferenceGuideforcompletelist

Continued


Multi-UserControl

§ COMMOPTION=– EOJ,EOJOFF,EOJKEEP,EOJFREE– CLRPXX– NEWRXX– SNAP,SNAPCSA,SNAPSVC– STATS– STATUS– SYSTEMDBID_DELETE

Continued


Multi-UserControl

§ COMMOPTION=CONSOLE,OPTION2=‘console/console-likecommand’– ‘COVERED_ADD237,A01,1G,F,75’– ‘COVERED_DELETE237,A01’– ‘DYNAMIC_EXTEND1440,XYZ,300,CYL’– ‘NEWCOPYmodule-name’– ‘QUIESCEOFF/TXN/REQ’– ‘VIRTUAL_ADD101,A25,200M’

§ FLEXPOOL– OPTION=ADD/DELETE,AREA=DATA/DATA2/DXX/IXX,NUMBER=nnnn

Continued


DataHandling

§ Initializingindexanddataareas

§ Loadingdataareas

§ Extractinginformationfromdataareas

§ Reorganizinglargedataareas

§ Maintainingindexand/ordataareas


DataHandling

§ INIT– AREA=IXX,DBID=nnnn,VERIFY=NO/YES,MULTUSE=NO/YES,BLKSIZE=nnn

nn,OLDEP=YES/NO– AREA=aaa,DBID=nnnn,MULTUSE=NO/YES,VERIFY=NO/YES– IXXAREA=***,DBID=nnnn,VERIFY=NO/YES,MULTUSE=NO/YES,– BLKSIZE=nnnnn,OLDEP=YES/NO– IXXAREA=Inn,DBID=nnnn,VERIFY=NO/YES,MULTUSE=NO/YES,– BLKSIZE=nnnnn,OLDEP=YES/NO– NOTE:IfaDDstatementispresentintheJCL,thedatasetnameonthe

DDstatementwillreplacethedatasetnameintheCXX

Continued


DataHandling

BlocksformattedtoCADatacom/DBrequirementsFirstblockupdateswithcontrolinformation

INITdiagram


DataHandling

§ LOAD(databaselevel)– DBID=nnnn,DDNAME=indd,FORMAT=backup/none,– SORT=nnnnnnn,OPTIMIZE=NO/YES,KBYTES=nnn,– INDEX=YES/NO,CLUSTER=SPARSE/DENSE,– LOADID=NO/YES,LOADDUPS=NO/YES,REMAP=fffttt,– OPTION1=NOF/’(I)’/’(U)’,RESETRCE=YES/NO,– SLACK=nnnn,SORTWK=0-99,STATS=YES/NO– NOTE:‘INITAREA=IXX’REQUIREDAHEADOFFULLDATABASELOADS

Continued


DataHandling

§ LOAD(arealevel)– DBID=nnnn,AREA=aaa,TABLE=ttt,DDNAME=indd,– FORMAT=backup/extract/var/none,SORT=nnnnnnn,– OPTIMIZE=NO/YES,KBYTES=nnn,INDEX=YES/NO,– URI=YES/NO,CLUSTER=SPARSE/DENSE,– LOADID=NO/YES,LOADDUPS=NO/YES,REMAP=fffttt,– OPTION1=NOF/’(I)’/’(U)’,RESETRCE=YES/NO,– SLACK=nnnn,SORTWK=0-99,STATS=YES/NO,– MISMATCH=IGNORE

Continued


DataHandling

§ MASSADD– DBID=nnnn,DDNAME=indd,TABLE=aaa,MULTUSE=NO/YES,

STARTAFT=nnnnnnn

§ REPLACE– DBID=nnnn,TABLE=ttt,DDNAME=indd,MULTUSE=NO/YES,

SORT=nnnnnnn,LOADPTN=SKIP/FAIL,SLACK=nnnn

Continued


DataHandlingLOADdiagram


DataHandling

§ RETIX(databaselevel)– DBID=nnnn,SORT=nnnnnnn,OPTIMIZE=NO/YES,

OPTION1=NOF/’(I)’/’(U)’,VERIFY=NO/YES,SORTWK=nn

§ RETIX(arealevel)– DBID=nnnn,AREA=aaa,SORT=nnnnnnn,OPTIMIZE=NO/YES,

OPTION1=NOF/’(I)’/’(U)’,VERIFY=NO/YES,SORTWK=nn,MULTUSE=NO/YES,MINIMAL=NO/YES

Continued


DataHandlingRETIXdiagram


DataHandling

§ EXTEND– DBID=nnnn,AREA=aaa,MULTUSE=NO/YES– DBID=nnnn,AREA=IXX,MULTUSE=NO/YES– DBID=nnnn,IXXAREA=aaa,MULTUSE=NO/YES

Continued


DataHandling

§ BACKUP– DBID=nnnn,SEQ=native/physical,DDNAME=outdd,RECID=NO/YES,

CMPRS=NO/YES,EXCLUDE=ttt,INCLUDE=ttt

– DBID=nnnn,AREA=aaa,SEQ=NATIVE,DDNAME=outdd,RECID=NO/YES,CMPRS=YES/NO,MULTUSE=NO/YES,FIRSTKEY=key-value,LASTKEY=key-value,EXCLUDE=ttt,INCLUDE=ttt

– DBID=nnnn,AREA=aaa,SEQ=PHYSICAL,DDNAME=outdd,RECID=NO/YES,CMPRS=YES/NO,MULTUSE=NO/YES,FIRSTKEY=key-value,LASTKEY=key-value,UPDATE=NO/YES,EXCLUDE=ttt,INCLUDE=ttt

Continued


DataHandling

§ EXTRACT– DBID=nnnn,AREA=aaa,TABLE=ttt,SEQ=NATIVE,DDNAME=outdd,

MULTUSE=NO/YES,SLACK=nnn,SEQBUFS=0-256,BLKSIZE=nnnnn– DBID=nnnn,AREA=aaa,TABLE=ttt,SEQ=PHYSICAL,DDNAME=outdd,

UPDATE=NO/YES,SLACK=nnn,SEQBUFS=0-256,BLKSIZE=nnnnn

§ LOAD– OPTION=MOVER,DBID=nnn,AREA=aaa

§ UNLOCK– OPTION=MOVER,DBID=nnn,AREA=aaa

Continued


DataHandling

§ EXTBKUP– FILEOUTDDNAME=outdd,TABLE=ttt– EXTBKUPDDNAME=indd– NOTE:BothfunctionsmustbepresentinthesameDBUTLTYexecution

Continued


DataHandling

§ Examples– BACKUPDBID=001,DDNAME=DB001BK,SEQ=NATIVE– BACKUPDBID=001,DDNAME=DB001BK,SEQ=PHYSICAL,RECID=YES– BACKUPDBID=001,DDNAME=DB001BK,SEQ=PHY,EXCLUDE=PMF– BACKUPDBID=001,DDNAME=DB001BK,SEQ=PHY,INCLUDE=PAY,

MULTUSE=YES,CMPRS=NO

Continued


DataHandling

§ Examples(contd)– EXTRACTDBID=2009,DDNAME=EXTOUT,SEQ=NATIVE,AREA=AR2,

TABLE=MNT– EXTRACTDBID=001,DDNAME=PMFOUT,SEQ=PHY,AREA=PMF,

TABLE=PMF,MULTUSE=YES– FILEOUTDDNAME=PMFOUT,TABLE=PMF– EXTBKUPDDNAME=DB001BK

Continued


DataHandlingBACKUPdiagram


DataHandling

§ DEFRAG– DBID=nnnn– DBID=nnnn,KEYID=kkk,PERCENT=nn,FIRSTKEY=key-value,

LASTKEY=key-value

§ VERINDEX– DBID=nnnn,OPTION=DATAINDEX/INDEXDATA,TABLE=ttt,

KEYNAME=ALL/keynm

§ OLREORG– DBID=nnnn,TABLE=ttt,REFGROUP=0-100,NUMBER=nnnnn,– FIRSTKEY=key-value,LASTKEY=key-value

Continued


DataHandling

§ REORG– OPTION2=BACKUPONLY,AREA=aaa,DBID=nnnn,INNUM=n,

DDNAME=outdd,MULTUSE=NO/YES,CYCLE=n,SEQBUFS=0-256– OPTION2=LOADONLY,AREA=aaa,DBID=nnnn,INNUM=n,

DDNAME=outdd,MULTUSE=NO/YES,FORMAT=BACKUP/EXTRACT,TABLE=ttt,KBYTES=nnn,CYCLE=n,SEQBUFS=0256,SLACK=nnn,RESETRCE=NO/YES

– OPTION2=BACKUPLOAD,AREA=aaa,DBID=nnnn,INNUM=n,DDNAME=outdd,MULTUSE=NO/YES,FORMAT=BACKUP/EXTRACT,TABLE=ttt,KBYTES=nnn,CYCLE=n,SEQBUFS=0-256,SLACK=nnn,RESETRCE=NO/YES

