Re: Programs before v1r3?

[Charles Wilt <charles.wilt@xxxxxxxxx>]

observability is a concern for allowing a program to be re-created...

you can't re-create a pre v5r1 program without observability.

Since programs were recreated at v3r6? (CISC-->RISC) and again at v6.1...

You shouldn't have a program without a validation value.

As Mark said (and I implied)...that section of the docs is way out of date
;)

Charles

On Wed, Mar 15, 2017 at 8:39 AM, Justin Taylor <JUSTIN@xxxxxxxxxxxxx> wrote:

> 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
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