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No, I couldn't say it was INV500. But I could pretty safely say it was
a program where the file was internally described, and so it would
probably NOT be a BPCS program. I could then do a DSPPGMREF to find the
programs that use the file and go from there.
(NOTE: I suppose technically these days it could be someone writing to a
file from a data structure to an externally described file. Not sure if
an uninitialized data structure would write garbage in that case.)
It depends on your circumstances, I guess. Via DSPPGMREF I know which
programs update which files. I also have journaling. Between those
two, it's relatively simple to determine which programs are the likely
suspects. YMMV, but for me having what is in effect a warning message
would be perfect - the system would continue to act as it had in the
past, but would alert me to the problem so that I could find the issue.
Perfect!
Joe
True, determining which files have bad data is a huge undertaking. However
once you identify the file that is corrupt determining where it got
corrupted isn't quite so simple. For example, let's say your IIM file in
BPCS had bad data. Can you then safely say "then it must be program
INV500"?
See my previous comments in this thread about tools to see where a file
gets updated.
Rob Berendt
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