<<is there any good reason to use a file in production with
That's like playing Russian Roulette, except there's 3 rounds in the
cylinder instead of one.
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of James Rich
Sent: Friday, September 04, 2009 3:45 PM
Subject: Running with LVLCHK *NO in production
A customer just had a big emergency today. They ran a program that had
been run in many years and it completely ruined their part master file. I
investigated and found that the program had last been compiled in May 1998
and the part master file was last created in June 1998 with LVLCHK(*NO).
Of course, the file layout had clearly changed and when the program ran it
happily destroyed every record in the part master file.
My question is: is there any good reason to use a file in production with
LVLCHK(*NO)? If a level check had happened, this whole fiasco would have
been avoided. I didn't write the software (happily) and I can't think of
any reason why they would have built this file with LVLCHK(*NO).
if you want to understand why that is, there are many good books on
the design of operating systems. please pass them along to redmond
when you're done reading them :)
- Paul Davis on ardour-dev
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