Continued


Reporting

– AREA=CXX,TYPE=(A,B,I)– AREA=IXX,TYPE=(A,B,D,E,orG)(MUFmustbeup)– AREA=LXX– AREA=RXX– AREA=PXX– DEVICE=3390– MEMORY=(MVS,CForDS)– TYPE=H(historyreport,MUFmustbeup)– TYPE=DATANE(MUFmustbeup)– TYPE=U(debuggingreport)


Reporting

§ Reporttypes– TYPE=A(spaceutilization)– TYPE=B(key,element,fieldinformationsuppressed)– TYPE=I(catalogimpact,MUFmustbeup)

§ Reportscopereducedbyusing‘DBID=‘keyword– AREA=CXX,DBID=001– AREA=CXX,DBID=101,DBID=109,DBID=123,DBID=75– AREA=CXX,DBID=2-15

REPORTAREA=CXX


Reporting– CXX(contd)

DATA AREA SPACE UTILIZATION REPORT

AREA DATA TOTAL TOTAL TOTAL USED PERCENT PARTIALLY AREA REUSE

NAME BASE TRACKS RECORDS BLOCKS BLOCKS FULL MAX EMPTY BLKS OPTION

CXX 100 N/A 1,200 631 52 52 N/A N/A

IXX 1 11 N/A 132 15 11 11 N/A N/A

DEM 1 5 17 165 12 7 7 10 CLUSTERING

PAY 1 15 200 495 13 2 2 0 NO RECLAMATION

PMF 1 20 200 660 17 2 2 0 NO RECLAMATION

IXX 2 300 N/A 3,600 942 26 26 N/A N/A

DD1 2 2,700 19,209 2,400 1,114 3 3 0 RANDOM

TYPE=AReport



DATABASEINFORMATION

DBCRBASREQUIREMENTSFORTHISBASE- 1,840

DBCRKELREQUIREMENTSFORTHISBASE- 1,624

NUMBEROFAREASINTHISBASE- 3

NUMBEROFTABLESINTHISBASE- 6

NUMBEROFKEYSINTHISBASE- 11

NUMBEROFELEMENTSINTHISBASE- 21

LASTOPENED- DATE--7/11/2012,TIME-09.25.26

LASTRESTARTED- DATE--7/09/2012,TIME-13.55.06

LASTMAINTAINED- DATE--4/09/2012,TIME-14.03.56

TYPE=BReport– Page1



REPLICATEDBASE- NO BASEFORMAT- 2

PARTITIONEDBASE- NO

UPDATEUSERS- 0

READONLYUSERS- 0

OCCURRENCE- HUMAN-RESOURCEP001

SQLSECURITY- NO

TYPE=BReport– Page1continued



INDEXINFORMATION- IXX

DEVICETYPE - 3390 DYNAMICEXTEND- NO

BLOCKLENGTH - 4,096 DYN.EXT.TRACKS- 0

LEVELS- 1 OLDEP- YESBLOCKS/TRACK - 12 CXXMAINTLINK- YES

BLOCKSINUSE - 15

BLOCKSUNUSED- 117

TOTALBLOCKS - 132

TOTALTRACKS - 11PERCENTFULL - 11

DATASETNAME- DCMLV2.DB12.IXX001 INDEXDTF/DDNAME- IXX001

VOLUMES- DCMSP1




TABLENAME- PNC AREANAME- DEM

OCCURRENCE- DEMO-DEM-PNCP001 OCCURRENCE- DEMO-DEMP001

TABLEID- 6 AREASQLNAME- DEMO_DEM

RECORDLENGTH- 14/26 BLOCKLENGTH- 1,024 SLACK- 0RECORDSINTABLE- 5 OVERFLOWSINAREA- 0

LENGTHOFKEY/ELEMENTS- 176 BLOCKSINUSE- 12

NUMBEROFKEYS- 1BLOCKSUNUSED- 153

NUMBEROFELEMENTS- 3 TOTALBLOCKS- 165 CXXMAINTLINK- YES

CHANGEMASTERKEY- NO TOTALTRACKS- 5 DYNAMICEXTEND- YESDUPLICATEMASTERKEY- NO PERCENTFULL- 7 DYN.EXT.TRACKS - 0




RECOVER- YES DEVICETYPE- 3390

LOGGING- YES BLOCKS/TRACK- 33

PIPELINE- YES DSOPMODE- BASIC

DBCOMPRESSION- NO TABLELOADED- YES,DATE--7/09/2012,TIME-14.01.53USERCOMPRESSION- NO INDEXLOADED- YES

CLUSTERKEYID- 0 DATADICTIONARYBASE- 2

CLUSTERKEYLENGTH- 3 DATABASEIDCHANGE- NO

DEFINITIONPOSTEDVIA- LOADFROMBACKUP

AUTHID- SYSUSR SQL-INTENT- YTABLESQLNAME- DEMO_DEM_PNC UNIQUEROWIDENTIFIERS(URI)- 17

TYPE=BReport– Page3continued



IMPACTREPORT

BASE AREA TABLE ID DISPOSITION

1 DEM PNC 006 LOADED

PNM005 LOADEDPOH 003 LOADED

POL 004 LOADED

PAY PAY 001 LOADED

PMF PMF 002 LOADED

TYPE=IReport


Reporting– IXX

REPORTAREA=IXX,DBID=n,TYPE=A(tablenamesequence)AREA=IXX,DBID=n,TYPE=B(keyid sequence)AREA=IXX,DBID=n,TYPE=D,KEYID=nnn (dumpofDXX)AREA=IXX,DBID=n,TYPE=E,KEYID=nnn (dumpofIXX)AREA=IXX,DBID=n,TYPE=G(uniquekeyvaluecount)AREA=IXXAREA,………(multi-datasetindexreports)

Reminder:MUFmustbeup

Types


Reporting– IXX

INDEX POPULATIONREPORT- BYTABLETABLE KEYID KEYNAME RECORDS COMMENTSPAY 001 EMPNO 200

PMF 001 EMPNO 200002 STZIP 200

PNC 016 PNDAT 5PNM 015 PN 3POH 011 POLI 5

012 VENDR 5013 POHTV 5014 LATE 2

REPORTAREA=IXX,TYPE=AReport


Reporting– IXX

00000001000000C3C161C4C1E3C1C3D6D461C4C261C9E7E7F0F0F0F0F140404040404040404040*CA/DATACOM/DB/IXX00001*00002000-SAME-00004000000000A00E0C01100000010000000000000000000000000000000000000000*...............................................*00006000000000000000840000000F0000000000000000000000000000000000000000*.......d......................................*000080000000000000000000000000000000000000000000000000C4C2F1F1C3E7E740*...............................DB11CXX *

00000002000000FF01000000000000000000000F6F0000000D002C003E004D005C000D00000000*.............?.........(.*..................*0000200000000000000000000000000006000000030001F0F0F1F50200000000040002*....................0015...................*0000400000000500020101000000060B000200000007000C0101000000080D00020000*...............................................*0000600009000E01010000000A0F01010000000B1000020000000C038F00020000000D*...............................................*

REPORTAREA=IXX,KEYID=nnn,TYPE=DandEReport


Reporting– IXX

INDEXPOPULATIONREPORT- BYTABLETOTALUNIQUE

TABLEKEYIDKEYNAME RECORDS RECORDS DATE/TIMEPAY001EMPNO200 10/07/2014,14.40.28

200PMF001EMPNO200 10/07/2014,14.40.29

200002STZIP 200 10/07/2014,14.40.29

68

REPORTAREA=IXX,TYPE=GReport


Reporting– LXX

LOGFILE(LXX)OUTPUT

LOGFILEOPEN- YESLOGFILESPILLING- NOLOGFILESPILLPENDING- NOMASTERLISTRCVOPTION- NEVERLOGFILEHIGHESTTRANSACTIONSEQUENCENUMBER- 00001BE3CYCLESTARTDATE- /00/0000CYCLESTARTTIME- .00.00

REPORTAREA=LXXReport


Reporting– LXX

FIRSTBLOCKUSEDTHISCYCLE- 00021A00CURRENTLOGBLOCK- 00007B01PHYSICALBLOCKSUSEDTHISCYCLE- 184RESTARTFORWARDSCANBLOCK- 00007B00LOGPENDINGPARAMETER- 100LOGFILEBLOCKSIZE- 27,998PHYSICALBLOCKSIZE- 27,998PHYSICALBLOCKSPERLOGICALBLOCK- 1LOGVARIABLE- NO

