Program temporary fix
Encyclopedia
Program temporary fix is the standard IBM
IBM
International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...

 locution to designate a single bug fix
Patch (computing)
A patch is a piece of software designed to fix problems with, or update a computer program or its supporting data. This includes fixing security vulnerabilities and other bugs, and improving the usability or performance...

, or group of fixes, distributed in a form ready to install for customers. Often explained in tongue-in-cheek manner as permanent temporary fix or more practically probably this fixes, because customers have the option to make the PTF a permanent part of the operating system - if it fixes.

PTF usage

PTFs can be downloaded straight to the system through a direct connection to IBM support. In some instances IBM will release a "Cumulative PTF Pack", a large number of fixes which function best as a whole, and are sometimes codependent. When this happens, IBM issues compact discs containing the entire PTF pack, which can be loaded directly onto the system from its media drive. Once loaded onto a system, the fix is designed to be applied in several stages over a course of weeks.
  1. Stage 1) Load the proper PTF to the HA (non-production) system
  2. Stage 2) "Apply" the PTF to the HA system, and review the system's performance over multiple weeks to ensure it does not hinder your productivity or functionality
  3. Stage 3) Load and apply the PTF to the production system and monitor its effects for several weeks


If the system is hindered by the PTF, a system administrator
System administrator
A system administrator, IT systems administrator, systems administrator, or sysadmin is a person employed to maintain and operate a computer system and/or network...

may sometimes "un-apply" the PTF and seek further support from IBM. However, if no problems are found after the PTF is applied, it can be permanently installed, or "Committed", to the system.

These repairs to IBM software are often in response to APARs (Authorised Program Analysis Reports) submitted by customers and others and acted on by IBM, and are a common first step to resolving software errors. It is generally expected by the customer that the problem would be fully corrected in the next release (version) of the relevant product.

External links

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