IBM Support

Understanding the RSU and PUT process

Preventive Service Planning


Abstract

I would like to understand the RSU and PUT maintenance process.

Content

The RSU (Recommended Service Upgrade) and PUT processes are different but both are related to maintenance. The PUT (Program Update Tape) process is being phased out.

The CST (Consolidated Service Test) and the RSU information can be found here, you can register in the following link to be notified by email when a new RSU has completed testing:

http://www.ibm.com/systems/z/os/zos/support/servicetest/

Also attached is the z/OS Preventive Maintenance Strategy to Maintain System Availability.
zos_preventive_maintenance_strategy.pdfzos_preventive_maintenance_strategy.pdf

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Document Information

Modified date:
07 April 2021

UID

swg21618290