That's a good point I suppose, but I think he's just worried about being
able to move his production system to a hardware platform so that he can
convert to something a bit more recent without bending over backwards and
doing back flips.  

The session at SHARE that I will be presenting this year covers those types
of conversions (Long-Jump) which are conversions beyond the 3-release
"rule".  I think converting from 1.6 to 1.10 (or 11 or 12) certainly falls
under that.  

I was wondering if (during the session) it would be beneficial if I should
mention the hardware aspects (and pitfalls) that sites run into instead of
just the software side.  It was more common a few years ago when 967x and
multiprise sites "couldn't" move beyond (1.1 (or 1.4 for the multiprise)),
and the IBM "rule-book" said they couldn't install it on a z/9 in
preparation for moving to the "current" release.  Now with z/10 and z/196
the wheel turns yet again and many sites will find themselves in the same
boat they were in with the 967x's and Multiprise boxes, only worse because
it will be a self-imposed boat built with "vague restrictions" and not fact.
 That's good for us consultants, but bad for IBM's image.  I can understand
making the mistake the first time with s/360's or the second time with
s/370, and maybe even a third time with the 43xx boxes or even one last time
the next time with the 967x and Multiprise boxes, but now we have a whole
group of z/series boxes that I can already see are going to be in an
artificial and virtual world of hurt.  The sad part is that much of it is
not even a "real" hurt because the terms "not supported" and "won't work"
have entirely different meanings and a lot of people, (not just at IBM) seem
to not understand the difference.

The "real" world is that I just finished (in October) converting a
university from OS/390 2.9 to z/OS 1.11 and moved them from their MP3000-H70
to a (new) z/10 and it took less than 3 months from start to finish, and
most of that was in planning and testing.  The most experienced systems
programmer on site there had 2 years of experience.  They didn't even know
about the "3 release rule" so the conversion went off without a hitch.

Maybe we should rename my session to z/OS conversion FUD-Buster, what do you
think?

Brian

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