On Feb 11, 2008, at 3:20 PM, Ted MacNEIL wrote:
If the installation has a fair amount of mods to the OS then
increase the number of sysprogs. How many well it depends on the
complexity of the mods and other things.
I hope you mean exits!
I haven't seen a shop with mods in a long time.
I worked with an Operations manager (just before XA), who used to
work at IBM.
He couldn't tell us anything; XA hadn't been announced, yet.
He was governed by nda/ip up until the 3090, so he had to keep his
mouth shut.
No I did not mean exits. I explained separately about the exit item.
I still know of a few companies that make changes to MVS. No major
changes granted but a few none the less. One company insisted on
changing titles in EREP (BFD I Agree) but it is a mod. The same
company wanted a MLWTO at NIP to put in a warning messages about
changing any IEASYS options. I know again (BFD) but it was a mod.
The company was hiper critical of operations changing *ANYTHING*
(they got burned once to often).
Anyways, he had authority to disallow any mods.
Which he did.
We went from almost 100 to 2 or 3.
Then XA and OCO came out.
The last ones were turned into exits, as the original set had been.
We lost a few functions, but the company has been mod-free since
the mid-1980's.
In the 1960's-1970's, there were system programmers that marketted
themselves on the ability to modify MFT/MVT code.
I thing, since the 1980's, there are very few shops with mods (I
hope!).
The last effective set was the Melon Bank mods.
THRUPUT Mangler has taken care of most of that, if not all, by exits.
While I agree with you (a little) on OEM packages. I would never buy
any package that messed around with front ending any IBM code. I
won't bore you with stories suffice it to say we had major issues
with a couple of vendors (grant you we had one vendor that really got
its hands dirty but they never caused an outage of any kind.
One vendor we tried to de-install and it wouldn't I finally had to
restore the respack to the point before they were installed. That was
a 3 hour outage that hurt us dearly. I will not name the vendor so
don't ask. I learned the hard way on that vendor.
Ed
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