General Installation Steps

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# General Installation Steps

This section covers the following topics:

- Installation Tape

- Which Installation Method?

- Pre-Installation Steps

## Installation Tape

The installation tape contains the datasets listed in the table below. The sequence of the datasets is shown in the Report of Tape Creation, which accompanies the installation tape. The notation n in the dataset name represents the SM level of the product, for example PAC Version 2.7.1.

- Tape Contents

- Copying to a VM/CMS Disk

- Copying to a z/OS Disk

### Tape Contents

Datasets required for PAC and PAA:

Dataset Name | Contents
--- | ---
PAC27n.INPL | Natural modules in INPL format loaded into libraries SYSPAC, SYSPACA, SYSPACUS, SYSPAA, SYSPAAUS, SYSPAAA on the FNAT and into SYSTEM libraries on the FNAT and FUSER. `DCB=(RECFM=VB,LRECL=4624,BLKSIZE=4628)`
PAC27n.SYS1 | PAC system file (ACF) in Adabas ADAULD format and database description. Contains the data to be loaded into the ACF file. `DCB=(RECFM=VB,LRECL=9996,BLKSIZE=10000)`
PAC27n.SYS2 | PAC system file (PCF) in Adabas ADAULD format and database description. `DCB=(RECFM=VB,LRECL=9996,BLKSIZE=10000)`
PAC27n.SRCE (z/OS) | Contains the batch procedure PACBATCH. `DCB=(RECFM=FB,LRECL=80,BLKSIZE=6320)`
PAC27n.JOBS (z/OS) | Sample installation jobs. `DCB=(RECFM=FB,LRECL=80,BLKSIZE=6320)`
PAC27n.DATA | JCL texts to be loaded into the ACF. `DCB=(RECFM=FB,LRECL=80,BLKSIZE=6320)`
PAC27n.UTIL | Utilities PACN*, MIG*, MG*, COMPARE for migration PAC/PAA objects. `DCB=(RECFM=VB,LRECL=4624,BLKSIZE=4628)`
PAC27n.SYSF | PAA system file in Adabas ADAULD format and database description. Contains the data to be loaded into the PAA system file. `DCB=(RECFM=VB,LRECL=9996,BLKSIZE=10000)`
PAC27n.TAPE (VM/CMS) | Sample installation jobs. `DCB=(RECFM=U,LRECL=0,BLKSIZE=5000)`

### Copying to a VM/CMS Disk

1. To position the tape for the TAPE LOAD command, calculate the number of tape marks as follows:

   If the sequence number of PAC27n.TAPE - as shown by the Report of Tape Creation - is n, you must position over 3n-2 tape marks (that is, FSF 1 for the first dataset, FSF 4 for the second, etc.).

2. Access the disk that is to contain the PAC/PAA installation files as minidisk.

3. Ask the system operator to attach a tape drive to your virtual machine at address X'181' and mount the PAC/PAA installation tape.

4. When the tape has been attached, enter the VM/CMS command: `TAPE REW`

5. Position the tape by entering the VM/CMS command: `TAPE FSF n`Where n is calculated as above (3*n-2).

6. Load the PAC/PAA VM/CMS installation material with the VM/CMS command: `TAPE LOAD * * minidisk`

You may wish to keep the tape drive attached to your virtual machine, because the tape is still required in the installation procedure.

### Copying to a z/OS Disk

If you are using System Maintenance Aid (SMA), refer to the SMA documentation (included on the current edition of the Natural documentation CD). If you are not using SMA, follow the instructions below. This section explains how to:

- Copy data set COPY.JOB from tape to disk.

- Modify this data set to conform with your local naming conventions.

The JCL in this data set is then used to copy all data sets from tape to disk. If the datasets for more than one product are delivered on the tape, the dataset COPY.JOB contains the JCL to unload the datasets for all delivered products from the tape to your disk.

After that, you will have to perform the individual install procedure for each component.

1. Copy data set COPY.JOB from tape to disk

   The data set COPY.JOB (label 2) contains the JCL to unload all other existing data sets from tape to disk. To unload COPY.JOB, use the following sample JCL:

       //SAGTAPE JOB SAG,CLASS=1,MSGCLASS=X
       //* ---------------------------------
       //COPY EXEC PGM=IEBGENER
       //SYSUT1 DD DSN=COPY.JOB,
       // DISP=(OLD,PASS),
       // UNIT=(CASS,,DEFER),
       // VOL=(,RETAIN,SER=<Tnnnnn>),
       // LABEL=(2,SL)
       //SYSUT2 DD DSN=<hilev>.COPY.JOB,
       // DISP=(NEW,CATLG,DELETE),
       // UNIT=3390,VOL=SER=<vvvvvv>,
       // SPACE=(TRK,(1,1),RLSE),
       // DCB=*.SYSUT1
       //SYSPRINT DD SYSOUT=*
       //SYSIN DD DUMMY
       //

   Where:
   <hilev> is a valid high level qualifier.
   <Tnnnnn> is the tape number.
   <vvvvvv> is the desired volser.

