IBM ZVM - FOR LINUX V6 RELEASE 1 Getting Started page 152

v Applying local service or modifications. Local service and local modifications are
In general, then:
v Someone reports a problem to IBM, which is entered as a problem management
v If it determines that a fix is needed, IBM creates an authorized program analysis
v The solution for an APAR is a program temporary fix (PTF), which is like a code
v The PTF might be delivered as preventive service on a recommended service
v For problems you encounter that require immediate fixes, the PTF can be
v Though PTFs usually contain fixes, sometimes IBM delivers new function
Related Information
v If you need to install service, follow the instructions in "Part 4. Service
v For details on the service process, see "VM Service Concepts" in z/VM: VMSES/E
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z/VM: Getting Started with Linux on System z
temporary solution to the problem, and it may be in the form of a procedural or
software change. The method of delivery depends on the form of the solution,
and it is determined by you and the IBM support center. Once an APAR number
is established for the problem, you can use that number to track the fix and see
when a PTF is available.
defined as any service or software change that is applied to your z/VM system
that was not supplied by IBM through corrective service (COR) or a
recommended service upgrade (RSU).
When it is absolutely necessary to apply service from IBM before it is available
on a COR tape, or when you need a local modification to tailor your system
environment, you must apply the service locally. Local service includes updates
supplied to you by other vendors or Licensed Products. Note that as subsequent
PTFs are installed, both circumventions and local modifications may require
rework.
For more information on adding local modifications, see
– "Apply a Local Modification" in z/VM: Guide for Automated Installation and
Service, GC24-6197
– "Procedures for Local Service and Modifications" in z/VM: Service Guide,
GC24-6232.
record (PMR).
report (APAR) for the code defect (bug).
patch. The PTF might provide source updates in addition to new binaries.
upgrade (RSU) tape. RSUs are periodic and intended for everyone to apply as a
way of preventing problems.
delivered on a corrective service (COR) tape or electronic envelope.
through them, called small programming enhancements (SPEs).
Procedure" in z/VM: Guide for Automated Installation and Service, GC24-6197.
Introduction and Reference, GC24-6243.