This course provides attendees with an effective introduction to the skills and knowledge required to implement a DB2 system. The planning, installation and setting up of a DB2 subsystem are discussed in detail, along with an overview of operational issues.<br>Regularly revised and updated, this course also provides valuable information regarding the migration to new releases.
DB2 for z/OS: Installation & Migration
A general understanding of DB2 is required. In addition, familiarity with either CICS or IMS would also be of use. The course assumes knowledge and use of TSO and ISPF.
- describe the planning considerations for installing, migrating, or updating a DB2 for z/OS system
- list additional considerations when using distributed data facility or shared data
- explain the installation process using the DSNTINS0 or DSNTINST CLIST, and the jobs it produces
- define the additional considerations when migrating between DB2 releases
- describe DB2 attachment installation, and implications with other non-DB2 systems
- manage the general day to day operation of the DB2 system.
Definitions; Compatibility Mode (CM); Enable New Function Mode (ENFM); New Function Mode (NFM); migration paths; installation / migration steps.Installation Planning
DASD storage requirements; storage estimates - cylinders; storage estimates - Megabytes; DASD requirements - DB2 catalog & directory; DASD requirements - default, work & temporary databases; DASD requirements - Log Data Sets; DASD requirements - user data; DASD requirements - user indexes; Virtual Storage requirements; Buffer, Sort & RID pools; EDM pool; DSCBs and working storage; real storage estimation; planning distributed data; planning shared data.Installation & Migration Review
The major steps; loading DB2 libraries (the SMP process); msys for setup; DB2 Customization Center; the install CLISTs; invoking the install CLIST; install main panel; installation panels; the customised jobs.Installation CLIST
The installation CLIST; invoking the Install CLIST; DSNTIPA1 - install, migrate, update main panel; DSNTIPP1 - data sharing options; DSNTIPA2 - data parameters; DSNTIPK - define group or member; DSNTIPH - system resource data set names; DSNTIPT, DSNTIPU, DSNTIPW - data set names; DSNTIPD, DSNTIP7 - sizes; DSNTIPE - thread management; DSNTIP1, DSNTIP2 - buffer pool sizes; DSNTIPN - tracing parameters; DSNTIPO - operator functions; DSNTIPF, DSNTIP4 - application programming defaults; DSNTIP8 - performance and optimization; DSNTIPI, DSNTIPJ - IRLM; DSNTIPP - protection; DSNTIPM - MVS PARMLIB updates; DSNTIPL - active log data set parameters; DSNTIPA - archive log data set parameters; DSNTIPS - databases & spaces to start automatically; DSNTIPR, DSNTIP5 - distributed data facility; DSNTIPX - routine parameters; DSNTIPZ - data definition control support; DSNTIPY - job editing; DSNTIPC - CLIST calculations panel.Installation Jobs
The installation jobs; job DSNTIJMV - define DB2 to z/OS; job DSNTIJCA - define ICF catalog; jobs DSNTIJIN & DSNTIJID - define & initialise system data sets; job DSNTIJUZ - define initialisation parameters; optional jobs; job DSNTIJTC - tailor the DB2 catalog; jobs DSNTIJTM, DSNTIJSG - Defining DB2 Objects, etc.; job DSNTIJRX - REXX support (optional); jobs DSNTIJIC & DSNTEJxx - back-up and verification.Connecting to DB2
DB2 connections (attachments); TSO attachment; job DSNTIJVC - build the CLIST library; make libraries available to TSO; connect DB2I panels to main panel; invoking TSO attachment; CICS attachment; Resource Control Table; DB2CONN using CEDA; DB2ENTRY using CEDA; DB2TRAN using CEDA; controlling CICS attachment; IMS attachment; IMS Subsystem Member (SSM); Subsystem Member relationships; Resource Translation Table (RTT); controlling IMS attachment.Migration & Updating
Migration paths; migration steps ; migration considerations; migration compatibility; migration review; prerequisites & maintenance level of current system; integrity of current system; back-up current system; migration steps; migration & data sharing; the customised jobs; fallback; enabling new function mode; installation panel DSNTIPA1 - ENFM; shadow data set allocations - DSNTIP00; image copy data set allocations - DSNTIP01; storage requirements - DSNTIP02; jobs DSNTIJNE, DSNTIJNF & DSNTIJNH; jobs DSNTIJNG, DSNTIJNR and DSNTIJEN; enlarging the BSDS; updating DB2.Distributed Data Facility
Distributed Data Facility; VTAM components; enabling TCP/IP communication; communications tables; distributed protocols; distributed security.DB2 Operations Overview
DB2 command format; starting DB2; log initialisation; current status rebuild; forward log recovery; backward log recovery; processing log records; controlling Lock Manager; controlling Distributed Data Facility; controlling CICS attachment; CICS attachment commands; controlling IMS attachment; IMS attachment commands; controlling threads; controlling databases; controlling Bufferpools; other DB2 commands; stopping DB2.Performance Overview
What is 'performance'?; Service Level Agreements; performance objectives; workload categories; performance factors; database design; application design; system parameters; EDM pool size; Bufferpool sizes & thresholds; DB2 traces; trace types & classes.
Face-to-face learning in the comfort of our quality nationwide centres, with free refreshments and Wi-Fi.
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