REPORTAREA=LXXReportcontinued


Reporting– RXX

AREA=RXX,LOGPRINT=SUMMARY/DETAIL/DETAILXAREA=RXX,TSNPRINT=SUMMARY/DETAIL/DETAILX

Filterkeywords:BLOCK= DBID=nnnn JOBNAME=OPTION2= RANGEDT= RANGETSN=RECORDS= RUNUNIT= STARTAFT=TABLE= TSNPRINT= URINUM=

REPORTAREA=RXXReport


Reporting– RXX

REQUESTSUMMARYREPORTCOMMANDTABLEDBIDAREAOCCURRENCESPERCENTCLOSE 44 0.0LOGDW 21 0.0MOVEROEVT161EVT7,030 32.1ADDIT C01781A01175 0.3DELET C01781A0172 0.1UPDAT C01781A01100 0.2ADDIT C02781A018,625 16.8DELET C02781A015,351 10.4MOVERU C02781A013 0.0UPDAT C02781A0127 0.0

REPORTAREA=RXX,LOGPRINT=SUMMARY


Reporting– RXXcontinued

LOGPRINTDETAILREPORTCMDTBLDBIDURIBLOCKL#TSNJOBNAMER-UNITMPUSERIDAREAMONITORINFOINPUTRECORDFPRLXX

DATETIMECLOCKSEC.USERMOVETOLRIDPREVLRSNLBSNTASKSTATUSRECLDATA

DELETC02781000050ED0000280C0000001BD3DBAJDEL31,365CATBPPRA01109/24/201208.59.08CA38271D7674D525JOHAL0100000000000002010002575A00000923000002581B01386C7C

DELETC02781000050EE0000280C0000001BD3DBAJDEL31,365CATBPPRA01209/24/201208.59.08CA38271D7677B925JOHAL0100000000000002020000020100000924000002581B01386C7C

DELETC02781000050EF0000280C0000001BD3DBAJDEL31,365CATBPPRA01309/24/201208.59.08CA38271D76799025JOHAL0100000000000002030000020200000925000002581B01386C7C

REPORTAREA=RXX,LOGPRINT=DETAIL


Reporting– RXXcontinued

LOGPRINT DETAILX REPORT

CMD TBL DBID URI BLOCK L# TSN JOB NAME R-UNIT MP USER ID AREA MONITOR INFO INPUT RECORD FPR LXX

DATE TIME CLOCK SEC.USER MOVE TO LRID PREV LRSN LBSN TASK STATUS RECL DATA

DELET C02 781 000050ED 0000280C 00 00001BD3 DBAJDEL 31,365 CATBPPR A01 1

09/24/2012 08.59.08 CA38271D7674D525 JOHAL01 00000000 00000201 0002575A 00000923 00000258 1 B 016C7C

492000 00000138 CA38271D 7674D525 00000000 000000C4 00010001 010C0002 57000000 *.........N........D............*

492020 02570000 00000000 05700000 02011800 00000924 12085908 00050E65 00000000 *...............................*

492040 C4C5D3C5 E3C3F0F2 C1F0F100 00000054 030D0066 000050ED 00000000 00000000 *DELETC02A01....................*

492060 00D1D6C8 C1D3F0F1 4003C3C1 E3C2D7D7 D9400000 00000000 00000000 00000000 *.JOHAL01 .CATBPPR .............*

492080 00000000 C4C2C1D1 C4C5D340 0002575A 40404000 00000000 0000D3D6 C3C1D340 *....DBAJDEL ...! ......LOCAL *

4920A0 40400400 20730000 00001BD3 00001BD3 00000923 00023D00 0000280C 00000257 * .........L...L...............* 4920C0 00000258 00000000 00000000 00000000 00600066 00001BD2 000050ED C3F0F240 *................-.....K....C02 *

REPORTAREA=RXX,LOGPRINT=DETAIL


Reporting– PXX– StronglyrecommendMUFstartupoptionSYSOUT– IfSYSOUTused,onlydatainPXXisMUFEOJreport– IfMUFstartupoptionPXXSTATEOJPRTused,EOJreportisalsowritten

toaSYSOUTdataset– PXXSUMMARYdataalsoinDSTtableswhileMUFup– DBUTLTYAUTOINFOSYPRINTalsocontainsthisinformation

REPORTAREA=PXXJOBSTAT=SUMMARY/DETAIL/DETAILXSYSSTAT=SUMMARY/DETAIL/DETAILXDUMPS=FULL/REQUEST/TRACE,RTNCODE=nnn


Reporting– Memory

MEMORY=MVSReportOPERATINGSYSTEMz/OSV1.13PROCESSOR2817SYSTEMCA31CADATACOM/DBSUBSYSTEMISPRESENT

COMMONMEMORYUSAGE(NOTSVCORMUFSPECIFIC)ADDRESSSIZETEXT00C5CD6436SSCT'DB'ANDSMALLANCHOR3A5FB000384DBNSDBNBLARGEANCHOR3A2600002082DBESPPR12CROSSMEMORY00C39000632DBSSVPR12SUBSYSTEM

MUFNAMESTATUSRELJOBNAMEJOBIDCXXNAMESVCCOMMON31ENBL-MDHMSCOMMENTSAAACMU11DISABLEDUNKN.2310COMMON24=192BOL41MUFENABLED12MSMMUFJOB36409CAMSM239101761031104757DS=00044MUFBOL50MUFDISABLED12MSMMUFJOB47671CAMSM23910176DS=00028MUF

REPORTMEMORY=MVS/DS/CF


Reporting– DataNativeEfficienty (DATANE)

DBID=nnnn,TABLE=ttt,RECORDS=nnnnn

ReportPart1:

Base:161****************************************************************************Directory:DB11CXX

TBLAREAKEYCMPUSERCOMPRESSIONRECLNRECORDSBLKSIZETRACKSTOTBLKSINUSEBLKSPARTBLKS

EVTEVT EVTKN 513103,5287,4762,50017,50012,5155,706

SCANMAXROWS/BLOCK14#ROWSREAD 98,593

REPORTTYPE=DATANE


Reporting– DATANEcontinued

ReportPart2:*------- BLOCK -------* PBC 1429 MRB *-MAX ROW/BLK EFFICIENCY RATES WITH BUFFERS -*

GROUP ROWS BLOCKS MAX MIN AVG BLOCK EFF 2 4 8 12 16 20 24 28 32 48 64 96 128 256

READ W/DATA ROWS ROWS ROWS CHANGES % % % % % % % % % % % % % % %

1 20,000 4,288 14 1 5 13,365 11 13 14 15 16 17 19 21

2 20,000 4,216 14 1 5 16,714 9 17 18 19 20 21 22 23 24

3 20,000 4,110 14 1 5 14,265 10 17 18 19 20 21 22 23 24 25 26

4 20,000 2,783 14 1 7 7,217 20 33 34 36 37 38 39 42 44 45 46 47

5 20,000 2,578 14 1 8 6,067 24 37 38 41 42 43 46 48 49 51

6 3,528 411 14 1 9 789 32 54 57 60 61 62

____________________________________________________________________________________________

FULL TABLE

MRB 103,528 10,821 14 1 10 58,417 13 20 21 22 23 24 26 27 28 29 30

AMRB 103,528 10,821 14 1 10 58,417 19 30 31 33 34 35 38 39 41 42 44

REPORTTYPE=DATANE,DBID=nnnn,TABLE=ttt,RECORDS=nnnnn


Reporting– DATANEcontinued

ReportPart3:*------- BLOCK -------* PBC 1429 MRB *-MAX ROW/BLK EFFICIENCY RATES WITH BUFFERS -*

GROUP ROWS BLOCKS MAX MIN AVG BLOCK EFF 2 4 8 12 16 20 24 28 32 48 64 96 128 256

READ W/DATA ROWS ROWS ROWS CHANGES % % % % % % % % % % % % % % %

1 20,000 1,429 14 8 14 1,429 100

2 20,000 1,430 14 2 14 1,429 100

3 20,000 1,429 14 10 14 1,428 100

4 20,000 1,430 14 4 14 1,429 100

5 20,000 1,429 14 10 14 1,428 100

6 3,528 253 14 2 14 252 100

____________________________________________________________________________________________

FULL TABLE

MRB 103,528 7,395 14 12 14 7,395 100

AMRB 103,528 7,395 14 12 14 7,395 100

REPORTTYPE=DATANE,DBID=nnnn,TABLE=ttt,RECORDS=nnnnn


Reporting– DatasetIdentity

DATA SET IDENTITY INFORMATION DEVICE INIT DATE TIME CXX NAME

DIRECTORY CXX R12 LEVEL 01 DB 3390 20120921 103605 DB11CXX

000000 C3C160C4 C1E3C1C3 D6D461C4 C261C3E7 E7404040 40404040 40404040 40404040 *CA-DATACOM/DB/CXX *

000020 C4C2F1F1 C3E7E740 0005121C 110C0000 0002000F 00000000 00000000 0010C4C2 *DB11CXX ......................DB*

000040 0E0C1000 00000000 00000000 00000000 C4C2C1D1 C3E7E7D3 00000000 20120921 *................DBAJCXXL........*

000060 10360540 40404040 00000000 00000000 00000000 00000000 00000000 00000000 *... ........................*

