> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Thompson, Steve (SCI
TW)
>
> [ snip ]
>
> Just to be sure that you have checked all the environmental things:
>
> Look at the CICS where it runs correctly and then look at the
> others. If the libraries are different (PDS v. PDSE),
> different libraries contact in front of the ISV software,
> etc., then you may have found your problem.
>
> Also, check the LE levels and maint between the systems
> (although it doesn't seem that this is it since you indicate
> two CICS, one that works and one that doesn't on the same
> processor -- although they could be in different LPARs...).
>
> [Sometimes it really helps to actually be on the scene so as
> to not ask dumb questions.]
Hmmm.... If I were not so engrossed in deciding how best to attack this
problem, I might have furnished the following information without
requiring the asking of "dumb questions". So:
The "dual z9" environment, at this instant in history, is our "new
datacenter" on which we have started the test/migration clock by
restoring a D/R image of our current "production" sysplex. The current
"production" sysplex is running on a pair of Amdahl Millennium boxes (a
700 series and a 2000 series). The ISV application runs correctly in
all three CICSes on both Amdahls. The D/R image was taken at a
sysplex-wide logical syncpoint, when ALL processing was stopped for the
duration of the full-volume backups. Everything was restored at the z9
datacenter except the IOCDS, page datasets and the couple and CFRM
datasets.
Except as just noted, ALL of the software is identical across both
sysplex images. The only "known" changes are the hardware, ALL of which
is new in the "dual-z9" datacenter, and the IP addresses and hostnames
of the z9s. The CICSes having the "wild branch" episodes on the z9s are
totally unaware of TCP/IP (indeed, those CICSes do no external
communication at all, other than "green-screen" terminal interactions).
-jc-
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