A Semi-Technical Review of 101 Mainframe Terms, Acronyms, and Concepts.

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1 A Semi-Technical Review of 101 Mainframe Terms, Acronyms, and Concepts. Keith Sisson Compuware November 2018 Session: AE

2 Address Space IMS Db2 Dataset JES CICS ISPF OSA GP Crypto Ficon Catalog ide SMPE CEC IoT Micro Services DS8870 z14 System Z rolling 4 hour average Parallel Sysplex Coupling Facility DASD Processor Drawers Channels/ Cards Multi-factor Authentication (MFA) z /3490/3590 Bus&Tag Cables ESCON Converter Started Tasks System Tasks Batch z/os JCL TCP/IP LLA VLF CICS TSO JOB LPAR MIPS MSUs MLC PR/SM Virtual Tape IFL ICF ziip WLM REST JSON MQseries USS REXX Job scheduler

3 DASD System Z CEC (Central Electronics Complex) Parallel Sysplex Coupling Facility MIPS MSUs MLC 4 hour rolling average DS8870 z13s zbc12 3 3

4 z13s Power & Support elements Processor Drawers GP ziip ICF IFL 4 Channels/ Cards OSA TCPIP Crypto Ficon MFA

5 Z14-zr1 Same size as a standard Frame (19 /48.25CM) 16U of Space Standard Power

7 z14-zr1 fits here

8 IBM 3480 ESCON Convert Bus&Tag Cables

9 Luminex Virtual Tape Controller Virtual Tape Storage FICON (16gbps each) 9

10 z/os LPAR z/os LPAR z/os LPAR z/vm z/os z/os zlinux MVS = Older z/os PR/SM CPU, Memory, I/O

11 z/os LPAR MASTER CATALOG CONSOLE ALLOCAS VLF LLA JES2 TCP/IP CICS TSO USER1 TSO USER2 TSO USER3 INIT/JOB INIT/JOB System Tasks Started Tasks TSO Users Batch Jobs Address Spaces

12 Address Space 16 Exabytes 64bit addressability User Extended Private 512 TB Shared Area 2 TB 2 GB 16 MB The Bar The Line User Extended Private Common Area User Private 1 EB = B = bytes = 1000 petabytes = 1 million terabytes = 1 billion gigabytes.

13 JCL Who am I? What program am I executing? Needed files Needed work space Commands passed to program //KSISSON2 JOB (ACCT#),'KEITH SISSON',CLASS=V, // MSGLEVEL=(1,1), MSGCLASS=X,NOTIFY=KSISSON //STEP1 EXEC PGM=EXCEL //IN DD DISP=SHR,DSN=KSISSON.PLAN.XLSX(P10A) //OUT DD DISP=SHR,DSN=KSISSON.PLAN.XLSX(P10B) //SYSUT3 DD UNIT=SYSDA,SPACE=(CYL,(23,9)) //SYSUT4 DD UNIT=SYSDA,SPACE=(CYL,(23,9)) //SYSPRINT DD SYSOUT=* //SYSIN DD * OPEN IN SORT A1:A20 SAVEAS OUT //* //STEP2 EXEC PGM=IEFBR14 //FILE DD DSN=KSISSON.PLAN.XLSX,DISP=SHR *Illustration only, not working JCL

14 How does JCL get into the system? submitted via TSO or by job scheduler like Control- M, TWS, or CA7 to JES JES2 Which jobs have priority? Performance controlled by WLM Where does the output go? JES Spool How long can jobs run? Controlled by Class, WLM, other JES Spool (disk)

15 Address Space 2 TB 2 GB The Bar 16 MB The Line STEPLIB LPA DASD (disk) Application Code (Assembler, COBOL, PL/1, C/C++, JAVA) Link List LLA/VLF

16 CICS Region CICS Region JCL STC or Batch Transactions Programs Files DB- DB2, IMS MQ MQSeries 100 Billion CICS transactions per day (Google does 3.5 Billion)

17 z/os LPAR z/os LPAR CICS Region CICS Region CICS Region CICS Region Coupling Facility CICS System Group CICSPlex CICS System Group

18 Table Table Table Name Address Emp# Name Address Emp# Name Address Emp# Name Address Emp# Name Address Emp# Name Address Emp# Name Address Emp# Name Address Emp# Name Address Emp# Name Address Emp# Name Address Emp# Table DB2 Subsystem Emp# Dependent Emp# Dependent Emp# Dependent Emp# Dependent Emp# Dependent Emp# Dependent Table MGR_emp# EMP# MGR_emp# EMP# MGR_emp# EMP# MGR_emp# EMP# MGR_emp# EMP# MGR_emp# EMP# MGR_emp# EMP# Table Emp# Auto Plate color Emp# Auto Plate color Emp# Auto Plate color Emp# Auto Plate color Relational SQL based Table