000080 00000000 00000000 00000000 00000000 C4C2C1D1 F0F0F1D9 00000000 12103110 *................DBAJ001R........*

0000A0 41122040 40404040 00000000 00000000 0004B000 00027800 00000000 00000000 *... ........................*

0000C0 00000000 01000000 00000000 00000000 F8D48F77 EB5B1BD6 138F94A1 FC2F4143 *................8M...$.O..m.....*

0000E0 0AE10E9B F6CE4FD8 421B101C 00000000 00000000 00000000 00000000 00000000 *....6..Q........................*

000100 00-SAME-

000EE0 00000000 00000000 00000000 00000000 00000000 00000000 00000302 00017F02 *..............................".*

000F00 00027502 00027602 0001EB02 00027702 00000000 00000000 00000000 00000000 *................................*

000F20 00-SAME-

REPORTTYPE=U,DDNAME=indd


Recovery

§ SPILL– MUFstartupoptionLOGRCVNOonly– JCLmustcontainanRXXDDstatement

§ SPILLOPT– SPILL=MIN/MAX,HISTORY=NO/YES-FAIL/YES-RC0/YES-RC4

§ RXXFIX– CYCLE=cccccccccc,DBID=nnnn,HISTORY=NO/YES-FAIL/YES-RC0/YES-RC4


Recovery

§ RECBASE– DBID=nnnn,TABLE=ttt

§ RECJOB– JOBNAME=job-name,NODE=n,ORIGRUNU=rununit,DATE=mmddyy,

STIME=hhmmss,ETIME=hhmmss

§ RECOVERY– ForwardorBackward– OneormoreRECBASEandorRECJOBfunctionmustprecede

RECOVERYfunction

Continued


Recovery

§ RECOVERYOPTION=FORWARD,MISMATCH=FAIL/IGNORE,INDEX=YES/NO,NUMBER=0-9999,UPDATE=YES/NO,MULTUSE=NO/YES,DBID=nnnn,AREA=aaa,REPORT=ALL/ERRORS,RECID=NO/YES,FORCE=NO/YES,RANGEDT=ccyymmddhhmmssccyymmddhhmmss

Continued


Recovery

§ RECOVERYOPTION=BACKWARD,MISMATCH=FAIL/IGNORE,INDEX=YES/NO,NUMBER=0-9999,SORT=nnnnnnn,OPTION1=NOF/’(I)’/’(U)’,SORTWK=0-99,TASKID=nnnnn,REPORT=ALL/ERRORS,TERMID=tttt,UNIT=sysda,TSN=nnnnnnn,FORCE=NO/YES,RANGEDT=ccyymmddhhmmssccyymmddhhmmss

Continued


Accounting

§ ACCTOPTION=EDIT– DATABASE=dd-entity-occ-name,DDOVER=version,STATUS=status– TABLE=dd-entity-occ-name,DDOVER=version,STATUS=status

§ ACCTOPTION=CATALOG– DATABASE=dd-entity-occ-name,DBID=4


Accounting

§ ACCTOPTION=OPEN– TABLE=ALL/Ann

§ ACCTOPTION=CLOSE– TABLE=ALL/Ann

§ ACCTOPTION=SPILL– TABLE=ALL/Ann

Continued


ErrorHandling

§ SETOPTION1=– ON-ERROR-CONTINUE– ON-ERROR-STOP– ON-ERROR-ABEND– ON-ERROR-RCn– ON-ERROR-REMOVE– SNAPALL– SNAPERR

§ Maybeenteredinanyorder§ EachsubsequentSETsupersedes/replacesprevious


ResourceMeasurementandMonitoring

§ AUTOCOLLECTOPTION=SNAPSHOT– MUFNAME=muf-name,DBID=1019/nnnn

§ AUTOCOLLECTOPTION=DELTACRE– OPTION=DELTACRE,DBID=1020/nnnn

§ AUTOSTATUSMUFNAME=muf-name– DBID=1018/nnnn,REPEATS=3/0-64800,OUTTAG=cccccccccccccccc,SNAPEXCL=DURATION0/HEADER/NOTACTIVE/REPCONNECT/WARNMSG


ResourceMeasurementandMonitoring

§ AUTOINFODDNAME=outdd,DELIMIT=;– CreatesbothaSYSOUTreportandadataset– ContainsMUFconfigurationinformation– ContainsMUFresourceusagesnapshot– RunafterMUFhasbeenupforanextendedperiod– HelpsCASupportunderstandinganenvironment’sconfiguration

andusage

Continued


MiscellaneousFunctions

§ DBTEST§ EDIT§ SECURITYOPTION=RESET,USER=xxx


DBMSTLST

§ Assembledandlinkedduringinstallation§ Tailoredasneeded§ Limitednumberofparameters


DBMSTLSTParameters

§ CXXNO§ IXXNO

DXXNO§ DATANO§ DATALN§ SMFRTY(z/OS)


ModuleSummary

§ ExplainthepurposeofDBUTLTY§ PerformimportantDBUTLTYtasks§ GenerateDBUTILTYreports


Module6:RoutineOperations


Agenda

NAMETHEMAJORROUTINEOPERATIONALTASKS

IDENTIFYAREASTOBACKUP

1

2


RoutineOperationsConsiderations

§ InitiatingtheMulti-UserFacility(MUF)

§ DisplayingtheMUFstatus

§ StoppingtheMUF

§ Backups

§ Restores/Reorganizations


InitiatingtheMulti-UserFacility

§ JoborStartedTask

§ MUFStartupjobtypicallyhastwosteps– DBMUFPR– DBUTLTYREPORTAREA=PXX

§ DBUTLTYstepnotneededifMUFStartupOptionsSYSOUTandPXXSTATSEOJPRT arepresent


DisplayingMUFStatus

§ MUFconsolecommands

§ DBUTLTYCOMMcommands

§ DynamicSystemTables

§ CASYSVIEWPerformanceManagement(z/OS)


MUFConsoleCommands

§ Issuez/OS‘/f’(MODIFY)command§ STATUS

– DisplaysstatusofMUF,taskthreads,activejobsDB01311I- STATUSDB01327I- MULTI-USERAVAILABLE,TASKS- ATTACHED----12,AVAILABLE----2411/01/1211:31:02DB01328I- TIMEI/OJOBNAMER-UNITTASKCMD-DBID-TBLSEQSTATUSIDTSNDB01330I- DDDQC12596801NOTACTIVE12

§ STATSall/dbid/dbid-dbid– WritesMUFin-memorydatabasestatisticstotheCXX


MUFConsoleCommands

§ REQABORT– CancelsaspecificMUFrequestbyrequestnumber

§ TSN_ABORT– CancelsaspecificMUFrequestbytransactionsequencenumber

§ TASK_ABORT– CancelsaspecificMUFrequestbytasknumber

§ Othercommandsavailable

Continued


DBUTLTYCOMMCommands

§ Samefunctionalityasconsolecommands§ ExecuteinbatchaspartofDBUTLTY§ OutputgoestoSYSPRINT§ COMMOPTION=CONSOLE,OPTION2=‘consolecommand’


DynamicSystemTables

§ TablesexistasvirtualSQLviews§ TableinformationextractedfromCADatacom/DBmemory§ TablesonlyaccessibleviaSQLSELECTsorCASYSVIEW

PerformanceManagementdisplaypanels§ FullMUF,CXX,PXX,LXX,SQLstatusinformationavailable§ Someareupdateable§ BeginninginVersion14.0,SQLWebConnectfacilityavailable

fornon-SQLlicensedsites


CASYSVIEWPerformanceManagement(z/OS)

§ ProvidesanintegratedinterfaceformonitoringMUF

§ Commandscanbeissuedfromonlineorbatch(TSO)

§ RetrievesinformationfromCADatacom/DBDynamicSystemTables

§ UsesstandardAPIforcompatibilitywithfuturereleasesofCADatacom


StoppingtheMulti-UserFacility

Issueaz/OS“/f“(MODIFY)

EOJ- RequestMulti-UsernormalEOJ– Waitsforexistingtaskstocomplete– Nonewtaskscanstart

