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I'm not sure if observability is the concern here. Here's a snippet from the security reference:

4. If you have any programs that were created before Version 1 Release 3, use the CHGPGM command
with the FRCCRT parameter to create validation values for those programs. At security level 40, the
system translates any program that is restored without a validation value. This can add considerable
time to the restore process. See the topic "Validation of programs being restored" on page 17 for more
information about program validation.



-----Original Message-----
From: Rob Berendt [mailto:rob@xxxxxxxxx]
Sent: Wednesday, March 15, 2017 8:23 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Re: Programs before v1r3?

Let's keep in mind that certain programs can be really old, like from V2R2 and still pass things from ANZOBJCVN and not need recompiling at newer releases. As long as no one has removed "observability". The system can then do it's magic on it and make it work on the latest OS. People used to remove observability to keep the object size smaller or to make it harder to reverse engineer and that genre. So these would not need to be recompiled, recreated or anything like that.

If a program was created at V5R4 or higher (maybe even V5R3) it still would retain enough information to be 'convertible' even if you did remove observability.


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600 Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com



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