April 13 was a Saturday. Did you apply any maintenance that weekend?

Kees

> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
> Behalf Of Jesse 1 Robinson
> Sent: 02 May, 2019 1:52
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Crazy concatenation mystery
> 
> This is almost nutty enough to be a weekend post, but it's a live
> production environment, so here goes. We have a prod job (batch Db2) that
> has run daily for years. Suddenly on 14 April it started abending with
> this message from Fault Analyzer:
> 
> IEW2541S 471A MEMBER CUA625 IDENTIFIED BY DDNAME JOBLIB WITH CONCATENATION
>          NUMBER  1 CONTAINS A BLOCK OF SIZE  32760 WHICH IS LONGER THAN
> THE
>          DATA SET BLKSIZE.
> IDI0010E IEWBIND error INCLUDE  CUA625   rc=83000507
> IDI0002I Module CUA625, program CUA625, offset X'7712': Abend U3003
> 
> So this is all absolutely true. The module *is* 32760 while the PDS *is*
> 19069-the ancient 3350 track size that was fairly standard for load
> libraries in the Dark Ages. So what's the mystery? How on earth did the 13
> April and *all previous* runs work OK? We cannot find any evidence of a
> change. No IPL that weekend let alone z/OS maintenance. The link edit date
> on the fat module is years old. We restored an older version of the skinny
> PDS from HSM. No differences. The DASD upgrade I posted about earlier came
> two weeks later.
> 
> It should have failed eons ago. This JOBLIB concatenation has other
> problems as well that are not obviously related. We know how to fix the
> errors but we're stumped for an explanation of how we got here. [Sound of
> heads shaking in unison.]
> 
> .
> .
> J.O.Skip Robinson
> Southern California Edison Company
> Electric Dragon Team Paddler
> SHARE MVS Program Co-Manager
> 323-715-0595 Mobile
> 626-543-6132 Office <===== NEW
> robin...@sce.com<mailto:robin...@sce.com>
> 
> 
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