EOJOFF– ReversesEOJrequest

SamefunctionsinbatchDBUTLTY


Backups

§ CXX§ DD/DDD§ LXX/FXX§ VLSfiles§ Indexareas§ Dataareas


BackupsCXX

– Backupnightly– Criticaldataset– UseDBUTLTYorDASDutility

DD/DDD– BackupinconjunctionwithCXX– UseDBUTLTYorDASDutility

LXX/FXX– SpilltoRXXusingDBUTLTY– CanbebackedupusingDASDutility,butsynchronizationissuescould

bedifficultsonotrecommended


Backups

§ VLSfiles– Datadictionary

§ DDMAP,DDOL2– IPC

§ ADRPNL,ADRLIB,ADROUT– Ideal

§ IDLSRC,IDLOBJ,IDLPNL,IDDAT,IDDVW

§ WithIDEALbackupVLS,DD,DDDtogether

§ Criticalforonlineprocessing

Continued


Backups

§ IXXareas– One(oroptionallymore)perdatabaseID– NoDBUTLTYbackupfunction– CanuseDASDutilitytobackup– DBUTLTYRETIXrecreatesIXXfromDATAareabytableorbase– DBUTLTYLOADalwaysrebuildsIXX

Continued


Backups

§ Dataareas– BackupasneededusingDBUTLTYorDASDutility– DBUTLTYBACKUP

§ PHYSICALcreatesimagecopy– Primarytypeofbackupusedinrecoveringdataareas

§ NATIVEprimarytypeofbackupusedforreorganization§ UseREORGforlargedataareas

– DBUTLTYEXTRACTproduces"flat"fileofalldatarecords– DASDutilitycanbeused,specialconsiderations- can’trestoreto

devicesofdifferenttracksizes

Continued


Restores/Reorganizations

§ CXX§ DD/DDD§ LXX/FXX§ VLSfiles§ Indexareas§ Dataareas


Restores/Reorganizations

§ CXX– Restoreonlyifneeded– DBUTLTYcanrestoreeitherentireCXXoraselecteddatabase– DASDutilityrestoresentiredataset– SynchronizationwithDDandDDDrequired

§ DD/DDD– RestoreinconjunctionwithCXX– UseDBUTLTYorDASDutility

§ LXX/FXX– NoDBUTLTYfunction,onlyrestoredbyDASDutility– Notusuallydone(possiblyusedfordisasterrecovery)

Continued


ModuleSummary

§ Namethemajorroutineoperationaltasks§ Identifyareastobackup


Module7:LoggingandRecovery


Agenda

EXPLAINLOGGING

EXPLAINPIPELINING

DESCRIBEFORWARDANDBACKWARDRECOVERY

HOWTOACTIVATELOGGING,RECOVERYANDPIPELINING

1

2

3

4


LoggingandRecoveryFacilities

§ Logging§ Transactionbackout§ Pipeline§ SpillingtheLog(LXX)§ Forcedcheckpoint§ ForcedSPILL§ Restart§ Recovery


Logging

§ Logsbothonlineandbatchtransactions§ Optionalbytable§ Usersmayalsologtheirownrecords§ Usercheckpointing


ImplementingLoggingFacility

§ Loggingduringinstallation– SmallLogArea(LXX)– Norecoverycapability

§ Productionsystemrequirements– LogAreaofsufficientsize– Recoverycapability


ImplementingLoggingFacility

§ Implementationsteps– AllocateandinitializeLXX

§ Logblocksize16Korgreater§ Minimumof103logicalblocks

§ Variableloggingstronglyrecommendedandrequires32,760blocksize

– AllocateandinitializeFXX§ MustbesameblocksizeasLXX

§ Allocationdependentontasks

– ReviewrelatedMulti-Userstartupoptions(discussedlaterindetail)

Continued


LogRecord

§ Controlinformation§ Pre-updaterecordimages§ Transactionimage


RequestsThatGenerateLogBlocks

§ ADDIT§ UPDAT§ DELET§ LOGITandLOGDW§ DEQUE– internalcommandissuedbyCADatacomCICS

Servicesattheendofatask,performssamefunctionasCOMIT

Continued


Log-RelatedStartupOptions

§ LOGPEND§ LOGOPTION§ LOGPOOL§ LOGRCV§ LOGSPILL


ImplementingTransactionBackout

§ Defineloggingattributesfordesiredtables§ CodeTXNUNDOinprograms’UserRequirementsTable§ EnsureLogAreasizeisadequate


TransactionBackout Processing

§ Invokedbyanyoneofthefollowing:– CADatacom/DBafteraprogramabend

§ WhenTXNUNDOiscodedintheURT– ApplicationprogramissuingaROLBKcommand– RestartingMUFafterasystemabendwhentransactionbackout tasks

wereactiveatthetimeoftheabend


ImpactonExclusiveControl

§ WithoutTransactionBackout– Readwithupdateintent– Obtainprimaryexclusivecontrol– Updatecompletes– Primaryexclusivecontrolisdropped


ImpactonSecondaryExclusiveControl

§ WithTransactionBackout– Secondaryexclusivecontrolisdroppedwhen:

§ Taskcompletes§ Or,COMITisissuedbyprogram


LoggingandPipeline

§ SystemLevel– LOGPENDstartupoption– maximumnumberofblockswithpipelinependingtransactionsLOGPEND2000

§ TaskLevel– URTWRITE=parameter§ NO- Deferredwrite- Pipelineactive§ YES- Immediatewrite- PipelineInactive§ TaskLevelNOoverridesTableLevelY§ TaskLevelYESdoesnotoverrideTableLevelN

§ TableLevel– PIPELINE-OPTION=Y/N– Datadictionarytableentityoccurrenceattribute


ConditionsCausingWrites

§ DataandIndexAreawritesoccurwhen:– Buffercontainingpipelinedrecordsrequiredforreuse– UserRequirementsTableclosesuponajobcompletion– Logblockcontainingrecordofupdatetransactionhasexceeded

LOGPEND=value– IndexAreablocksplitsbecauseofmaintenance– Spillofassociatedlogrecordsoccurs– DBUTLTYLOCK/UNLOCKCOMBINATION– DBUTLTYACCESSstatuschange


ConditionsCausingWrites

§ LogAreawritesoccurwhen:– AssociatedIndexordataareablockiswritten– Logblockinmemorybecomesfull– DEQUE,ROLBK,COMIT(ifrequested),orforcedcheckpointoccurs

Continued


Spilling(orArchiving)theLog

§ LXXblocksarecopiedtotheRXXdataset(s)

§ Onlycommittedupdatesarespilled

§ Onlycontiguousspillable blocksarespilled

§ WhentheLXXisfull,forcedcheckpointorforcedspillmayoccur


ActiveSpilling

§ MUFautomaticallyspills

§ LOGRCV=YES

§ Requiresdedicatedtapedevice

§ NotallowedifMUFPLEXstartupoptionpresent


ActiveSpillingContinued


InactiveSpilling

§ Spilloccursinaseparateregion

§ MUFstartupoptionLOGRCV=NO

§ DBUTLTYfunctionSPILL

§ DBUTLTYfunctionSPILLOPTSPILL=(MINorMAX)


ActiveSpillingContinued


NeverSpill

§ NothingiswrittentoRXX

§ MUFstartupoptionLOGRCV=NEVER

§ Goodfortestsystems

§ AllowsRESTARTandtransactionbackout uptoLXXcapacity

§ MakesureLXXislargeenoughtohandlethelargestamountofworkbetweenCOMITs(orbepreparedtorestore)

§ Recoveryisnotpossible


NeverSpillContinued


LogSpillOptions

§ LOGSPILL35,100,20,30,20

§ LOGSPILL(a)– beginconsolemessagepercent

§ LOGSPILL(b)– earlyforcedcheckpointpercent

§ LOGSPILL(c)– beginSPILLpercent(LOGRCV=YES)

§ LOGSPILL(d)– %oflogfulltomovelastrequesttoFXX

§ LOGSPILL(e)– %oflogfulltomoveactiverequeststoFXX


LoggingPerformanceConsiderations

§ LXXusuallymostaccesseddataset

§ LargerLXXblocksizeswillreduceI/O

§ StronglyrecommendvariableLXX§ INITAREA=LXX,BLKSIZE=32760,VARIABLE=YES

§ Entiredatabasemustbedisabledforforwardrecovery

§ LOGPENDmayimpactRESTARTruntime


RXXMessages

§ DB00308ILOGAREAIS50%FULL,150BLOCKSSPILLABLE– Occursininactiveloggingonly– Canoccuronlyonceperspill– BatchSPILLexpectedatthispoint– BaseduponLOGSPILL(a)


RXXMessages

§ DB00309ILOGAREAIS50%FULL,JOBxxxxxxxxPREVENTINGSPILL– BaseduponLOGSPILL(a)– Spillnotcurrentlypossible

Continued


RXXMessages

§ DB00310ILOGSPILL3-1,BLOCKS2-96,TIMES050103070000-050103100811– Aftereachspill– Informationaboutwhatwasspilled

