In my first shop we did a conversion from OS/VS1 straight to MVS/XA (IBM made
us an offer we couldn't refuse). This was a little before CBIPO so first had
to lay down a starter system that was some flavor of MVS/370 or /SP. I say
that because it ran under our VM/SP (actually HPO) system. Before we could
start working on the MVS/XA system itself we had to install VM/XA which was in
the process of being invented. The very first VM/XA for customers was VM/XA
Migration Aid, followed as quickly as possible by VM/XA System Facility release
1 which was in turn followed about 6 months later by release 2. My boss and I
knew all the VM/XA level 2 people by their first names. We definitely 'got' to
do the stage 1 and stage 2 MVS gens once we got that far.
Looking back on it is fondly nostalgic but it was a constant pain at the time -
but, boy oh boy, did we learn things! Good times. I don't think this helps
the original poster much, but it did bring back memories
Jim Horne
-Original Message-
ISTR there was also a special version of VM/XA made available "early" so that
customers could run both 24-bit MVS/SP and 31-bit MVS/XA on the same physical
machine.
Peter
I kinda remember MVS/XA and later ESA being CBIPO and CBPDO for maint.
SYSGEN I think was still needed for XA and maybe ESA.
I'm not sure what you meant by Optional Source Materials. If by that you meant
optional source code to install, I think they went the microsloth bloat ware
option later...
On 12/8/2020 4:00 PM, Joe Monk wrote:
> i thought MVS/XA was CBIPO?
>
> Joe
>
> On Tue, Dec 8, 2020 at 2:04 PM Mark S Waterbury <
> 01c3f560aac1-dmarc-requ...@listserv.ua.edu> wrote:
>
>> Hi, all,
>>
>> Does anyone recall how MVS/XA was first distributed and installed? e.g.
>> was there some kind of a "starter system"? If so, what was it? MVS
>> 3.8J, or MVS/SE or MVS/SP or what?
>>
>> I seem to recall that someone told me that there was no longer any
>> "SYSGEN" process used to install MVS/XA? So, how was this task
>> accomplished?
>>
>> Also, does anyone recall whether IBM made available any "optional
>> source materials" for MVS/XA, either machine readable, on magnetic
>> tape, or was that only available on microfiche, if it was available at all?
>>
>> Thanks in advance for any details anyone can provide.
>>
>> All the best,
>>
>> Mark S. Waterbury
>>
--
Brian W. France
Systems Administrator (Mainframe)
Pennsylvania State University
Penn State IT - Infrastructure/SYSARC
Rm 25 Shields Bldg., University Park, Pa. 16802
814-863-4739
b...@psu.edu
There's no such thing as The Cloud - it's just someone else's computer...
"To make an apple pie from scratch, you must first invent the universe."
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