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Setting Up Housekeeping

This chapter discusses the batch jobs that perform maintenance for ChangeMan ZMF data stores.

Introduction

You must perform periodic maintenance on files used by ChangeMan ZMF, particularly the VSAM files used to store package, component, and user activity information.

Before you implement ChangeMan ZMF in your development and production

environments, you must create and install production batch jobs to perform housekeeping functions.

The “Batch Housekeeping Tasks” chapter in the ChangeMan ZMF Administrators Guide tells you how to build housekeeping jobs from sample JCL delivered in the CMNZMF CNTL library. That chapter describes the critical housekeeping functions needed to protect and maintain the ChangeMan ZMF instances that manage your application software.

You do not need production housekeeping jobs to bring up a test or demonstration instance of ChangeMan ZMF. Initially, you do not need a full set of housekeeping jobs.

However, soon after you bring up your first instance of ChangeMan ZMF, you should build jobs to back up and restore the VSAM master files to protect the work you do in that environment.

Note

Proprietary unload/load jobs are recommended here rather than IDCAMS backup/ restore because:

  • Unload files are required for forward recovery process.

  • For LDS, unload and load reorganizes the data and recovers space with physical deletes.

  • For LDS, unload and load is the only way to change the physical file allocation.

Backup Jobs

See these topics in the “Batch Housekeeping Tasks” chapter in the ChangeMan ZMF Administrators Guide to see how to build the minimum required backup jobs from sample JCL delivered in the CMNZMF CNTL library.

  • Unload/Back Up Package and Component Masters

  • Unload Impact Analysis LDS

  • Back Up And Clear Impact Analysis Log File

  • Back Up And Clear the Recovery File

  • Back Up And Clear the Log File

  • Back Up Staging Versions VSAM Files

Restore Jobs

See these topics in the “Batch Housekeeping Tasks” chapter in the ChangeMan ZMF Administrators Guide to see how to build the minimum required restore jobs from sample JCL delivered in the CMNZMF CNTL library.

  • Load/Restore Package and Component Masters

  • Load Impact Analysis LDS

  • Restore Staging Versions Master