Continued


RXXMessages

§ DB00311ILOGAREAIS60%FULL,SPILLINGBLOCK50,OUTOF200– Ifnospill,messagerepeatseveryadditional5%fullupto90%– Ifnospill,messagerepeatseveryadditional1%fullafter90%– ‘Outof’valuegrowsuntilspillstarted– Blockshowsas'none'untilspillstarted– ‘Block’replacedby‘Track’ifvariableloggingused

Continued


ForcedCheckpoint

§ WhenLXXfills,MUFupdateswaitforaspill

§ Activelogicalunitsofworkcannotbespilled

§ Ifaspillisexecuted,MUFwillcheckpointallactiveLUWsthatarepreventingaspill

§ Secondaryexclusivecontrollocksarereleasedforcheckpointed records

§ FXXcontainsloggingrelatedinformationthathasbeenforcedfromtheLXX


ForcedCheckpoint

§ SettingMUFStartupparameterLOGSPLL(b)withavaluelessthan100%couldallowaforcedspillbeforeLXXisfull

§ Iftransactionbackout requestedforatask:– UndoallupdatesstillonLXX– PostmessagerequestingBACKWARDrecoverybeexecutedfortask

nnnnnn (RXXROLLBACK=YES)– Whenrecoverycompletes,recordlocksarereleased

Continued


ForcedSPILL

§ MUFStartupparameter– RXXROLLBACK=YES(default)

§ WhenLXXfills,MUFupdateswaitforspill

§ Activelogicalunitsofworkcannotbespilled

§ IfaSPILLisexecuted,MUFwillspillallactiveLUWswithoutdoingacheckpoint

§ Secondaryexclusivecontrollocksremain


RESTART(atStartup)

§ Rollsforwardincompleterequests

§ Backoutincompletelogicalunitsofwork

§ Databasesnotinvolvedinbackout areimmediatelyavailable

§ ResetsLXX


RECOVERYUtility

§ RecoveryfromRXXonly

§ Forwardandbackwardrecoveryavailable

§ Restoreofbackuprequiredforforwardrecovery

§ Multipleoptionstoselectextentofrecovery– RECBASEDBID=,TABLE=– RECJOBJOBNAME=,DATE=,STIME=,ETIME=– RECOVERYOPTION=(FORWARD/BACKWARD),RANGEDT=,FORCE=


BackupsforRecovery

§ DBUTLTYbackups,PHYSICALwithRECID=YESonly

§ DASDtoolbackupsareOK– Ifbackupdonewithdatabaseclosed

§ Canrestoreindexdatasetalso§ orrunDBUTLTYINITandRETIXoncealldatarestored

– Ifbackupdonewithdatabaseactive§ MustdoDBUTLTYINITandRETIXafterrestore

§ Frequentbackupsminimizeforwardrecoverytime


ProcedureforForwardRecovery

§ Closedatabasetoallprocessing

§ SpillLXXrecordstoRXX

§ DASDtoolrestoreofDBUTLTYLOADmostrecentbackupspriortorecoverypoint

§ LocateallapplicableRXXfiles

§ Runrecovery

§ Reviewoutput


ProcedureforBackwardRecovery

§ Recommended,butnotrequired:– Closedatabasetoallprocessing– Backupexistingdatabase

§ SpillLXXrecordstoRXX

§ LocateallapplicableRXXfiles

§ Runbackwardrecovery

§ Reviewoutput


INDEX=NO

§ LOADandRECOVERYoption

§ IXXisnotupdatedduringtheLOADortheRECOVERY

§ MayimproveRECOVERYtime

§ RequiresRETIXafterRECOVERY


ModuleSummary

§ ExplainLogging

§ ExplainPipelining

§ DescribeForwardandBackwardRecovery

§ HowtoactivateLogging,RecoveryandPipelining


Module8:BatchandOnlineProgramAccess


Agenda

NAMEANDEXPLAINTHETHREEBATCHPROGRAMACCESSMETHODS

DESCRIBETHEROLEOFTHEURT

CREATEADYNAMICBATCHURT

CREATEANONLINEURT

CREATEASTATICBATCHURT

1

2

3

4

5


BatchProgramAccess

§ 3ApplicationProgramInterfaces(APIs)– EachAPIissuitedtoarangeofapplications– EachAPI'sfunctionalityoverlapswiththeotherAPIs– Youcanbesuccessfulwithwhicheveroneyouuse– Youmayevenchoosetouseallthree


WhichOneShouldIUse?

§ RAAT(RecordAtATime)– Commandsbasedonretrieval/updateofaspecificrowbyaspecifickey

value

§ SAAT(SetAtATime)– Commandsbasedonretrieval/updateofaspecificsetofrowswithin

onetablewhereaspecifickeypathcanusuallybefound

§ SQL(StructuredQueryLanguage)– Commandsbasedonretrieval/updateofsetsofrowsinvolvingmultiple

tableswithcomplexselectioncriteriawherespecifickeypathsmaynotbeavailable


NavigationalProgramAccess

§ CallLevelProgramming

§ RAAT

§ SAAT

§ URTs


CallLevelProgramming

§ RAAT– CALL'DBNTRY'USINGuser-info,request-area,work-area,element-list

§ SAAT– CALL'DBNTRY'USINGuser-info,request-area,work-area,element-list,

request-qualification-area

§ Returncodefields– Return-code– Internal-return-code


NavigationalProgramAccess:RAAT

§ Record-at-a-timeaccess

§ ALLaccessbykey

§ RequiresuseofaURT

§ Languagessupported– COBOL,Assembler,PL/I,C


TypesofRAATRequests

§ Indexonly

§ Recordretrieval

§ Recordretrievalforupdate– Primaryexclusivecontrol

§ Update/Delete– Secondaryexclusivecontrol


TypesofRAATRequests(contd.)

– LOCKG– locateindexentryequaltoorgreaterthankeyvalue– REDKG– Readdatarowequaltoorgreaterthankeyvalue– RDUKG– Readandlockdatarowequaltoorgreaterthankeyvalue– REDNX– Readrowwithnextequalorhigherkeyvalue– ADDIT– Addarow– UPDAT– Updatearow(mustbelockedusingRDUxx commandfirst)– DELET– Deletearow(mustbelockedusingRDUxx commandfirst)– COMIT– Commit/checkpointalladds,updatesordeletestothispoint– OPEN– Openatableforaccess– CLOSE– Closeatable(servesasaCOMITifmaintenanceperformed)– GSETL/GETIT– Batchsequentialreadahead

RAATCommandExamples


TypesofRAATRequests

§ Readforupdate(RDUxx)commands– Primaryexclusivecontrolperrowread

§ Sequential/Physical"readaheadwithupdate“(GSETL/GETIT)– Primaryexclusivecontrolperrowreturned

§ Insert,updateanddeletecommands– SecondaryexclusivecontroluntilCOMITorCLOSE

Continued


NavigationalProgramAccess:SAAT

– Set-at-a-timeaccess– Chooseskey(s)touse– Maybuildatemporaryindex– Accesslimitedtoonetable(nojoins)– Processessetsofrecordsforretrieval– Record(s)canbeupdated/deleted– WillissueRAATcommandsforretrievalwhenpossible– Languagessupported– COBOL,Assembler,PL/I,C,invokedinternallybyCAIdealand

CADataquery forCADatacom

CompoundBooleanSelection


NavigationalProgramAccess:SAAT

§ SAATcomprisedof6commands

§ Normalsetcommands– SELFR(Selectfirstrecord)– SELNR(Selectnextrecord)– SELPR(Releaseset)

§ Specialcommands– SELCN(Continuesetrecordselection)– SELSM(Selectsamerecord)– SELST(Stopsetrecordselection)

Continued


NavigationalProgramAccess:URTs

§ UserRequirementsTable(URT)

§ Requiredforallprogramaccess– RAAT– SAAT– SQL

§ DefaultURTforSQLaccess



§ SpecifiesCADatacom/DBresourcesforprogramexecution– Tablesprogrammayaccess– Tablesprogrammayupdate– Sequentialprocessingbuffers– Transactionbackout requirements– ProcessingprioritywithinMUF

Continued



§ STATICURTsrequireall4macrosinoneassembly– DBURINF(oneinstance)– DBURSTR(oneinstance)– DBURTBL(onepertable)– DBUREND(oneinstance)

Continued



§ DYNAMICURTsrequiretwoseparateassemblies– MUFInterfacecomponent

§ DBURINF(oneinstance)§ DBUREND(oneinstance)

– Databasetablecomponent§ DBURSTR(oneinstance)§ DBURTBL(onepertable)§ DBUREND(oneinstance)

Continued


DBURINFParameters

§ URTABLE=– DeterminestypeofURT

§ URTABLE=ASM(StaticURT)§ URTABLE=LOAD(DynamicURT)

