On Fri, May 31, 2013 at 3:34 PM, Skip Robinson <[email protected]>wrote:

> I've never been in a shop where programs were (re)compiled into
> production. Once a program is compiled and tested, it's copied into
> production.
>
> Whatever risk might be incurred by moving a program into a down-level
> environment, the risk of recompiling is surely greater. Now if there's a
> problem, it's a nightmare to sort out change in environment from change in
> compiled module, which could be caused by any number of manual slip-ups.
> LE is very good at downward compatibility. I'll trust that over procedural
> vagaries any day.
>
>
Agreed ...
Recompiling into production would require a complete regression test to
ensure that the code still works as it did in the testing and certification
environments.   This will be an impossible task to accomplish as by
definition the code is in production and the required tests cannot be run
without impacting production balances, values, etc.

There are also compliance and regulatory issues which require extensive
documentation to show what is running in production is what was tested.


.

> .
> .
> JO.Skip Robinson
> Southern California Edison Company
> Electric Dragon Team Paddler
> SHARE MVS Program Co-Manager
> 626-302-7535 Office
> 323-715-0595 Mobile
> [email protected]
>
>
>
> From:   Lizette Koehler <[email protected]>
> To:     [email protected],
> Date:   05/31/2013 02:40 PM
> Subject:        Re: To recompile or not recompile, that's the question
> Sent by:        IBM Mainframe Discussion List <[email protected]>
>
>
>
> Changeman does compiles during Testing and Acceptance.  Once the package
> is
> released to production, it typically will do copies.  It does not usually
> do
> ReCompiles to move to a production environment.
>
> Lizette
>
>
> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[email protected]] On
> Behalf Of Shmuel Metz (Seymour J.)
> Sent: Friday, May 31, 2013 12:40 PM
> To: [email protected]
> Subject: Re: To recompile or not recompile, that's the question
>
> In
> <CAMP5vN8r92rb3ar6OR7Zw--7=rgqbvrbosue76iqc6e+yrq...@mail.gmail.com>,
> on 05/31/2013
>    at 04:11 PM, Jan Vanbrabant <[email protected]> said:
>
> >The customer is considering now to use Serena s ChangeMan/ZMF to manage
> >the application sources and load modules.  That  tool does not really
> >support re-compile.
>
> Ouch!
>
> >Please, your thoughts!
>
> Not being able to recompile is a ticking time bomb.
>
>
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