2. Modify COPY.JOB to conform with your local naming conventions.

   There are three parameters you have to set before you can submit this job:

   - Set HILEV to a valid high level qualifier.

   - Set LOCATION to a storage location.

   - Set EXPDT to a valid expiration date.

3. Submit COPY.JOB

   Submit COPY.JOB to unload all other data sets from the tape to your disk.

## Which Installation Method?

The installation method you choose depends on whether PAC/PAA is already installed at your site. There are two methods of installing PAC/PAA: first-time installation and conversion installation. In addition, it is possible to install PAA in a separate environment or install PAC Utilities at a remote site.

- First-Time Installation

- Conversion Installation from Previous Installed Versions

### First-Time Installation

If you have not previously installed PAC / PAA, or if you currently have an earlier version of PAC / PAA, and want to install PAC / PAA version 2.7.1 as a separate system and will not be migrating or converting the current existing PAC and PAA data, go straight to First-Time Installation.

### Conversion Installation from Previous Installed Versions

- PAC from 2.6.n

PAC conversion processes described in sectionUpgrading PAC may cause.

- The overwriting and deletion of Natural objects in libraries SYSPAC, SYSPACA, SYSPACUS, SYSPAA, SYSPAAA, and SYSPAAUS in the FNAT.

- The overwriting of modules SYSPAC, SYSPACA, SYSPAA, and SYSPAAA in the SYSTEM libraries in the FNAT and the FUSER.

- The deletion of modules with names beginning in 'MIG', 'MG', 'PAC', and 'PAA' from the SYSTEM libraries in the FNAT and the FUSER.

- The overwriting and deletion of error messages for libraries SYSPAC and SYSPAA in the FNAT.

- The overwriting of JCL texts in the ACF.

To keep the old PAC/PAA Natural objects (user exit subprograms included) and error messages you should back them up or use another (FNAT, FUSER) pair.

To keep the JCL texts currently in the ACF you can rename them using the PAC maintenance function.

The contents of the ACF and the PCF have to be modified to accommodate PAC 2.7.1. Back up the current contents of the ACF and the PCF before starting the conversion.

Having upgraded PAC you may need to modify user profiles, JCL texts, or application - production status links; use PAC administration and maintenance functions described in the PAC Administration documentation and the PAC User's Guide to do it.

## Pre-Installation Steps

Caution
Before you begin to install PAC/PAA 2.7.1, ensure that all pending PAC migration events (Started or Authorized state) are completed or backed out. Ensure that all PAC entities are resolved and unlocked. Otherwise, inconsistencies may arise during conversion.

Before you begin installation of PAC/PAA version 2.7.1, do the following:

1. Back up PAC/PAA System Files
   Back up your existing PAC ACF and PCF system files, and the PAA system file that contains your PAA data. You must also backup the FNAT file(s) where PAC/PAA version 2.6 was installed and the FUSER and FDIC files where Natural objects were placed under PAC/PAA control.

2. Back up your user exits
   Back up your user exits, otherwise, these routines will be overwritten when PAC/PAA is installed. User-modifiable routines have the following prefixes: PACEX* PAAEX*.

   Note
   Customized routines may need to be modified before using them in PAC/PAA version 2.7.1 For information on modifying these routines, refer to Customizing PAC/PAA.

3. Rename JCL Texts
   To preserve the JCL texts currently in the ACF, rename them using the PAC maintenance function.

4. Backup and Delete System Libraries and Modules
   SMA Reference: Job I051, Step 1700 / 1701 / 1702 / 1703 / 1704 / 1705

   Backup and delete the following:

   - System libraries SYSPAC, SYSPACA, SYSPACUS, SYSPAA, SYSPAAA, and SYSPAAUS on the FNAT.

   - Modules SYSPAC, SYSPACA, SYSPAA, SYSPAAA from library SYSTEM on the FNAT and FUSER.

   - Module COMPARE and those modules whose names begin in MIG, MG, PAC and PAA from library SYSTEM on the FNAT and FUSER.

   This step is required because numerous PAC/PAA modules from previous versions have been discontinued.

### On this page

- Installation Tape
- Which Installation Method?
- Pre-Installation Steps