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Chapter 5. Servicing z/VM
This chapter describes how to apply:
A Programming Temporary Fix (PTF)
A Recommended Service Upgrade (RSU) from “envelope files”
Both processes are basically the same.
Note that this chapter is based on z/VM 5.2, and not on 5.4, due to the timing of the writing of
this book. However, the process has not changed significantly, so it should be just as useful.
Keep in mind, however, that your output messages and so on will be slightly different.
The application of corrective service to z/VM is covered in z/VM V5R3 Service Guide and in
VMSES/E Introduction and Reference. Both of these documents can be downloaded in PDF
format from the following URL:
http://www.vm.ibm.com/library
VMSES/E is a component of z/VM that provides the SERVICE and PUT2PROD EXECs. The
SERVICE EXEC performs the following tasks:
It installs an RSU or applies CORrective service for z/VM components, features, or
products.
It displays either the RSU level of the component specified or whether a particular PTF or
APAR has been applied (when used with STATUS).
It creates PTF bitmap files (when used with BITMAP).
When SERVICE is successfully completed, the PUT2PROD EXEC places the z/VM components,
features, or products that are installed on the z/VM System DDR into production.
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Important: When applying service, there is always a chance that you may want to back it
out. We recommend that you have an up-to-date backup of your system available before
starting this section.
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