19 z/os LPAR z/os LPAR DB2 Subsystem DB2 Subsystem DB2 Subsystem DB2 Subsystem DB2 Subsystem Coupling Facility Relational SQL based DB2 Data Sharing DB2 Data Sharing

20 IMS Region IMS DB DL/I IMS DC Transaction Manager

21 Menu Utilities Compilers Options Status Help ISPF Primary Option Menu Option ===> 3 ISPF 0 Settings Terminal and user parameters < Calendar > 1 View Display source data or listings February Edit Create or change source data Su Mo Tu We Th Fr Sa 3 Utilities Perform utility functions 1 4 Foreground Interactive language processing Batch Submit job for language processing Command Enter TSO or Workstation commands Dialog Test Perform dialog testing LM Facility Library administrator functions 9 IBM Products IBM program development products Time.... : 12:52 11 Workplace ISPF Object/Action Workplace Day of year. : 050 D DB2I Db2 Interactive Functions M ETS ETS Dialogs P PRODUCTS COMPUWARE Products S SDSF System Display and Search Facility U USER User Dialogs Enter X to Terminate using log/list defaults

22 Menu Help Utility Selection Panel Option ===> 4 1 Library Compress or print data set. Print index listing. Print, rename, delete, browse, edit or view members 2 Data Set Allocate, rename, delete, catalog, uncatalog, or display information of an entire data set 3 Move/Copy Move, or copy members or data sets 4 Dslist Print or display (to process) list of data set names. Print or display VTOC information 5 Reset Reset statistics for members of ISPF library 6 Hardcopy Initiate hardcopy output 7 Transfer Download ISPF Client/Server or Transfer data set 8 Outlist Display, delete, or print held job output 9 Commands Create/change an application command table 11 Format Format definition for formatted data Edit/Browse 12 SuperC Compare data sets (Standard Dialog) 13 SuperCE Compare data sets Extended (Extended Dialog) 14 Search-For Search data sets for strings of data (Standard Dialog) 15 Search-ForE Search data sets for strings of data Extended (Extended Dialog) 16 Tables ISPF Table Utility 17 Udlist Print or display (to process) z/os UNIX directory list

23 Menu RefList RefMode Utilities Help Data Set List Utility Option ===> blank Display data set list V Display VTOC information P Print data set list PV Print VTOC information Enter one or both of the parameters below: Dsname Level... sys2 Volume serial.. Data set list options Initial View Enter "/" to select option 1 1. Volume / Confirm Data Set Delete 2. Space / Confirm Member Delete 3. Attrib / Include Additional Qualifiers 4. Total Display Catalog Name Display Total Tracks Prefix Dsname Level When the data set list is displayed, enter either: "/" on the data set list command field for the command prompt pop-up, an ISPF line command, the name of a TSO command, CLIST, or REXX exec, or "=" to execute the previous command.

24 Catalog Dataset Menu Options View Utilities Compilers Help DSLIST - Data Sets Matching SYS2 Row 1 of Command ===> Scroll ===> CSR Command - Enter "/" to select action Message Volume SYS2 *ALIAS SYS2.AA.BETA.AUTHLIB S01021 SYS2.AA.BETA.AUTHLIB.CW02 SYSSHF SYS2.AA.BETA1.AUTHLIB MIGRAT2 SYS2.AA.PROD.AUTHLIB S01021 SYS2.AA.RCTAUTH S01014 SYS2.AA.R932.AAFILE1 SYSSH3 SYS2.AA.R932.AAFILE2 SYSSH3 SYS2.AA.R932.AUTHLIB SYSSH4 SYS2.AA.R932.LOAD SYSSH4 SYS2.AA.R932.LOAD.CW40 SYSSH4 SYS2.AA.R932.OBJECT SYSSH3 SYS2.AA.R932.OBJECT.MAINT MIGRAT2 SYS2.AA.R932.SORCMAC SYSSH4 SYS2.AA.R940.REPORT01 *VSAM* SYS2.AA.R940.REPORT01.DATA SYSSH2 SYS2.AA.R940.SD.LISTING *VSAM* SYS2.AA.R940.SD.LISTING.DATA SYSSH2 SYS2.AA.R940.SD.REPORT *VSAM* SYS2.AA.R940.SD.REPORT.DATA SYSSH2 SYS2.AA.TEST.LOADLIB MIGRAT2 SYS2.AA.UNLOAD MIGRAT2 SYS2.AACICS.AAMVS.INSTALL.JCL SYSSH6 SYS2.AAFM.CICSAAFX.PTFFILE MIGRAT2 SYS2.AAFM.COMPWARE.MMFM120.F1.XMIT MIGRAT2 SYS2.AAFM.COMPWARE.MMFM120.F2.XMIT MIGRAT2 SYS2.AAFM.COMPWARE.MMFM120.F3.XMIT MIGRAT2 SYS2.AAFM.COMPWARE.MMFM120.MEP.TAR MIGRAT2 SYS2.AAFM.COMPWARE.MMFM120.SMPMCS.XMIT MIGRAT2 SYS2.AAFM.COMPWARE.MMFM120.TMFMCNTL.XMIT MIGRAT2 SYS2.AAFM.COMPWARE.MMFM120.UNLOAD MIGRAT2 SYS2.AAFM.FAULTMGR.AA.UNLOAD MIGRAT2 SYS2.AAFM.FAULTMGR.AACICS.UNLOAD MIGRAT2 VolSer

