Some posts to BPCS_L get no significant replies.
Some get good stuff ... thanks ... lots of good ideas here.

I also checked BPCS_L archives on INV900 and ITH such as
http://archive.midrange.com/bpcs-l/200203/msg00008.html
finding references to the 99,999 problem (ceiling on # history records on one item), and lots of other stuff, most of which I had known already, but it had fallen out of my brain until I was reminded by these posts


I found in our system parameters file the record LASTCLOS
it contains

File Key LASTCLOS



Record ID LC
Data - First 20 2008082820031231

I interpret this as being last end year 2003-12-31 and last end month 2008-08-28
as if instead of keying in for the date
082804
I had keyed in
082808


I think I have found my smoking gun
and BPCS_L was a big help this time.

While looking at the SSARUN03 documentation, the source code, and GO CMDREF
I got at a list of files that INV900 messes with, and I checked # records there.
They are all consistent with what I would expect to be there, except for ITH of course


I still not know if there is any problem with the data in those other files.
there are only so many things I can check before I run out of daily wake time.

Using SQL I got a count of how many records in ITH do not have a match to IIM ... history on items that have been deleted = 144,149

I have some stuff I put on automatic some time ago, to help me monitor file sizes as needed.
This info pretty much confirms for me that going into Monday transactions
THE ONLY records in ITH were those on the deleted IIM items


Currently I am thinking in terms of ignoring that problem, during this repair effort.
I have to get the ITH restored from Fri 8/27 backup
I have to get that combined with the ITH that is now on the system.
The history on the deleted records will be doubled up, but dealing with that is for another day when I will write some SQL to remove ITH records that do not have a match to IIM
and I suspect in that case the sequence numbers won't make a bit of difference


I am hoping our BPCS tech support has already written a program to fix ITH vs. IIM sequence numbering, because this problem cannot possibly be unique to us. Yes I could write it, but for me to research what is needed, how test it, etc. there are times it makes more sense to get help, and my boss has authorized me to call tech support for help with this problem.

I normally work nites, sleep days, but tonite I am going to try to break off early (like not much later than midnite), taking a break from all the other stuff I want to check out, get to sleep early, set my alarm, so I can be awake to call our tech support Wednesday during normal business hours.

My boss changes from time to time, and we operate with the rules imposed by the prior bosses, until some reason to review what we are doing and why.

2 bosses ago, decision was made to stop saving the ITH records that get wiped out by INV900 purge, so the last date in YTH is from 2003-01-31 EOM.
It was never explained to me WHY this decision was made
I suspect it might be related to all the problems we were having back then with bad tape media, and the fact that the IBM tape drive died 2 days before an EOM, and we had to get IBM service to replace the tape drive.


My feeling based on this latest episode is that we would probably be better off going back to the old way, any time we are not having that kind of tape problem, which we have not had in years.

However, what are the odds of using the rope to hang ourselves, and where are all the places that can go wrong, perhaps other safety measures more prudent. There are a ton of end-month steps, all controlled by what we key into the date field ... how are we to know if any one of them done wrong, and what damage from that. I think my focus needs to be on blocking that risk, not on reacting to latest mess.

We also had a problem several years ago with our UPS going flakey, bringing the 400 down faster than OS/400 could make proper logs, and causing some BPCS files to get corrupted in BPCS terms (the data was there but BPCS acted like the file was empty) ... that episode taught us that if a 400 file is corrupted, backup/400 won't work on that file ... I have now run enough backup/400 after problem discovered to verify that this is not a case of corrupted files.

In addition to what I said earlier, I also think smart to make sure inventory posts to GL caught up before I messing with this file.

-
Al Macintyre http://www.ryze.com/go/Al9Mac
Find BPCS Documentation Suppliers http://radio.weblogs.com/0107846/stories/2002/11/08/bpcsDocSources.html
BPCS/400 Computer Janitor at http://www.globalwiretechnologies.com/



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