One possiblity - prior to the release of a product IBM may find problems in the code and subsequently create PTFs to address the problem. When general availablity of the product nears IBM may then build the product, apply the PTFs, and save the product for distribution. In this case there is no need for IBM to ever formally distribute/identify the PTF as it is imbedded in the first shipment/build of the product. PTFs discovered after this build would then be in the inital cumulative package for the product.
Second possibility - there are situations where IBM development, in order to recreate/trap a problem on a customer system, may create a PTF and then limit the distribution of that PTF (or object after being PTFed in the lab) to a small set (often one) of customers. These PTFs would generally not show up in support searches either. These PTFs would typically be removed after they are no longer needed, but it's possible for them to be permanently applied also (or someone forgot to clean up after they were done).
There are most likely other scenarios but these two come quickly to mind.
Bruce Vining
Simon Coulter <shc@xxxxxxxxxxxxxxxxx> wrote:
DSPOBJD on VRM530 shows an IBM program object with a PTF ID in the
object description.
DSPPTF for that PTF shows no such PTF (not loaded, installed,
applied, or superseded).
Search of IBM Support for that PTF finds no hits.
Why is it so?
Regards,
Simon Coulter.
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