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There’s a whole bunch to tell you on this one, but, we’ll start with first telling you how
to figure out if you’ve got an issue or not. Briefly, for those of you who have never done it,
if you have to "restore the licensed internal code" (otherwise referred to as "slip the LIC"),
you’ve got some anxiety in front of you. It’s simple, it’s well documented, and there’s lots
of help out there to get you through it, but it is cause for worry. If you get into a situation
with your disk drives that require the use of the screens in question, and, they come up
corrupted, you then may be in a situation where you have to slip the LIC before you can trust
what you see on the disk screens. This is not a pleasant position to be in, if you catch my meaning.
To determine where you are, use the command DSPPTF for each of the PTFs above
(MF34369, MF38536, MF38576, MF35091, MF38575 and MF38658, all for 5722999 Licensed
Program Product). If any of them come up with a status of superseded or permanently applied,
you are probably into a slip the LIC situation. You can always contact your next level of support
and get a confirmation.
Instructions on what is involved and steps to perform a restore of the Licensed Internal Code
(which IBM may or may not call a slip of the LIC) can be found in the Backup and Recovery
Guide (SC41-5304-07), Chapter 4.
If you have never done this procedure, or, if you’re the least bit anxious about doing this
procedure, I urge you to seek the guidance of your next level of support for your iSeries or
System i. If you are not experiencing an issue with this at this point, then I suggest you do the
preparatory research, seek the guidance of your next level of support, and be patient. There is no
need for panic in any of this; it’s just a matter of being prepared.
Now for the fun part: I will try to explain how this happened. The defective PTFs were
first made available in Cumulative Group C6101530. At the time they were issued, they were
not known to be defective. They were found to be defective about six weeks later. Many of us
had installed cume 6101 by that time, and, several HIPER PTFs and other group PTFs as well.
IBM posted the note in the install instructions for cume 6101 at that time to omit these PTFs
when putting on cume 6101. So, the only people with issues were those that installed cume
6101 in that six-week period (yours truly and some of my customers), or those who ignored the
installation instructions (yes, people do this). IBM also immediately issued cume C6142530,
which automatically omitted the offending PTFs. So, today, if you have to go with a cumulative
PTF update, do not put on cume 6101, put on cume 6142 instead. If you need to put on 6142,
and you already have 6101 installed, putting on 6142 does not put you in any greater jeopardy.
Also, you might want to be cautious with a PTF called SF99503-530 DB2 UDB for iSeries
Level 10. Level 11 is now available, so go with that instead. Level 10 has issues with defective
PTFs as well.
...more information
The Four Hundred 19.06.2006
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