26 Menu Options View Utilities Compilers Help DSLIST - Data Sets Matching BFHKWS0 Row 1 of 1175 Command ===> Scroll ===> CSR RECFM LRECL BLKsize PDS SEQ VSAM Command - Enter "/" to select action Dsorg Recfm Lrecl Blksz BFHKWS0.OMVS.USER.CW09.HFS HFS U 0 0 BFHKWS0.OMVS.USER.HFS HFS U 0 0 BFHKWS0.BBCDEF PO FB BFHKWS0.CI.JCL PO FB BFHKWS0.CI2.JCL PO FB BFHKWS0.CI3.JCL PO FB BFHKWS0.CI4.JCL PO FB BFHKWS0.SMPE.CNTL PO FB BFHKWS0.SYSMDECK PO FB BFHKWS0.SYS2A.LPALIB.BACKUP PO U BFHKWS0.TM.#RN.RFN.JCL PO FB BFHKWS0.TM.TWS.#APPL.ISPTLIB PO FB BFHKWS0.BACKUP.LIST PS FB BFHKWS0.CW01.REPORT.XEXTRACT.DATA PS VB BFHKWS0.DEFINE.LIST PS FB BFHKWS0.DT.USER.LIST PS FBA BFHKWS0.D313D2.LIST PS FBA BFHKWS0.FINAL.LIST PS FB BFHKWS0.HSM.K.LIST PS FBA BFHKWS0.HSM.LIST PS FBA BFHKWS0.ISP06763.SPFLOG8.LIST PS VA BFHKWS0.ISP09730.SPFLOG8.LIST PS VA

27 IBM Licensed Material - Property of IBM 5694-A01 Copyright IBM Corp. 1993, 2011 (C) Copyright Mortice Kern Systems, Inc., 1985, (C) Copyright Software Development Group, University of Waterloo, USS All Rights Reserved. U.S. Government Users Restricted Rights - Use,duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp. IBM is a registered trademark of the IBM Corp. *********************************************************************** * THIS SYSTEM IS FOR AUTHORIZED USE ONLY. ACTIVITIES ARE LOGGED AND * * MONITORED, USERS OF THIS SYSTEM HAVE NO EXPLICIT OR IMPLICIT * * EXPECTATION OF PRIVACY. ANY UNAUTHORIZED ACCESS OR UNAUTHORIZED * * USE OF THIS SYSTEM IS PROHIBITED AND COULD BE SUBJECT TO CIVIL AND * * CRIMINAL PENALTIES. BY CONTINUING TO USE THIS SYSTEM YOU INDICATE * * YOUR AWARENESS OF AND CONSENT TO THESE TERMS AND CONDITIONS OF USE. * *********************************************************************** CCCC. OOOO MM MM PPPPP. UU UU WW WW AA.RRRRR. EEEEEEE CC C OO OO MM MM PP PP UU UU WW W WW A A RR RR EE CC OO OO MM MMM MM PP PP UU UU WWW WWW AAAAAA RRRRR. EEEEE CC OO OO MM M MM PP PP UU UU WWW WWW AAAAAAAA RRRR EEEEE CC C OO OO MM MM PP UU UU WW WW AA AA RR RR EE CCCC. OOOO MM MM PP. UUUUU WW WW AA AA RR RR EEEEEEE - Welcome to Unix System Services for z/os v1r13 (CW01) - - Telnet is available on port you have mail in /usr/mail/bfhkws0. /u/bfhkws0: > ls -l

