Mark,
As a experienced Sysprog and vendor haven't seen much of unwanted APF changes, 
seen a lot of lack of RACF, Sysprog, design, troubleshooting issues, too 
numerous to go into.

Scott ford
www.identityforge.com
from my IPAD

'Infinite wisdom through infinite means'


> On Nov 11, 2013, at 1:17 PM, Mark Zelden <[email protected]> wrote:
> 
>> On Mon, 11 Nov 2013 09:27:01 -0800, Jon Perryman <[email protected]> 
>> wrote:
>> 
>> Dynamic APF exists for sysprog test system and emergency situations. 
> 
> <snip>
> 
> Valid, but I would argue that the *main* reason dynamic APF (and dynamic 
> "anything" 
> related to parmlib type updates) exists is "IPL avoidance" / 24 x 7 
> operations.   Many
> shops still limit APF and LNKLST changes to (mostly) IPLs (including clients 
> of
> mine), but that is a throw back to days of old.   The only disadvantage of 
> doing
> these changes dynamically all the time is that eventually you will IPL and 
> without
> good change control, changes could get regressed or errors in syntax etc.
> at IPL time may be found.   
> 
> Mark
> --
> Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS  
> mailto:[email protected]     
> ITIL v3 Foundation Certified                                     
> Mark's MVS Utilities: http://www.mzelden.com/mvsutil.html 
> Systems Programming expert at http://search390.techtarget.com/ateExperts/
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