§ LOADNAM=DynamicURTtablecomponentloadmodulename

§ LOADPRM=DynamicURTtablecomponentEXECparametervalue

§ OPEN=DatabasetablestobeopenedbyUSERorDB


DBURINFParameters

§ MUFS=– Yes/NotomultipleMUFs

§ MUFSMSG=– 1-999issueDB00505IforeveryRC– 0nomessage

§ RRS=– Yes/NoinvokeResourceRecoveryServices

§ USRNTRY=– UserprogramentrypointwhereURTreturnscontrol

Continued


DBURINFParameters

§ BACKSPT=– SupportforCADatacom/DBentrypointsusedinpriorreleases

§ DBMODS=– Rent/Norent

§ LE=– Languageenvironment

Continued


DBURSTRParameters

§ AUTHID=– ForSQLprograms,providessystemdefaultoverride

§ DB00101=– Startedmessage,yesorno

§ CBSIO=– SELFRcommandI/Ointerruptlimit

§ TXUNDO=– Maintenancetransactionbackout ineffectforalltables,yesorno

§ CSECT=– AllowslinkingofmultipleURTsassingleloadmodule


DBURSTRParameters

§ JOBSTAT=– Multi-Usertosavejobstatistics,yesorno

§ OPTMIZE=– ClosejobwithoutwritingPXXstatistics,yesorno

§ MULTUSE=– Multi-Usermode(default)orSingleUsermode,yesorno

§ WRITE=– Immediatelywritemaintenancetransactionstodisk,yesorno– YESdisablestheMUFpipelinefeature

Continued


DBURSTRParameters

§ PRTY=– PrioritylevelwithinMulti-User

§ NO522=– Allow522timeouts,yesorno

§ SIDNAME=– UsedformultipleMUFaccess(Multi-MUFfeature)

§ TIMEMIN=– Exclusivecontrolwaittimeinminutes

§ TIMESEC=– Exclusivecontrolwaittimeinseconds

Continued


DBURTBLParameters

§ TBLNAM=– 3-characterDatacomtablenameorcharacters‘BASE’

§ UPDATE=– Maintenanceallowedbyapplication(s)usingthisURT,yesorno

§ SYNONYM=– SameDatacomtablenameusedinmorethanonedatabases,yesorno

§ TABLES=– NumberoftablestoopenwhenTABNAME=BASE(1-999)

§ DBID=– DatabaseIDwheretableresides


DBURTBLParameters

§ DBIDMUF=– DBIDasknowntoMUF

§ DBIDUSER=– DBIDasknowntoapplicationprogram

§ AUTODXC=– Automaticallydropexclusivecontrol,yesorno

§ BYPOPEN=– BypassedopenandcloseprocessingfortablenamedintheTBLNAM=

parameter,yesorno

Continued


DBURTBLParameters

§ GETBLK=– BuffersizetobeusedforGETITandGETPScommands

§ GBMAXR=– MaximumnumberrowsallowedintheblockedGETIT/GETPSbuffer

§ SEQBUFS=– #MUFdatabufferstoreserveforblockedGETIT/GETPSprocessing

§ ELMCHG=– AllowrequestareaelementlistvaluechangesbetweenGETITcmds

§ READAHD=– Indexscanningorphysicalblockscanningtobedone,yesorno

Continued


DBURTBLParameters

§ DBFLSUB=– UserRequirementsTableassociatedwithaprogramusingDBFLSUB,

yesorno§ AREANAM=

– 3-characterDatacomareanametobeloadedusingtheDBFLSUBsubroutine

Continued


DBURENDParameters

§ DBSQL=– ApplicationassociatedwiththisURTusingSQL,yesorno

§ USRINFO=– Upto16bytesofuserinfo(descriptivetextonly)

§ AMODE=– ANY,24,31,orNONE

§ RMODE=– ANY,24,31,orNONE


StaticBatchURTs

§ AllURTmacrosmustbepresentinassembly§ DBURINF§ DBURSTR§ DBURTBL(onepertable)§ DBUREND

§ AssembledURTcomponentlinkedwithuserprogram


StaticBatchMacroCoding


DynamicBatchURTs

§ Requirestwoassemblies– MUFinterfacecomponent

§ DBURINF§ DBUREND

– Databasetablecomponent§ DBURSTR§ DBURTBL(onepertable)§ DBUREND

§ MUFinterfacecomponentlinkedwithuserprogram§ Databasetablecomponentloadedatprogramruntime


DynamicBatchMacroCodingURTTITLE‘DBSURT--MULTI-USER/SINGLEDB’

Interface DBURINF XMacro URTABLE=LOAD X

LE=YES, XLOADPRM=DBURT, XOPEN=DB, XBACKSPT=NO, XCOBOL=YES

End DBUREND XMacro USRINFO=CA-INS-URT

END

URTTITLE‘DBSURT--MULTI-USER/SINGLEDB’Interface DBURINF XMacro URTABLE=LOAD X

LE=YES, XLOADNAME=DBURT031, XOPEN=DB, XBACKSPT=NO, XCOBOL=YES


END


DynamicBatchMacroCoding(contd)URTTITLE‘DBSURT--MULTI-USER/SINGLEDB’

Table DBURSTR XStart ABEND=YES XMacro MULTUSE=YES, X

PRTY=7, XTXNUNDO=YES

Entry DBURTBL XMacro READAHD=PHYSICAL, X

DBID=31, XELMCHG=NO, XGETBLK=8192, XSEQBUFS=24, XTBLNAM=CAR, XUPDATE=NO

Entry DBURTBL XREADAHD=INDEX, XDBID=31, XELMCHG=NO, XGETBLK=8192, XSEQBUFS=24, XTBLNAM=INS, XUPDATE=YES


END


OnlineProgramAccess

§ SameRAAT/SAATsupportasbatchexcept:– GSETL/GETITandGSETP/GETPSnotallowed– ProgramslinkedwithDBCSRPRorDBCSVPRinsteadofaURTmodule

§ CADatacom/CICSServicesusesURTpooltoaccessaMUF– URTmodulenameshavesameprefixwithdifferentnumericsuffixes– URTssearchedinnumericsuffixorder– URTopensdonebyCADatacom/CICSServices– URTopenscanbeautomaticallydoneatCICSstartuptime– URTclosesandopenscanbedonemanuallyafterCICSstartup


OnlineProgramAccess

§ Samereturncodesasbatch

§ SomeadditionalreturncodesforCICS

Continued


OnlineMacroCodingURTTITLE‘DBURT031’

Table DBURSTR XStart ABEND=YES XMacro MULTUSE=YES, X

PRTY=7, XTXNUNDO=YES

Entry DBURTBL XMacro READAHD=PHYSICAL, X

DBID=31, XELMCHG=NO, XGETBLK=8192, XSEQBUFS=24, XTBLNAM=CAR, XUPDATE=NO

Entry DBURTBL XREADAHD=INDEX, XDBID=31, XELMCHG=NO, XGETBLK=8192, XSEQBUFS=24, XTBLNAM=INS, XUPDATE=YES

End DBUREND XMacro USRINFO=ONLINE-URT

END


OnlineSQLAccess

§ Samecommandsupportasbatch

§ ProgramsarelinkedwithDBCSRPRorDBCSVPR

§ UsesasingleURT(usuallyDBURT020)

§ SameSQLreturncodesasbatch


ModuleSummary

§ Nameandexplainthethreebatchprogramaccessmethods

§ DescribetheroleoftheURT

§ CreatebothbatchandonlineURTs


Module9:ProblemDetermination


Agenda

LISTINFORMATIONNECESSARYBEFORECALLINGCASUPPORT

IDENTIFYPROBLEMSEVERITY

MONITORYOURISSUE

1

2

3


ProblemDetermination

§ PrepareforCASupportcall

§ Placesupportcall

§ Worksupportcall

§ Completesupportcall


PrepareforCASupportCall

§ Havemanualsavailable

§ Knowyourproduct's:– Release– CARSlevelmostrecentlyapplied– AdditionalPTFsthatareapplied

§ Knowyouroperatingenvironment– Operatingsystemrelease– CICSrelease



§ Documentation– SVCorSdump– PXXReportorMasterlist Dump(s)– ConsoleLog– MUFJESLog– Errormessages– MemoryDS(fordataspace)– DBUTLTYAUTOINFOoutput

Continued



§ Problemhistory:– Howoftendoesitoccur?– Cantheproblemberecreated?– Whathaschanged?

