On Wed, 6 Aug 2008 23:16:18 -0500, Brian Westerman
<[EMAIL PROTECTED]> wrote:

>I feel like a broken record on this topic every few months.  Try to remember
>that just because IBM doesn't consider it "supported" does not have the same
>meaning as "won't work", because it will work fine.  There are several beta
>sites including a vendor site which I am intimate with which have no
>problems with that update in both coexistence and conversion.  It's not
>really going to be a big issue for you, sysplex or not, so long as you are
>careful, things will work out just fine.
>

Coexistence?  Are they running a z/OS 1.7 and z/OS 1.10 JES2 in the 
same MAS (I thought IBM hard coded release checks these days for
JES2)? Are they running a parallel sysplex?  How "blue" are their
software portfolios?    

Vendor / small shop is one thing.  I wouldn't want to do it in a large(r) shop
using sysplex running critical apps even if I could.  I'd rather run
unsupported 
releases within the documented supported coexistence levels.  

When I consulted full time,  I also did migrations outside of the coexistence / 
fallback levels for monoplex environments, but have never recommended 
to do it for any environments that were in a basic or parallel sysplex.  If 
there was a problem after doing so, I wouldn't want that liability.

Mark
--
Mark Zelden
Sr. Software and Systems Architect - z/OS Team Lead
Zurich North America / Farmers Insurance Group - ZFUS G-ITO
mailto:[EMAIL PROTECTED]
z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/
Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html

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