28 you have mail in /usr/mail/bfhkws0. /u/bfhkws0: >ls -l total rw-r TWSZ OMVSGRP Jun x2 drwxr-xr-x 2 TWSZ OMVSGRP 8192 Oct 16 10: drwxr-xr-x 2 TWSZ OMVSGRP 8192 Jun AA drwxr-xr-x 2 TWSZ OMVSGRP 8192 Jun CICS -rwx TWSZ OMVSGRP 150 Jun CO -rwxr-xr-x 1 TWSZ OMVSGRP 0 Jun COMPRPT1 -rw-r--r-- 1 TWSZ OMVSGRP 1944 Jun Compuware-130D83E52EA-license.pem drwxr-xr-x 2 TWSZ OMVSGRP 8192 Mar DIRECTORY.1 -rwx TWSZ OMVSGRP 328 Jun EUCAcomp drwxr-xr-x 2 TWSZ OMVSGRP 8192 Mar EXTDIR -rwxr--r-- 1 TWSZ OMVSGRP Sep 26 09:29 FASAMP.INVFILE drwxr-xr-x 2 TWSZ OMVSGRP 8192 Oct 22 11:28 FK drwxr-xr-x 3 TWSZ OMVSGRP 8192 Jun HOD -rw-r TWSZ OMVSGRP Jun HardwareConfig -rwxr-xr-x 1 TWSZ OMVSGRP 386 Jun INSTALL.dbx drwxr-xr-x 15 TWSZ OMVSGRP 8192 Jul IS drwxr-xr-x 2 TWSZ OMVSGRP 8192 Feb ISPF drwxr-xr-x 5 TWSZ OMVSGRP 8192 Jun JMQ415A -rwx TWSZ OMVSGRP 215 Jun LD drwxr-xr-x 6 TWSZ OMVSGRP 8192 Jun MAINT drwxr-xr-x 2 TWSZ OMVSGRP 8192 Jun MAINTWRK -rwx TWSZ OMVSGRP 365 Jun MD drwxr-xr-x 14 TWSZ OMVSGRP 8192 Jul NV -rwx TWSZ OMVSGRP 145 Jun ON -rwxr-xr-x 1 TWSZ OMVSGRP 882 Jun Panorama.class -rwxr-xr-x 1 TWSZ OMVSGRP 348 Jun Panorama.java drwxr-xr-x 4 TWSZ OMVSGRP 8192 Jun RN drwxr-xr-x 3 TWSZ OMVSGRP 8192 May RNtest drwxr-xr-x 2 TWSZ OMVSGRP 8192 Jun SAS drwxr-xr-x 2 TWSZ OMVSGRP 8192 Jun ShopZreport drwxr-xr-x 2 TWSZ OMVSGRP 8192 Jun TEMP....

29 SMPE Global CSI FMID PTFS Parts TARGET Datasets AA.LOADLIB AA.PANEL AA.REXX AA.MESSAGE Receive Target CSI Apply FA.LOADLIB FA.PANEL FA.REXX FA.MESSAGE DLIB CSI Accept APAR describes a problem PTF provides the resolution

30 RESTful Services CICS z/os

RESTful API HTTP Request REST Web Service Server REST Web Service Server HTTP Response JSON Object {"name":"product", "properties": { "id": { type": 3090", driver", }} "description": hammer",

31 RESTful API HTTP Request REST Web Service Server REST Web Service Server HTTP Response JSON Object {"name":"product", "properties": { "id": { type": 3090", driver", }} "description": hammer", "required":true }, "name": { "description": deluxe "type": implement", "required":true }, "price": { "type": 11.49", "minimum":0, "required":true }, "tags": { "type":"array", "items": { "type": red" } } Micro Service IoT REST Web Service Client REST Web Service Client

32 Customer info Product list Custom order SaaS JSON Object REST Web Service Server

33 z/os LPAR CEC Address Space JES DB2 CICS SMPE WLM & TP MGR TSO/ ISPF Dataset Catalog JCL IMS REST/J SON IoT Micro Services ide PR/SM CPU, Memory, I/O Ficon OSA Crypto GP ziip ICF IFL

35 We want your feedback! Please submit your feedback online at. Paper feedback forms are also available from the Chair person This session is AE

Uni Hamburg Mainframe Summit 2010 z/os The Mainframe Operating. Part 6 z/os Concepts

Uni Hamburg Mainframe Summit 2010 z/os The Mainframe Operating Part 6 z/os Concepts Redelf Janßen IBM Technical Sales Mainframe Systems Redelf.Janssen@de.ibm.com Course materials may not be reproduced