§ Software§ Application§ Data§ Transactionvolume

Continued


PlacetheSupportCall

§ HaveyoursiteIDready

§ Havealldocumentationready

§ UseCASupportOnline(CSO)athttp://support.ca.com orcallCASupportat800-225-5224– Opencase- retainnumber– Describeproblemandwhatdocumentationisavailable


PlacetheSupportCall

§ Establishproblempriority– Priority1 Productionsystemdownormajorbusinessimpact– Priority2 Majorcomponentdown– Priority3 Minorproblem– Priority4 Information/question

Continued


WorktheSupportCall

§ CASupportwill:– Enterallinformationprovidedifcalled– Ifopenedonline,mustcall toupgradetoseverity1ifneeded– Level1willscanexistingsolutions,problemsandcasestotryand

matchyourscenario– ProvideapplicablesolutionsorwilltransferissuetoLevel2

§ SustainingEngineering(Level2)will:– Reviewtheavailabledocumentation– Possiblyrequestadditionalinformation– Providearesolutionfortheproblem


CompletetheSupportCall

§ Updatethecontactorcallcustomertechnician– Confirmtheresolutiontotheproblem– Askthetechniciantoclosetheissue


ModuleSummary

§ ListinformationnecessarybeforecallingCASupport

§ Identifyproblemseverity

§ Monitoryourissue


Module10:CADatacomCICSServices


Agenda

DESCRIBETHEPURPOSEOFCADATACOMCICS SERVICES

RECOGNIZEPRODUCTCOMPONENTS

RECOGNIZEENVIRONMENTALCONSIDERATIONS

1

2

3


CADatacomCICSServices


ProductComponents


Transactions

§ DBOC,DBEC,DBUT,DBUGshouldbesecured§ DBOCsupportsmasteroperators§ DBRCisaninternaltransaction


Modules


Modules

§ DBEC/DBEXwithSYSID– OrCRTEeachDBOCcommand

Continued


URTPool


EnvironmentalConsiderations

§ UsesCOMMANDlevelCICScalls§ SupportsCICSReleases:

– 3.2andlaterforz/OS(DBCVersion15.0)


ModuleSummary

§ DescribethepurposeofCADatacomCICSServices

§ Recognizetheproductcomponents– Transactions– Modules– URTs

§ Recognizeenvironmentalconsiderations


Module11:MonitoringOnlineURTs


Agenda

ISSUEURT LEVELCOMMANDS

ISSUETABLELEVELCOMMANDS

UPDATETABLELEVELVALUES

UPDATEURT LEVELVALUES

ISSUEMUF LEVELCOMMANDS

1

2

3

4

5


DisplayURTsandTables


INQuiry Commands

§ DBICINQ=????.???.????– ?or??or???or????on1stand3rdparameters– FirstseriesisURTnumber– SecondseriesisTablename– ThirdseriesisDatabaseID

§ DBICINQ=type,status,when– Type STD,DYNorSQL– Status OPENED,CLOSED,FAIL– WhenAUTO,DEFER,PLT


INQuiry Commands

§ DBECI,level(????),limiter,SYSID(aaaa)– LevelisURTorTBL– ????representsURTnumber– Limiteristype,status,when,condition

§ Type DYNorSQL§ StatusCLOSE,CLOSING,OPEN,UNOPENED§ When AUTO,DEFER,PLT§ Condition NOPPT

– SYSIDisCICSregion§ Defaultislocal§ ‘*’meansallCICSServicesattachedtoMUF

Continued


URTInquiry:Example1


URTInquiry:Example2


URTInquiry:Example3


URTInquiry:Example4


DisplayURTParametersUsingDBEC/DBEX§ DBEXI,URT(001?)

CA-DATACOM CICS SERVICES APPLID = A06ICDQDDBEC I,URT(01?)A SYS URT TYP STATUS WHEN REL CBSIO PRTY UNDO MIN SEC CONDITIONS*LOC 0010 STD OPEN AUTO 81 000000 07 YES 000 000 ACTIVE=000 RESRVD=000*LOC 0011 NO PPT ENTRY FOR URT*LOC 0012 NO PPT ENTRY FOR URT*LOC 0013 NO PPT ENTRY FOR URT*LOC 0014 STD OPEN PLT 81 000000 07 YES 000 000 ACTIVE=000 RESRVD=000*LOC 0015 NO PPT ENTRY FOR URT*LOC 0016 STD OPEN PLT 80 000000 07 YES 000 000 ACTIVE=000 RESRVD=000*LOC 0017 NO PPT ENTRY FOR URT*LOC 0018 NO LOAD MODULE*LOC 0019 NO LOAD MODULE


DisplayURTParametersUsingDBEC/DBEX§ DBEXI,URT(001?)DBEC I,TBL(10)SYS URT TYP STATUS TABLE DBID UPD BYP SYN AUT DBIDM SIDNAME MUF*LOC 0010 STD UNOPENED ACT 00010 YES NO YES YES DBSIDPR 01

CUS 00010 YES NO YES YESDTL 00010 YES NO YES YESORD 00010 YES NO YES YESITM 00010 YES NO YES YESNUM 00010 YES NO YES YESRCP 00010 YES NO YES YESSAL 00010 YES NO YES YESSHP 00010 YES NO YES YES


UniqueCommands

§ AvailableinDBOC/DBIC– DBICINQ=????.PAY– DBICINQ=????.???.0001– DBICINQ=FAIL– DBICINQ=PTF

§ AvailableinDBEC/DBEX– DBEXI,URT(????),CLOSING– DBEXI,URT(????),UNOPENED– DBEXI,URT(????),NOPPT


DisplayPTFsUsingDBOC/DBIC

§ DBICI,PTF


ControllingAccesstoURTPool


ControlAccesstoURTs

§ DBUTLTYACCESS=NOMAINT– URTsdonotneedtobeclosed

§ DBOCcommand=????– Open,Close,Auto,Defer,Restart

§ DBECI,URT(????),SYSID(aaaa)– Useactioncodes,O,C,A,D,R,N

§ DBECP,action,URT(????),SYSID(aaaa)– Open,Close,Auto,Defer,Restart


DisplayURTParametersUsingDBEC/DBEX


ModifyDBURSTRParameters

§ DBECI,URT(????),SYSID(aaaa)– CloseURT– Modifyparameter

§ CBSIO,PRTY,TIMEMIN/TIMESEC,TXNUNDO– OpenURT


Display,UpdateaURTUsingDBEC


ModifyTablesinURT

§ DBOCDisable/Enable=nnnn.tbl– CloseURT– IssueDBOCDISABLE=nnnn.tbl– OpenURT

§ DBECI,URT(????),SYSID(aaaa)– CloseURT,SelectURT– Modifyparameter

§ Autodxc,Synonym,Update,Bypass– OpenURT


ReplaceURT

§ DBOCmethod– DBOCCLOSE=nnnn– DBOCDELETE=nnnn– CEMTSPROG(DBURTnnnn)NEWCOPY– DBOCOPEN=nnnn

§ DBECmethod– DBECP,CLOSE,URT(nnnn),SYSID(aaaa)– DBECP,NEWCOPY,URT(nnnn),SYSID(aaaa)– DBECP,OPEN,URT(nnnn),SYSID(aaaa)

Code,AssembleandLinkURT


ChangingPrefixofURTs


DBOCDemonstration

§ DisableTablebyClosingURTandthendisablingtable– DBOCCLOSE=0001– DBOCDISABLE=0001.PAYT,0001.PMF

§ OpentheURTcontainingthedisabledtables– DBOCOPEN=0001– URTisnowavailableforuse– PAYandPMFtablescannotbeaccessedatthistime,butanyother

tablesspecifiedinthisURTareavailableforuse

Step1


DBOCDemonstration

§ Differentvariationscanbeusedwiththiscommand– DBOCCLOSE=0001,0003– DBOCCLOSE=??(closesURTs00-99)– DBOCCLOSE=1?(closesURTs10-19)– DBOCCLOSE=????(closesURTs000-999)

§ VariationsalsovalidforOPENandRESTARTcommands

Step1Continued


DBOCDemonstration

§ DifferentvariationscanbeusedwithENABLEandDISABLEcommands– DBOCDISABLE-?.AAA

§ DisablesalltablesnamedAAAinURTs0-9– DBOCDISABLE=1.A??

§ Disablesalltablesthatbeginwiththeletter“A”inURT1

Step1Continued


DBOCDemonstration

§ Enablethetablesclosedinstep1– DBOCCLOSE=0001– DBOCENABLE=0001.PAY,0001.PMF– DBOCOPEN=0001

Step2


ModuleSummary

§ IssueURTlevelcommands

§ IssueTablelevelcommands

§ UpdateURTlevelvalues

§ UpdateTablelevelvalues

§ IssueMUFlevelcommands


Module12:Wrap-Up


HowDidWeDo?

§ Whattopicwasmostusefultoyou?

§ Aretheretopicsyouwantedcoveredthatwerenot?

§ Howwouldyouimprovethiscourseforfutureattendees?

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Pre-Con Ed: Introduction to CA Datacom Key Concepts and Facilities Part II